[INFO] fetching crate err-per-field 0.1.0...
[INFO] testing err-per-field-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate err-per-field 0.1.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate err-per-field 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate err-per-field 0.1.0
[INFO] finished tweaking crates.io crate err-per-field 0.1.0
[INFO] tweaked toml for crates.io crate err-per-field 0.1.0 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded err-per-field-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0177fe9b47e0375d8d240318c557490b06a6087f36c871d4193b5a331c698bb4
[INFO] running `Command { std: "docker" "start" "-a" "0177fe9b47e0375d8d240318c557490b06a6087f36c871d4193b5a331c698bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0177fe9b47e0375d8d240318c557490b06a6087f36c871d4193b5a331c698bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0177fe9b47e0375d8d240318c557490b06a6087f36c871d4193b5a331c698bb4", kill_on_drop: false }`
[INFO] [stdout] 0177fe9b47e0375d8d240318c557490b06a6087f36c871d4193b5a331c698bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41cd34cb58a44efa33817521bea7b43720f63e043a3b90bc79f57a2b8d071535
[INFO] running `Command { std: "docker" "start" "-a" "41cd34cb58a44efa33817521bea7b43720f63e043a3b90bc79f57a2b8d071535", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling err-per-field-derive v0.1.0
[INFO] [stderr]    Compiling err-per-field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "41cd34cb58a44efa33817521bea7b43720f63e043a3b90bc79f57a2b8d071535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cd34cb58a44efa33817521bea7b43720f63e043a3b90bc79f57a2b8d071535", kill_on_drop: false }`
[INFO] [stdout] 41cd34cb58a44efa33817521bea7b43720f63e043a3b90bc79f57a2b8d071535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb302bbd3b44c33857eed8dac49a8934f8ccc20ad4c9a1596151a4627ed3519e
[INFO] running `Command { std: "docker" "start" "-a" "bb302bbd3b44c33857eed8dac49a8934f8ccc20ad4c9a1596151a4627ed3519e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling err-per-field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "bb302bbd3b44c33857eed8dac49a8934f8ccc20ad4c9a1596151a4627ed3519e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb302bbd3b44c33857eed8dac49a8934f8ccc20ad4c9a1596151a4627ed3519e", kill_on_drop: false }`
[INFO] [stdout] bb302bbd3b44c33857eed8dac49a8934f8ccc20ad4c9a1596151a4627ed3519e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d793f266d5ed098410c9e363c145836e1d93b86c4f16fb39e27545419dac91b
[INFO] running `Command { std: "docker" "start" "-a" "1d793f266d5ed098410c9e363c145836e1d93b86c4f16fb39e27545419dac91b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/err_per_field-8d910a6bf9a3a162)
[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]      Running tests/generic_struct_test.rs (/opt/rustwide/target/debug/deps/generic_struct_test-86c06472c6abac03)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_all_field_valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple_struct_test.rs (/opt/rustwide/target/debug/deps/simple_struct_test-762abca4ab39d038)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_all_field_valid ... ok
[INFO] [stdout] test test_err_field ... ok
[INFO] [stdout] test test_none_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests err-per-field
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 34) ... ignored
[INFO] [stdout] test src/lib.rs - (line 7) ... ignored
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d793f266d5ed098410c9e363c145836e1d93b86c4f16fb39e27545419dac91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d793f266d5ed098410c9e363c145836e1d93b86c4f16fb39e27545419dac91b", kill_on_drop: false }`
[INFO] [stdout] 1d793f266d5ed098410c9e363c145836e1d93b86c4f16fb39e27545419dac91b