[INFO] fetching crate log4rs 1.0.0...
[INFO] testing log4rs-1.0.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate log4rs 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate log4rs 1.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log4rs 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate log4rs 1.0.0
[INFO] tweaked toml for crates.io crate log4rs 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate log4rs 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded streaming-stats v0.2.3
[INFO] [stderr]   Downloaded ordered-float v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cff59baf28c2cf02ffbf194fcbb567651ff2fa968f98ae908939eb1d3591bb9
[INFO] running `Command { std: "docker" "start" "-a" "3cff59baf28c2cf02ffbf194fcbb567651ff2fa968f98ae908939eb1d3591bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cff59baf28c2cf02ffbf194fcbb567651ff2fa968f98ae908939eb1d3591bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cff59baf28c2cf02ffbf194fcbb567651ff2fa968f98ae908939eb1d3591bb9", kill_on_drop: false }`
[INFO] [stdout] 3cff59baf28c2cf02ffbf194fcbb567651ff2fa968f98ae908939eb1d3591bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1221603f89a8121bb66bfe8775eaca08223961966fec2e22d333d7227fccf769
[INFO] running `Command { std: "docker" "start" "-a" "1221603f89a8121bb66bfe8775eaca08223961966fec2e22d333d7227fccf769", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling ordered-float v2.0.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling log4rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/console.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 33 | #[derive(Debug, serde::Deserialize)]
[INFO] [stdout]    |                 ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/file.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 27 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/roll/delete.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 14 | #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                            ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/roll/fixed_window.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 22 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/trigger/size.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 18 | #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                            ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/mod.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 24 | #[derive(Clone, Eq, PartialEq, Hash, Debug, serde::Deserialize)]
[INFO] [stdout]    |                                             ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/mod.rs:47:3
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 48 | #[derive(Clone, Eq, PartialEq, Hash, Debug, serde::Deserialize)]
[INFO] [stdout]    |                                             ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/config/raw.rs:308:3
[INFO] [stdout]     |
[INFO] [stdout] 308 | #[serde(deny_unknown_fields)]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 309 | #[derive(Clone, Debug, Default, serde::Deserialize)]
[INFO] [stdout]     |                                 ------------------ the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/encode/pattern/mod.rs:139:3
[INFO] [stdout]     |
[INFO] [stdout] 139 | #[serde(deny_unknown_fields)]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 140 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]     |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.71s
[INFO] running `Command { std: "docker" "inspect" "1221603f89a8121bb66bfe8775eaca08223961966fec2e22d333d7227fccf769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1221603f89a8121bb66bfe8775eaca08223961966fec2e22d333d7227fccf769", kill_on_drop: false }`
[INFO] [stdout] 1221603f89a8121bb66bfe8775eaca08223961966fec2e22d333d7227fccf769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23853232b2fccdcc718729d8b13ebb5515d6adf277b04132df4292c5bc01f183
[INFO] running `Command { std: "docker" "start" "-a" "23853232b2fccdcc718729d8b13ebb5515d6adf277b04132df4292c5bc01f183", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling streaming-stats v0.2.3
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/console.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 33 | #[derive(Debug, serde::Deserialize)]
[INFO] [stdout]    |                 ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/file.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 27 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/roll/delete.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 14 | #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                            ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/roll/fixed_window.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 22 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/trigger/size.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 18 | #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                            ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/mod.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 24 | #[derive(Clone, Eq, PartialEq, Hash, Debug, serde::Deserialize)]
[INFO] [stdout]    |                                             ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/mod.rs:47:3
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 48 | #[derive(Clone, Eq, PartialEq, Hash, Debug, serde::Deserialize)]
[INFO] [stdout]    |                                             ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/config/raw.rs:308:3
[INFO] [stdout]     |
[INFO] [stdout] 308 | #[serde(deny_unknown_fields)]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 309 | #[derive(Clone, Debug, Default, serde::Deserialize)]
[INFO] [stdout]     |                                 ------------------ the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/encode/pattern/mod.rs:139:3
[INFO] [stdout]     |
[INFO] [stdout] 139 | #[serde(deny_unknown_fields)]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 140 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]     |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling log4rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/console.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 33 | #[derive(Debug, serde::Deserialize)]
[INFO] [stdout]    |                 ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/file.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 27 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/roll/delete.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 14 | #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                            ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/roll/fixed_window.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 22 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/trigger/size.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 18 | #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]    |                                                            ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/policy/compound/mod.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 24 | #[derive(Clone, Eq, PartialEq, Hash, Debug, serde::Deserialize)]
[INFO] [stdout]    |                                             ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/append/rolling_file/mod.rs:47:3
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[serde(deny_unknown_fields)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 48 | #[derive(Clone, Eq, PartialEq, Hash, Debug, serde::Deserialize)]
[INFO] [stdout]    |                                             ------------------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/config/raw.rs:308:3
[INFO] [stdout]     |
[INFO] [stdout] 308 | #[serde(deny_unknown_fields)]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 309 | #[derive(Clone, Debug, Default, serde::Deserialize)]
[INFO] [stdout]     |                                 ------------------ the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/encode/pattern/mod.rs:139:3
[INFO] [stdout]     |
[INFO] [stdout] 139 | #[serde(deny_unknown_fields)]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 140 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stdout]     |                                                      ------------------ the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "23853232b2fccdcc718729d8b13ebb5515d6adf277b04132df4292c5bc01f183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23853232b2fccdcc718729d8b13ebb5515d6adf277b04132df4292c5bc01f183", kill_on_drop: false }`
[INFO] [stdout] 23853232b2fccdcc718729d8b13ebb5515d6adf277b04132df4292c5bc01f183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5ad94bd1893c3095fb348f412392c75c730891c16892aed08f4fd17ab3c5e87
[INFO] running `Command { std: "docker" "start" "-a" "c5ad94bd1893c3095fb348f412392c75c730891c16892aed08f4fd17ab3c5e87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/append/console.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[serde(deny_unknown_fields)]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 33 | #[derive(Debug, serde::Deserialize)]
[INFO] [stderr]    |                 ------------------ the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/append/file.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[serde(deny_unknown_fields)]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 27 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stderr]    |                                                      ------------------ the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/append/rolling_file/policy/compound/roll/delete.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[serde(deny_unknown_fields)]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 14 | #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stderr]    |                                                            ------------------ the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/append/rolling_file/policy/compound/roll/fixed_window.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[serde(deny_unknown_fields)]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 22 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stderr]    |                                                      ------------------ the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/append/rolling_file/policy/compound/trigger/size.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[serde(deny_unknown_fields)]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 18 | #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stderr]    |                                                            ------------------ the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/append/rolling_file/policy/compound/mod.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[serde(deny_unknown_fields)]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 24 | #[derive(Clone, Eq, PartialEq, Hash, Debug, serde::Deserialize)]
[INFO] [stderr]    |                                             ------------------ the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]   --> src/append/rolling_file/mod.rs:47:3
[INFO] [stderr]    |
[INFO] [stderr] 47 | #[serde(deny_unknown_fields)]
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 48 | #[derive(Clone, Eq, PartialEq, Hash, Debug, serde::Deserialize)]
[INFO] [stderr]    |                                             ------------------ the attribute is introduced here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/config/raw.rs:308:3
[INFO] [stderr]     |
[INFO] [stderr] 308 | #[serde(deny_unknown_fields)]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr] 309 | #[derive(Clone, Debug, Default, serde::Deserialize)]
[INFO] [stderr]     |                                 ------------------ the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/encode/pattern/mod.rs:139:3
[INFO] [stderr]     |
[INFO] [stderr] 139 | #[serde(deny_unknown_fields)]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr] 140 | #[derive(Clone, Eq, PartialEq, Hash, Debug, Default, serde::Deserialize)]
[INFO] [stderr]     |                                                      ------------------ the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: `log4rs` (lib) generated 9 warnings
[INFO] [stderr] warning: `log4rs` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/log4rs-7a10276d871c88fb)
[INFO] [stdout] running 39 tests
[INFO] [stdout] test append::rolling_file::policy::compound::roll::fixed_window::test::supported_gzip ... ignored
[INFO] [stdout] test encode::pattern::tests::invalid_formatter ... ok
[INFO] [stdout] test encode::pattern::tests::left_align ... ok
[INFO] [stdout] test config::runtime::test::check_logger_name ... ok
[INFO] [stdout] test config::raw::test::empty ... ok
[INFO] [stdout] test encode::pattern::tests::custom_date_format ... ok
[INFO] [stdout] test encode::pattern::tests::default_okay ... ok
[INFO] [stdout] test encode::pattern::tests::escaped_chars ... ok
[INFO] [stdout] test encode::json::test::default ... ok
[INFO] [stdout] test append::rolling_file::policy::compound::roll::fixed_window::test::rotation ... ok
[INFO] [stdout] test encode::pattern::tests::left_align_formatter ... ok
[INFO] [stdout] test append::rolling_file::policy::compound::roll::fixed_window::test::unsupported_gzip ... ok
[INFO] [stdout] test append::rolling_file::policy::compound::roll::fixed_window::test::rotation_no_trivial_base ... ok
[INFO] [stdout] test encode::pattern::tests::log ... ok
[INFO] [stdout] test append::rolling_file::policy::compound::roll::fixed_window::test::create_archive_unvaried ... ok
[INFO] [stdout] test encode::pattern::tests::mdc ... ok
[INFO] [stdout] test encode::pattern::tests::mdc_missing_default ... ok
[INFO] [stdout] test encode::pattern::tests::process_id ... ok
[INFO] [stdout] test encode::pattern::tests::right_align ... ok
[INFO] [stdout] test encode::pattern::tests::timezones ... ok
[INFO] [stdout] test encode::pattern::tests::unclosed_delimiter ... ok
[INFO] [stdout] normal [0;31;44;1mstyled[0;32m styled2[0m normal
[INFO] [stdout] test encode::writer::ansi::test::basic ... ok
[INFO] [stdout] test encode::writer::console::test::basic ... ok
[INFO] [stdout] test test::enabled ... ok
[INFO] [stdout] test encode::pattern::tests::unescaped_parens ... ok
[INFO] [stdout] test encode::pattern::tests::quote_braces_with_backslash ... ok
[INFO] [stdout] test encode::pattern::tests::thread_id_field ... ok
[INFO] [stdout] test encode::pattern::tests::mdc_missing_custom ... ok
[INFO] [stdout] test append::rolling_file::policy::compound::roll::fixed_window::test::create_archive_varied ... ok
[INFO] [stdout] test encode::pattern::tests::unnamed_thread ... ok
[INFO] [stdout] test encode::pattern::tests::right_align_formatter ... ok
[INFO] [stdout] test config::raw::test::full_deserialize ... ok
[INFO] [stdout] test encode::pattern::tests::named_thread ... ok
[INFO] [stdout] test append::test::expand_env_vars_tests ... FAILED
[INFO] [stdout] test append::rolling_file::test::append ... ok
[INFO] [stdout] test append::file::test::append_false ... ok
[INFO] [stdout] test append::file::test::create_directories ... ok
[INFO] [stdout] test append::rolling_file::test::truncate ... ok
[INFO] [stdout] test append::rolling_file::test::deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- append::test::expand_env_vars_tests stdout ----
[INFO] [stdout] thread 'append::test::expand_env_vars_tests' panicked at 'called `Result::unwrap()` on an `Err` value: NotPresent', src/append/mod.rs:151:33
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55bcc8883d50 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55bcc8883d50 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55bcc8883d50 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55bcc8883d50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55bcc88a967c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55bcc88806c5 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55bcc888638b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55bcc888638b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55bcc888638b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55bcc8885e9c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55bcc8886a54 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55bcc8886537 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55bcc888422c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55bcc8886499 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55bcc84499b1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55bcc8449aa3 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55bcc84908ed - core::result::Result<T,E>::unwrap::ha8e19e91e8a3ca1f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x55bcc850373e - log4rs::append::test::expand_env_vars_tests::hd1145c52a88b9855
[INFO] [stdout]                                at /opt/rustwide/workdir/src/append/mod.rs:151:21
[INFO] [stdout]   18:     0x55bcc8502b8a - log4rs::append::test::expand_env_vars_tests::{{closure}}::h5b167c1da6b76773
[INFO] [stdout]                                at /opt/rustwide/workdir/src/append/mod.rs:117:5
[INFO] [stdout]   19:     0x55bcc84db2fe - core::ops::function::FnOnce::call_once::h8caa1fbf457124c8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55bcc8801183 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55bcc8801183 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55bcc87ffc38 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55bcc87ffc38 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55bcc87ffc38 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55bcc87ffc38 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55bcc87ffc38 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55bcc87ffc38 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55bcc87ffc38 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55bcc87ce3cd - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55bcc87ce3cd - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55bcc87d2b98 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55bcc87d2b98 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55bcc87d2b98 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55bcc87d2b98 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55bcc87d2b98 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55bcc87d2b98 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55bcc87d2b98 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55bcc888cd97 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55bcc888cd97 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55bcc888cd97 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7fead890f609 - start_thread
[INFO] [stdout]   42:     0x7fead86e7293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     append::test::expand_env_vars_tests
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 37 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "c5ad94bd1893c3095fb348f412392c75c730891c16892aed08f4fd17ab3c5e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ad94bd1893c3095fb348f412392c75c730891c16892aed08f4fd17ab3c5e87", kill_on_drop: false }`
[INFO] [stdout] c5ad94bd1893c3095fb348f412392c75c730891c16892aed08f4fd17ab3c5e87
