[INFO] fetching crate preftool 0.2.0...
[INFO] testing preftool-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate preftool 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate preftool 0.2.0
[INFO] finished tweaking crates.io crate preftool 0.2.0
[INFO] tweaked toml for crates.io crate preftool 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate preftool 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding slog-stdlog v3.0.5 (available: v4.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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 cargo-husky v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c636dc742ca7c2b7d937d3d35cacfcddc8ec087306916830eef5e5c74852d0b3
[INFO] running `Command { std: "docker" "start" "-a" "c636dc742ca7c2b7d937d3d35cacfcddc8ec087306916830eef5e5c74852d0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c636dc742ca7c2b7d937d3d35cacfcddc8ec087306916830eef5e5c74852d0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c636dc742ca7c2b7d937d3d35cacfcddc8ec087306916830eef5e5c74852d0b3", kill_on_drop: false }`
[INFO] [stdout] c636dc742ca7c2b7d937d3d35cacfcddc8ec087306916830eef5e5c74852d0b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3097e2a3b80df64029604967a6bb67c8ff9e4fa62627e7b67600f69680a63805
[INFO] running `Command { std: "docker" "start" "-a" "3097e2a3b80df64029604967a6bb67c8ff9e4fa62627e7b67600f69680a63805", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling caseless v0.2.2
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling preftool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/bind.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / error_chain! {
[INFO] [stdout] 24 | |   errors {
[INFO] [stdout] 25 | |     ValidationFailed(field: String, msg: String) {
[INFO] [stdout] 26 | |       description("validation failed")
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/bind.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     std::mem::replace(value, proxy.into());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let _ = std::mem::replace(value, proxy.into());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "3097e2a3b80df64029604967a6bb67c8ff9e4fa62627e7b67600f69680a63805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3097e2a3b80df64029604967a6bb67c8ff9e4fa62627e7b67600f69680a63805", kill_on_drop: false }`
[INFO] [stdout] 3097e2a3b80df64029604967a6bb67c8ff9e4fa62627e7b67600f69680a63805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b94d2d1b47e1ed88ac37121fa31d67ad037156ccf789678567a90fdf0fab182
[INFO] running `Command { std: "docker" "start" "-a" "0b94d2d1b47e1ed88ac37121fa31d67ad037156ccf789678567a90fdf0fab182", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/bind.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / error_chain! {
[INFO] [stdout] 24 | |   errors {
[INFO] [stdout] 25 | |     ValidationFailed(field: String, msg: String) {
[INFO] [stdout] 26 | |       description("validation failed")
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/bind.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     std::mem::replace(value, proxy.into());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let _ = std::mem::replace(value, proxy.into());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling preftool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/bind.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / error_chain! {
[INFO] [stdout] 24 | |   errors {
[INFO] [stdout] 25 | |     ValidationFailed(field: String, msg: String) {
[INFO] [stdout] 26 | |       description("validation failed")
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/bind.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     std::mem::replace(value, proxy.into());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let _ = std::mem::replace(value, proxy.into());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "0b94d2d1b47e1ed88ac37121fa31d67ad037156ccf789678567a90fdf0fab182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b94d2d1b47e1ed88ac37121fa31d67ad037156ccf789678567a90fdf0fab182", kill_on_drop: false }`
[INFO] [stdout] 0b94d2d1b47e1ed88ac37121fa31d67ad037156ccf789678567a90fdf0fab182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4024739c78065829f96a5c41da323cb7ee68970d347291c772bd5bcc29ee7ce
[INFO] running `Command { std: "docker" "start" "-a" "b4024739c78065829f96a5c41da323cb7ee68970d347291c772bd5bcc29ee7ce", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stderr]   --> src/bind.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / error_chain! {
[INFO] [stderr] 24 | |   errors {
[INFO] [stderr] 25 | |     ValidationFailed(field: String, msg: String) {
[INFO] [stderr] 26 | |       description("validation failed")
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stderr]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stderr]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/bind.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     std::mem::replace(value, proxy.into());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let _ = std::mem::replace(value, proxy.into());
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `preftool` (lib) generated 2 warnings
[INFO] [stderr] warning: `preftool` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/preftool-04b070531f000c01)
[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] [stderr]    Doc-tests preftool
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::combine (line 97) ... ok
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::section_key (line 44) ... ok
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::parent (line 70) ... ok
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::unsafe_from (line 166) ... ok
[INFO] [stdout] test src/strings.rs - strings::ConfigKey::join (line 125) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4024739c78065829f96a5c41da323cb7ee68970d347291c772bd5bcc29ee7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4024739c78065829f96a5c41da323cb7ee68970d347291c772bd5bcc29ee7ce", kill_on_drop: false }`
[INFO] [stdout] b4024739c78065829f96a5c41da323cb7ee68970d347291c772bd5bcc29ee7ce
