[INFO] fetching crate describe_err 1.0.1...
[INFO] testing describe_err-1.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate describe_err 1.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate describe_err 1.0.1 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 describe_err 1.0.1
[INFO] finished tweaking crates.io crate describe_err 1.0.1
[INFO] tweaked toml for crates.io crate describe_err 1.0.1 written to /workspace/builds/worker-5/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] 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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8049d8b1c8b93605976abaff5dbf128b2da5ec5449c38b18c1ea88ee7a4abc3f
[INFO] running `Command { std: "docker" "start" "-a" "8049d8b1c8b93605976abaff5dbf128b2da5ec5449c38b18c1ea88ee7a4abc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8049d8b1c8b93605976abaff5dbf128b2da5ec5449c38b18c1ea88ee7a4abc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8049d8b1c8b93605976abaff5dbf128b2da5ec5449c38b18c1ea88ee7a4abc3f", kill_on_drop: false }`
[INFO] [stdout] 8049d8b1c8b93605976abaff5dbf128b2da5ec5449c38b18c1ea88ee7a4abc3f
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] addae91d6406d66103defd8dd92a92ffb6960bb8c62fe00719b90e0764bb1fc6
[INFO] running `Command { std: "docker" "start" "-a" "addae91d6406d66103defd8dd92a92ffb6960bb8c62fe00719b90e0764bb1fc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling describe_err v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "addae91d6406d66103defd8dd92a92ffb6960bb8c62fe00719b90e0764bb1fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addae91d6406d66103defd8dd92a92ffb6960bb8c62fe00719b90e0764bb1fc6", kill_on_drop: false }`
[INFO] [stdout] addae91d6406d66103defd8dd92a92ffb6960bb8c62fe00719b90e0764bb1fc6
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d6ed47a305e0e6a85b4eec151c74b2f6a58b222ed25205bc8aeb270996caae1
[INFO] running `Command { std: "docker" "start" "-a" "1d6ed47a305e0e6a85b4eec151c74b2f6a58b222ed25205bc8aeb270996caae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling describe_err v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/describe_err-bb99df1b72ed5b24)
[INFO] running `Command { std: "docker" "inspect" "1d6ed47a305e0e6a85b4eec151c74b2f6a58b222ed25205bc8aeb270996caae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6ed47a305e0e6a85b4eec151c74b2f6a58b222ed25205bc8aeb270996caae1", kill_on_drop: false }`
[INFO] [stdout] 1d6ed47a305e0e6a85b4eec151c74b2f6a58b222ed25205bc8aeb270996caae1
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9dec56343b0ca76ec65adb1855d947d8a2e0d96454b7568b3a262113d1d609e
[INFO] running `Command { std: "docker" "start" "-a" "c9dec56343b0ca76ec65adb1855d947d8a2e0d96454b7568b3a262113d1d609e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/describe_err-bb99df1b72ed5b24)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::macro_err ... ok
[INFO] [stdout] test tests::simple_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests describe_err
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - describing (line 122) ... ok
[INFO] [stdout] test src/lib.rs - Described (line 67) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - describe (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9dec56343b0ca76ec65adb1855d947d8a2e0d96454b7568b3a262113d1d609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9dec56343b0ca76ec65adb1855d947d8a2e0d96454b7568b3a262113d1d609e", kill_on_drop: false }`
[INFO] [stdout] c9dec56343b0ca76ec65adb1855d947d8a2e0d96454b7568b3a262113d1d609e