[INFO] fetching crate stackerror-impl 0.7.0...
[INFO] testing stackerror-impl-0.7.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate stackerror-impl 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate stackerror-impl 0.7.0
[INFO] finished tweaking crates.io crate stackerror-impl 0.7.0
[INFO] tweaked toml for crates.io crate stackerror-impl 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackerror-impl 0.7.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stackerror-impl 0.7.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.87
[INFO] [stderr]   Downloaded syn v2.0.79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e17b862ccef115cbe76a2dc19632b6ce18f51ee97a81c591b5311f0d43fca8f
[INFO] running `Command { std: "docker" "start" "-a" "3e17b862ccef115cbe76a2dc19632b6ce18f51ee97a81c591b5311f0d43fca8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e17b862ccef115cbe76a2dc19632b6ce18f51ee97a81c591b5311f0d43fca8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e17b862ccef115cbe76a2dc19632b6ce18f51ee97a81c591b5311f0d43fca8f", kill_on_drop: false }`
[INFO] [stdout] 3e17b862ccef115cbe76a2dc19632b6ce18f51ee97a81c591b5311f0d43fca8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe7903ba4b8bd490f0ea27ad3da794d3ca97308bec5757664065a10094fac6c7
[INFO] running `Command { std: "docker" "start" "-a" "fe7903ba4b8bd490f0ea27ad3da794d3ca97308bec5757664065a10094fac6c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling stackerror-impl v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "fe7903ba4b8bd490f0ea27ad3da794d3ca97308bec5757664065a10094fac6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7903ba4b8bd490f0ea27ad3da794d3ca97308bec5757664065a10094fac6c7", kill_on_drop: false }`
[INFO] [stdout] fe7903ba4b8bd490f0ea27ad3da794d3ca97308bec5757664065a10094fac6c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f61508593eafaeec2725ddc7aa4d094b1b1cde804e391583d2d09a2e8ddfaaf9
[INFO] running `Command { std: "docker" "start" "-a" "f61508593eafaeec2725ddc7aa4d094b1b1cde804e391583d2d09a2e8ddfaaf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackerror-impl v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f61508593eafaeec2725ddc7aa4d094b1b1cde804e391583d2d09a2e8ddfaaf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61508593eafaeec2725ddc7aa4d094b1b1cde804e391583d2d09a2e8ddfaaf9", kill_on_drop: false }`
[INFO] [stdout] f61508593eafaeec2725ddc7aa4d094b1b1cde804e391583d2d09a2e8ddfaaf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fff5d9e679939dc5d22ff70a32d15deee4415f7d28dce5d1e82b65e1ea00cb0
[INFO] running `Command { std: "docker" "start" "-a" "1fff5d9e679939dc5d22ff70a32d15deee4415f7d28dce5d1e82b65e1ea00cb0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stackerror_impl-521a16e00732b102)
[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 stackerror_impl
[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" "1fff5d9e679939dc5d22ff70a32d15deee4415f7d28dce5d1e82b65e1ea00cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fff5d9e679939dc5d22ff70a32d15deee4415f7d28dce5d1e82b65e1ea00cb0", kill_on_drop: false }`
[INFO] [stdout] 1fff5d9e679939dc5d22ff70a32d15deee4415f7d28dce5d1e82b65e1ea00cb0