[INFO] fetching crate err_trail 0.10.2...
[INFO] testing err_trail-0.10.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate err_trail 0.10.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate err_trail 0.10.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate err_trail 0.10.2
[INFO] tweaked toml for crates.io crate err_trail 0.10.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate err_trail 0.10.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate err_trail 0.10.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flaky_test v0.2.2
[INFO] [stderr]   Downloaded flaky_test_impl v0.2.2
[INFO] [stderr]   Downloaded tracing-test-macro v0.2.5
[INFO] [stderr]   Downloaded tracing-test v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e20ba22cd103b61afabc7cdacbef7de7897363dedd8f07a4bc931e644360e0df
[INFO] running `Command { std: "docker" "start" "-a" "e20ba22cd103b61afabc7cdacbef7de7897363dedd8f07a4bc931e644360e0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20ba22cd103b61afabc7cdacbef7de7897363dedd8f07a4bc931e644360e0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20ba22cd103b61afabc7cdacbef7de7897363dedd8f07a4bc931e644360e0df", kill_on_drop: false }`
[INFO] [stdout] e20ba22cd103b61afabc7cdacbef7de7897363dedd8f07a4bc931e644360e0df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfe0649e06a0b37096002ec5dd5631c744afde76a887507a8305e42cf77eea1f
[INFO] running `Command { std: "docker" "start" "-a" "dfe0649e06a0b37096002ec5dd5631c744afde76a887507a8305e42cf77eea1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling err_trail v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "dfe0649e06a0b37096002ec5dd5631c744afde76a887507a8305e42cf77eea1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe0649e06a0b37096002ec5dd5631c744afde76a887507a8305e42cf77eea1f", kill_on_drop: false }`
[INFO] [stdout] dfe0649e06a0b37096002ec5dd5631c744afde76a887507a8305e42cf77eea1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005391b922447aaa8e1d27d16e9232695c270f0c925954eba32e66a9b6c99b7d
[INFO] running `Command { std: "docker" "start" "-a" "005391b922447aaa8e1d27d16e9232695c270f0c925954eba32e66a9b6c99b7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling flaky_test_impl v0.2.2
[INFO] [stderr]    Compiling flaky_test v0.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tracing-test v0.2.5
[INFO] [stderr]    Compiling err_trail v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.92s
[INFO] running `Command { std: "docker" "inspect" "005391b922447aaa8e1d27d16e9232695c270f0c925954eba32e66a9b6c99b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005391b922447aaa8e1d27d16e9232695c270f0c925954eba32e66a9b6c99b7d", kill_on_drop: false }`
[INFO] [stdout] 005391b922447aaa8e1d27d16e9232695c270f0c925954eba32e66a9b6c99b7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8da9acd65d0d6ead251d7b489d42bc31be57a9a881fd2a2ace4ab0e1e9940b4a
[INFO] running `Command { std: "docker" "start" "-a" "8da9acd65d0d6ead251d7b489d42bc31be57a9a881fd2a2ace4ab0e1e9940b4a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/err_trail-6e36faecadaf77a5)
[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/mod.rs (/opt/rustwide/target/debug/deps/mod-dd13817209103146)
[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 err_trail
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/../README.md - (line 30) ... ok
[INFO] [stdout] test src/../README.md - (line 41) ... ok
[INFO] [stdout] test src/../README.md - (line 15) ... 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] [stdout] all doctests ran in 0.58s; merged doctests compilation took 0.57s
[INFO] running `Command { std: "docker" "inspect" "8da9acd65d0d6ead251d7b489d42bc31be57a9a881fd2a2ace4ab0e1e9940b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da9acd65d0d6ead251d7b489d42bc31be57a9a881fd2a2ace4ab0e1e9940b4a", kill_on_drop: false }`
[INFO] [stdout] 8da9acd65d0d6ead251d7b489d42bc31be57a9a881fd2a2ace4ab0e1e9940b4a