[INFO] fetching crate core-error 0.0.1-rc4...
[INFO] testing core-error-0.0.1-rc4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate core-error 0.0.1-rc4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate core-error 0.0.1-rc4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core-error 0.0.1-rc4
[INFO] finished tweaking crates.io crate core-error 0.0.1-rc4
[INFO] tweaked toml for crates.io crate core-error 0.0.1-rc4 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7e645e59cbd4380404368dde9c35053a44217d9bb977961a983ceb7a0a2dc99
[INFO] running `Command { std: "docker" "start" "-a" "c7e645e59cbd4380404368dde9c35053a44217d9bb977961a983ceb7a0a2dc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7e645e59cbd4380404368dde9c35053a44217d9bb977961a983ceb7a0a2dc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e645e59cbd4380404368dde9c35053a44217d9bb977961a983ceb7a0a2dc99", kill_on_drop: false }`
[INFO] [stdout] c7e645e59cbd4380404368dde9c35053a44217d9bb977961a983ceb7a0a2dc99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b32c188260792ec36c5a7a173f267efbeb3dc16ddb073ef08563a0bb771012b5
[INFO] running `Command { std: "docker" "start" "-a" "b32c188260792ec36c5a7a173f267efbeb3dc16ddb073ef08563a0bb771012b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-error v0.0.1-rc4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/error_trait.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     #[cfg(rustc_1_28_0)]  ::core::alloc::LayoutErr,
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "b32c188260792ec36c5a7a173f267efbeb3dc16ddb073ef08563a0bb771012b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32c188260792ec36c5a7a173f267efbeb3dc16ddb073ef08563a0bb771012b5", kill_on_drop: false }`
[INFO] [stdout] b32c188260792ec36c5a7a173f267efbeb3dc16ddb073ef08563a0bb771012b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de746022a5384b7391f80f82f68032870251483d8cf93944832139292df15055
[INFO] running `Command { std: "docker" "start" "-a" "de746022a5384b7391f80f82f68032870251483d8cf93944832139292df15055", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/error_trait.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     #[cfg(rustc_1_28_0)]  ::core::alloc::LayoutErr,
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling core-error v0.0.1-rc4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/error_trait.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     #[cfg(rustc_1_28_0)]  ::core::alloc::LayoutErr,
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/core_error-4f60cf4c21692921)
[INFO] running `Command { std: "docker" "inspect" "de746022a5384b7391f80f82f68032870251483d8cf93944832139292df15055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de746022a5384b7391f80f82f68032870251483d8cf93944832139292df15055", kill_on_drop: false }`
[INFO] [stdout] de746022a5384b7391f80f82f68032870251483d8cf93944832139292df15055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c165d9abdab50311dc4a91e5004eb6880d0600908d81c04ffa77cb734bc67ce7
[INFO] running `Command { std: "docker" "start" "-a" "c165d9abdab50311dc4a91e5004eb6880d0600908d81c04ffa77cb734bc67ce7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stderr]    --> src/error_trait.rs:180:42
[INFO] [stderr]     |
[INFO] [stderr] 180 |     #[cfg(rustc_1_28_0)]  ::core::alloc::LayoutErr,
[INFO] [stderr]     |                                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `core-error` (lib) generated 1 warning
[INFO] [stderr] warning: `core-error` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/core_error-4f60cf4c21692921)
[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 core-error
[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" "c165d9abdab50311dc4a91e5004eb6880d0600908d81c04ffa77cb734bc67ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c165d9abdab50311dc4a91e5004eb6880d0600908d81c04ffa77cb734bc67ce7", kill_on_drop: false }`
[INFO] [stdout] c165d9abdab50311dc4a91e5004eb6880d0600908d81c04ffa77cb734bc67ce7