[INFO] fetching crate micro_errors 0.7.0...
[INFO] testing micro_errors-0.7.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate micro_errors 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate micro_errors 0.7.0
[INFO] finished tweaking crates.io crate micro_errors 0.7.0
[INFO] tweaked toml for crates.io crate micro_errors 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate micro_errors 0.7.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4ae2413ff170b11a1d3c69f92308b0846b8e873e45d22918b0b5c3c02f5423
[INFO] running `Command { std: "docker" "start" "-a" "2a4ae2413ff170b11a1d3c69f92308b0846b8e873e45d22918b0b5c3c02f5423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4ae2413ff170b11a1d3c69f92308b0846b8e873e45d22918b0b5c3c02f5423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4ae2413ff170b11a1d3c69f92308b0846b8e873e45d22918b0b5c3c02f5423", kill_on_drop: false }`
[INFO] [stdout] 2a4ae2413ff170b11a1d3c69f92308b0846b8e873e45d22918b0b5c3c02f5423
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63624df7cd450d9099ddb98859b0e748fd451d5923a2faaa2cb595d621e616c5
[INFO] running `Command { std: "docker" "start" "-a" "63624df7cd450d9099ddb98859b0e748fd451d5923a2faaa2cb595d621e616c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling micro_errors v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "63624df7cd450d9099ddb98859b0e748fd451d5923a2faaa2cb595d621e616c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63624df7cd450d9099ddb98859b0e748fd451d5923a2faaa2cb595d621e616c5", kill_on_drop: false }`
[INFO] [stdout] 63624df7cd450d9099ddb98859b0e748fd451d5923a2faaa2cb595d621e616c5
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 772a62f46f11eb5c7419f2cb2aeeffe511008eed2825d5b3996959b0aab58e40
[INFO] running `Command { std: "docker" "start" "-a" "772a62f46f11eb5c7419f2cb2aeeffe511008eed2825d5b3996959b0aab58e40", kill_on_drop: false }`
[INFO] [stderr]    Compiling micro_errors v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "772a62f46f11eb5c7419f2cb2aeeffe511008eed2825d5b3996959b0aab58e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772a62f46f11eb5c7419f2cb2aeeffe511008eed2825d5b3996959b0aab58e40", kill_on_drop: false }`
[INFO] [stdout] 772a62f46f11eb5c7419f2cb2aeeffe511008eed2825d5b3996959b0aab58e40
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffcdc81460b1288662a3cdf5e7956cb7f27305dd3e3ec9b62f0aa517042ac23d
[INFO] running `Command { std: "docker" "start" "-a" "ffcdc81460b1288662a3cdf5e7956cb7f27305dd3e3ec9b62f0aa517042ac23d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micro_errors-741f5280c5b45650)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test__adding_link__to_error_link_non_string ... ok
[INFO] [stdout] test tests::test__adding_link__to_error_link_string ... ok
[INFO] [stdout] test tests::test_favour_concrete ... ok
[INFO] [stdout] test tests::test__chaining_error_link_ ... ok
[INFO] [stdout] test tests::test__chaining_non_error_chain ... ok
[INFO] [stdout] test tests::test__chaining_non_error_chain_and_non_error_trait ... ok
[INFO] [stdout] test tests::test__link_conversion__to_error_link_non_string ... ok
[INFO] [stdout] test tests::test__replacing_payload__to_error_link_non_string ... ok
[INFO] [stdout] test tests::test__link_conversion__to_error_link_string ... ok
[INFO] [stdout] test tests::test__chaining_non_error_link_ ... ok
[INFO] [stdout] test tests::test__chaining_non_error_link_and_non_error_trait ... ok
[INFO] [stdout] test tests::test__resultext__chaining_non ... ok
[INFO] [stdout] test tests::test__chaining_error_link__non_string_payload ... ok
[INFO] [stdout] test tests::test__replacing_payload__to_error_link_string ... ok
[INFO] [stdout] test tests::test__chaining_error_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests micro_errors
[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" "ffcdc81460b1288662a3cdf5e7956cb7f27305dd3e3ec9b62f0aa517042ac23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcdc81460b1288662a3cdf5e7956cb7f27305dd3e3ec9b62f0aa517042ac23d", kill_on_drop: false }`
[INFO] [stdout] ffcdc81460b1288662a3cdf5e7956cb7f27305dd3e3ec9b62f0aa517042ac23d