[INFO] fetching crate rustc_tools_util 0.4.2...
[INFO] testing rustc_tools_util-0.4.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rustc_tools_util 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rustc_tools_util 0.4.2
[INFO] finished tweaking crates.io crate rustc_tools_util 0.4.2
[INFO] tweaked toml for crates.io crate rustc_tools_util 0.4.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc_tools_util 0.4.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustc_tools_util 0.4.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4a69264e630e2f3410fc45b3529171fed29780ac2d613f7bbe8166f65f9be48
[INFO] running `Command { std: "docker" "start" "-a" "b4a69264e630e2f3410fc45b3529171fed29780ac2d613f7bbe8166f65f9be48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4a69264e630e2f3410fc45b3529171fed29780ac2d613f7bbe8166f65f9be48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a69264e630e2f3410fc45b3529171fed29780ac2d613f7bbe8166f65f9be48", kill_on_drop: false }`
[INFO] [stdout] b4a69264e630e2f3410fc45b3529171fed29780ac2d613f7bbe8166f65f9be48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b2986374f9aa767c39ada435797a2e6b30368ac6cf8c7baffe31e1845ac7227
[INFO] running `Command { std: "docker" "start" "-a" "1b2986374f9aa767c39ada435797a2e6b30368ac6cf8c7baffe31e1845ac7227", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_tools_util v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "1b2986374f9aa767c39ada435797a2e6b30368ac6cf8c7baffe31e1845ac7227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2986374f9aa767c39ada435797a2e6b30368ac6cf8c7baffe31e1845ac7227", kill_on_drop: false }`
[INFO] [stdout] 1b2986374f9aa767c39ada435797a2e6b30368ac6cf8c7baffe31e1845ac7227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 515be0c21be4f5d7e7eebc671d8d87b88c9c25daec2bee65ce1bf502745cd749
[INFO] running `Command { std: "docker" "start" "-a" "515be0c21be4f5d7e7eebc671d8d87b88c9c25daec2bee65ce1bf502745cd749", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_tools_util v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "515be0c21be4f5d7e7eebc671d8d87b88c9c25daec2bee65ce1bf502745cd749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515be0c21be4f5d7e7eebc671d8d87b88c9c25daec2bee65ce1bf502745cd749", kill_on_drop: false }`
[INFO] [stdout] 515be0c21be4f5d7e7eebc671d8d87b88c9c25daec2bee65ce1bf502745cd749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f6183b74aedab2f59d959336c14adb7f7082b52c919cffdb3538477a892fbc2
[INFO] running `Command { std: "docker" "start" "-a" "2f6183b74aedab2f59d959336c14adb7f7082b52c919cffdb3538477a892fbc2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustc_tools_util-dff4aae53e4f71af)
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests rustc_tools_util
[INFO] [stdout] test test::test_display_local ... ok
[INFO] [stdout] test test::test_struct_local ... ok
[INFO] [stdout] test test::test_debug_local ... 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] 
[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" "2f6183b74aedab2f59d959336c14adb7f7082b52c919cffdb3538477a892fbc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6183b74aedab2f59d959336c14adb7f7082b52c919cffdb3538477a892fbc2", kill_on_drop: false }`
[INFO] [stdout] 2f6183b74aedab2f59d959336c14adb7f7082b52c919cffdb3538477a892fbc2