[INFO] fetching crate u3 0.1.4...
[INFO] testing u3-0.1.4 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate u3 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate u3 0.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate u3 0.1.4
[INFO] tweaked toml for crates.io crate u3 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate u3 0.1.4 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate u3 0.1.4 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b2b662e98476d0c6844a0bbe0dbb7fb4e3ded7f79dea297dedbcb8f34b15d2c
[INFO] running `Command { std: "docker" "start" "-a" "0b2b662e98476d0c6844a0bbe0dbb7fb4e3ded7f79dea297dedbcb8f34b15d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b2b662e98476d0c6844a0bbe0dbb7fb4e3ded7f79dea297dedbcb8f34b15d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2b662e98476d0c6844a0bbe0dbb7fb4e3ded7f79dea297dedbcb8f34b15d2c", kill_on_drop: false }`
[INFO] [stdout] 0b2b662e98476d0c6844a0bbe0dbb7fb4e3ded7f79dea297dedbcb8f34b15d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cacd10197b8c4e336bfc58ca04146353a4d17b3017b0f21182f8d7f308d1b15
[INFO] running `Command { std: "docker" "start" "-a" "3cacd10197b8c4e336bfc58ca04146353a4d17b3017b0f21182f8d7f308d1b15", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling u3 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.44s
[INFO] running `Command { std: "docker" "inspect" "3cacd10197b8c4e336bfc58ca04146353a4d17b3017b0f21182f8d7f308d1b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cacd10197b8c4e336bfc58ca04146353a4d17b3017b0f21182f8d7f308d1b15", kill_on_drop: false }`
[INFO] [stdout] 3cacd10197b8c4e336bfc58ca04146353a4d17b3017b0f21182f8d7f308d1b15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383a3ae3570344c4f86dd1d3d9fd6dfbad22cc8617e2c1eb7d174c18282a9d5f
[INFO] running `Command { std: "docker" "start" "-a" "383a3ae3570344c4f86dd1d3d9fd6dfbad22cc8617e2c1eb7d174c18282a9d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling deranged v0.5.6
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling u3 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "383a3ae3570344c4f86dd1d3d9fd6dfbad22cc8617e2c1eb7d174c18282a9d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383a3ae3570344c4f86dd1d3d9fd6dfbad22cc8617e2c1eb7d174c18282a9d5f", kill_on_drop: false }`
[INFO] [stdout] 383a3ae3570344c4f86dd1d3d9fd6dfbad22cc8617e2c1eb7d174c18282a9d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6559314f9b22d033bed8640ee73e4cad24f41f80884a51b8bce715d1a976bafb
[INFO] running `Command { std: "docker" "start" "-a" "6559314f9b22d033bed8640ee73e4cad24f41f80884a51b8bce715d1a976bafb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/u3-63d3b7fe4224d747)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests u3
[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] [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" "6559314f9b22d033bed8640ee73e4cad24f41f80884a51b8bce715d1a976bafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6559314f9b22d033bed8640ee73e4cad24f41f80884a51b8bce715d1a976bafb", kill_on_drop: false }`
[INFO] [stdout] 6559314f9b22d033bed8640ee73e4cad24f41f80884a51b8bce715d1a976bafb
