[INFO] fetching crate n0-snafu 0.2.3...
[INFO] testing n0-snafu-0.2.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate n0-snafu 0.2.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate n0-snafu 0.2.3
[INFO] finished tweaking crates.io crate n0-snafu 0.2.3
[INFO] tweaked toml for crates.io crate n0-snafu 0.2.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate n0-snafu 0.2.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n0-snafu 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-error v0.2.1
[INFO] [stderr]   Downloaded btparse v0.2.0
[INFO] [stderr]   Downloaded color-backtrace v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c417cabd8a2f515ca150cd9bd89ac32460cf693b157b8e5deeb498e1af9c4f4d
[INFO] running `Command { std: "docker" "start" "-a" "c417cabd8a2f515ca150cd9bd89ac32460cf693b157b8e5deeb498e1af9c4f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c417cabd8a2f515ca150cd9bd89ac32460cf693b157b8e5deeb498e1af9c4f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c417cabd8a2f515ca150cd9bd89ac32460cf693b157b8e5deeb498e1af9c4f4d", kill_on_drop: false }`
[INFO] [stdout] c417cabd8a2f515ca150cd9bd89ac32460cf693b157b8e5deeb498e1af9c4f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3db02c908126855f391229657c7fa32017022d1cfe7a26c8b164566ad3dedd7
[INFO] running `Command { std: "docker" "start" "-a" "c3db02c908126855f391229657c7fa32017022d1cfe7a26c8b164566ad3dedd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling btparse v0.2.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling color-backtrace v0.7.1
[INFO] [stderr]    Compiling snafu v0.8.9
[INFO] [stderr]    Compiling n0-snafu v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "c3db02c908126855f391229657c7fa32017022d1cfe7a26c8b164566ad3dedd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3db02c908126855f391229657c7fa32017022d1cfe7a26c8b164566ad3dedd7", kill_on_drop: false }`
[INFO] [stdout] c3db02c908126855f391229657c7fa32017022d1cfe7a26c8b164566ad3dedd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac0a7d1016cba9fb1375b3e2cfa515a560f959c387b10534ea7189552fcc4c3
[INFO] running `Command { std: "docker" "start" "-a" "eac0a7d1016cba9fb1375b3e2cfa515a560f959c387b10534ea7189552fcc4c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling n0-snafu v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "eac0a7d1016cba9fb1375b3e2cfa515a560f959c387b10534ea7189552fcc4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac0a7d1016cba9fb1375b3e2cfa515a560f959c387b10534ea7189552fcc4c3", kill_on_drop: false }`
[INFO] [stdout] eac0a7d1016cba9fb1375b3e2cfa515a560f959c387b10534ea7189552fcc4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09766fde7187ee13c3822bacaa29fc30087e11dc4ffa2615cba416a2f5659deb
[INFO] running `Command { std: "docker" "start" "-a" "09766fde7187ee13c3822bacaa29fc30087e11dc4ffa2615cba416a2f5659deb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n0_snafu-cbb751be8c3929f1)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test error::tests::test_context_none ... ok
[INFO] [stdout] test error::tests::test_anyhow_compat ... ok
[INFO] [stdout] test error::tests::test_message ... ok
[INFO] [stdout] test error::tests::test_io_err ... ok
[INFO] [stdout] test error::tests::test_option ... ok
[INFO] [stdout] test error::tests::test_sources ... ok
[INFO] [stdout] test error::tests::test_whatever ... ok
[INFO] [stdout] test error::tests::test_format_err ... ok
[INFO] [stderr]    Doc-tests n0_snafu
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[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" "09766fde7187ee13c3822bacaa29fc30087e11dc4ffa2615cba416a2f5659deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09766fde7187ee13c3822bacaa29fc30087e11dc4ffa2615cba416a2f5659deb", kill_on_drop: false }`
[INFO] [stdout] 09766fde7187ee13c3822bacaa29fc30087e11dc4ffa2615cba416a2f5659deb