[INFO] fetching crate n0-snafu 0.2.3...
[INFO] testing n0-snafu-0.2.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate n0-snafu 0.2.3 into /workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate n0-snafu 0.2.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7312d6c86d5223f9a8019a3c8a9d921f8e3d8b855a9767e8ca87610c0bd01b8
[INFO] running `Command { std: "docker" "start" "-a" "d7312d6c86d5223f9a8019a3c8a9d921f8e3d8b855a9767e8ca87610c0bd01b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7312d6c86d5223f9a8019a3c8a9d921f8e3d8b855a9767e8ca87610c0bd01b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7312d6c86d5223f9a8019a3c8a9d921f8e3d8b855a9767e8ca87610c0bd01b8", kill_on_drop: false }`
[INFO] [stdout] d7312d6c86d5223f9a8019a3c8a9d921f8e3d8b855a9767e8ca87610c0bd01b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33b421f2ad8232ca8116622ed5f9768d9bf2d2c08e03e2b8e992b635e690eda5
[INFO] running `Command { std: "docker" "start" "-a" "33b421f2ad8232ca8116622ed5f9768d9bf2d2c08e03e2b8e992b635e690eda5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[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 anyhow v1.0.99
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling btparse v0.2.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling quote v1.0.40
[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 8.28s
[INFO] running `Command { std: "docker" "inspect" "33b421f2ad8232ca8116622ed5f9768d9bf2d2c08e03e2b8e992b635e690eda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b421f2ad8232ca8116622ed5f9768d9bf2d2c08e03e2b8e992b635e690eda5", kill_on_drop: false }`
[INFO] [stdout] 33b421f2ad8232ca8116622ed5f9768d9bf2d2c08e03e2b8e992b635e690eda5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e424a0e789e347b1a13038917b271e80c598bf9662e8b0bbc1ab7058c148e01
[INFO] running `Command { std: "docker" "start" "-a" "5e424a0e789e347b1a13038917b271e80c598bf9662e8b0bbc1ab7058c148e01", 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 0.54s
[INFO] running `Command { std: "docker" "inspect" "5e424a0e789e347b1a13038917b271e80c598bf9662e8b0bbc1ab7058c148e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e424a0e789e347b1a13038917b271e80c598bf9662e8b0bbc1ab7058c148e01", kill_on_drop: false }`
[INFO] [stdout] 5e424a0e789e347b1a13038917b271e80c598bf9662e8b0bbc1ab7058c148e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2b0e99cd3af1fd1f3588bae4d2003d4cf0f8eebc6cad68ef0669e1ac9dcb073
[INFO] running `Command { std: "docker" "start" "-a" "a2b0e99cd3af1fd1f3588bae4d2003d4cf0f8eebc6cad68ef0669e1ac9dcb073", 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_format_err ... ok
[INFO] [stdout] test error::tests::test_message ... ok
[INFO] [stdout] test error::tests::test_option ... ok
[INFO] [stdout] test error::tests::test_io_err ... ok
[INFO] [stdout] test error::tests::test_anyhow_compat ... ok
[INFO] [stdout] test error::tests::test_sources ... ok
[INFO] [stdout] test error::tests::test_whatever ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n0_snafu
[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" "a2b0e99cd3af1fd1f3588bae4d2003d4cf0f8eebc6cad68ef0669e1ac9dcb073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b0e99cd3af1fd1f3588bae4d2003d4cf0f8eebc6cad68ef0669e1ac9dcb073", kill_on_drop: false }`
[INFO] [stdout] a2b0e99cd3af1fd1f3588bae4d2003d4cf0f8eebc6cad68ef0669e1ac9dcb073