[INFO] fetching crate preftool-app-config 0.2.0...
[INFO] testing preftool-app-config-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate preftool-app-config 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate preftool-app-config 0.2.0 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 preftool-app-config 0.2.0
[INFO] finished tweaking crates.io crate preftool-app-config 0.2.0
[INFO] tweaked toml for crates.io crate preftool-app-config 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded slog-kvfilter v0.7.0
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded sloggers v0.3.6
[INFO] [stderr]   Downloaded preftool-clap-derive v0.2.0
[INFO] [stderr]   Downloaded preftool-env v0.2.0
[INFO] [stderr]   Downloaded preftool-toml v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 19745c20a2997090dbf8e4767e122976780b3897b64f4f1361905b15f34a488d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19745c20a2997090dbf8e4767e122976780b3897b64f4f1361905b15f34a488d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19745c20a2997090dbf8e4767e122976780b3897b64f4f1361905b15f34a488d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19745c20a2997090dbf8e4767e122976780b3897b64f4f1361905b15f34a488d", kill_on_drop: false }`
[INFO] [stdout] 19745c20a2997090dbf8e4767e122976780b3897b64f4f1361905b15f34a488d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f7ead98a1adf0899c84f7562ad3950a9834aa4ba618ac05b4ffb4c176cbaba92
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7ead98a1adf0899c84f7562ad3950a9834aa4ba618ac05b4ffb4c176cbaba92", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling arc-swap v1.3.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling dirs-sys v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling preftool v0.2.0
[INFO] [stderr]    Compiling preftool-dirs v0.2.0
[INFO] [stderr]    Compiling preftool-clap v0.2.0
[INFO] [stderr]    Compiling preftool-env v0.2.0
[INFO] [stderr]    Compiling preftool-file v0.2.0
[INFO] [stderr]    Compiling preftool-toml v0.2.0
[INFO] [stderr]    Compiling preftool-app-config v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |   type Iter = Box<Iterator<Item = ConfigPath> + 'static>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = ConfigPath> + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.17s
[INFO] running `Command { std: "docker" "inspect" "f7ead98a1adf0899c84f7562ad3950a9834aa4ba618ac05b4ffb4c176cbaba92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ead98a1adf0899c84f7562ad3950a9834aa4ba618ac05b4ffb4c176cbaba92", kill_on_drop: false }`
[INFO] [stdout] f7ead98a1adf0899c84f7562ad3950a9834aa4ba618ac05b4ffb4c176cbaba92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 20c7073dad0528d0a94d2d45a31578e8f9772b225fc19698da8353dc8a7d739a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20c7073dad0528d0a94d2d45a31578e8f9772b225fc19698da8353dc8a7d739a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling slog-kvfilter v0.7.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |   type Iter = Box<Iterator<Item = ConfigPath> + 'static>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = ConfigPath> + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling preftool-clap-derive v0.2.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling slog-term v2.8.0
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling sloggers v0.3.6
[INFO] [stderr]    Compiling preftool-app-config v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |   type Iter = Box<Iterator<Item = ConfigPath> + 'static>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = ConfigPath> + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `preftool_clap`
[INFO] [stdout]  --> examples/simple/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use preftool_clap::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `host`
[INFO] [stdout]   --> examples/simple/main.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   host: String,
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> examples/simple/main.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   port: usize,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cert`
[INFO] [stdout]   --> examples/simple/main.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   cert: Option<String>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.81s
[INFO] running `Command { std: "docker" "inspect" "20c7073dad0528d0a94d2d45a31578e8f9772b225fc19698da8353dc8a7d739a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c7073dad0528d0a94d2d45a31578e8f9772b225fc19698da8353dc8a7d739a", kill_on_drop: false }`
[INFO] [stdout] 20c7073dad0528d0a94d2d45a31578e8f9772b225fc19698da8353dc8a7d739a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 832bcba783626f2d8a9ff1111a03d3f3329806cdea4e6a5158c2b303b9a66a63
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "832bcba783626f2d8a9ff1111a03d3f3329806cdea4e6a5158c2b303b9a66a63", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:151:19
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 151 |   type Iter = Box<Iterator<Item = ConfigPath> + 'static>;
[INFO] [stdout] 
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = ConfigPath> + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `preftool-app-config` (lib) generated 1 warning
[INFO] [stderr] warning: `preftool-app-config` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused import: `preftool_clap`
[INFO] [stderr]  --> examples/simple/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use preftool_clap::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `host`
[INFO] [stderr]   --> examples/simple/main.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   host: String,
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `port`
[INFO] [stderr]   --> examples/simple/main.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   port: usize,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cert`
[INFO] [stderr]   --> examples/simple/main.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 |   cert: Option<String>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `preftool-app-config` (example "simple") generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/preftool_app_config-650d2bf975468f2d)
[INFO] [stderr]    Doc-tests preftool-app-config
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "832bcba783626f2d8a9ff1111a03d3f3329806cdea4e6a5158c2b303b9a66a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832bcba783626f2d8a9ff1111a03d3f3329806cdea4e6a5158c2b303b9a66a63", kill_on_drop: false }`
[INFO] [stdout] 832bcba783626f2d8a9ff1111a03d3f3329806cdea4e6a5158c2b303b9a66a63
