[INFO] cloning repository https://github.com/edwin0cheng/stdweb-performance-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edwin0cheng/stdweb-performance-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwin0cheng%2Fstdweb-performance-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwin0cheng%2Fstdweb-performance-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 399f6de727013211b69b004a40432775bf596757
[INFO] checking edwin0cheng/stdweb-performance-test/399f6de727013211b69b004a40432775bf596757 against master#e23ae72ac7a393961886ea62df065ebb6def7d51 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwin0cheng%2Fstdweb-performance-test" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwin0cheng/stdweb-performance-test on toolchain e23ae72ac7a393961886ea62df065ebb6def7d51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edwin0cheng/stdweb-performance-test
[INFO] finished tweaking git repo https://github.com/edwin0cheng/stdweb-performance-test
[INFO] tweaked toml for git repo https://github.com/edwin0cheng/stdweb-performance-test written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/edwin0cheng/stdweb-performance-test 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" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/koute/stdweb.git`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c87f4b8663e24fe433388684f6523555742fdfeb9ac84af91852525e3652fe2
[INFO] running `Command { std: "docker" "start" "-a" "4c87f4b8663e24fe433388684f6523555742fdfeb9ac84af91852525e3652fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c87f4b8663e24fe433388684f6523555742fdfeb9ac84af91852525e3652fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c87f4b8663e24fe433388684f6523555742fdfeb9ac84af91852525e3652fe2", kill_on_drop: false }`
[INFO] [stdout] 4c87f4b8663e24fe433388684f6523555742fdfeb9ac84af91852525e3652fe2
[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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d5ebe5471ed35893b6571b3d029fa9012e507eef7bc95fa980f7f6792e00dd8
[INFO] running `Command { std: "docker" "start" "-a" "2d5ebe5471ed35893b6571b3d029fa9012e507eef7bc95fa980f7f6792e00dd8", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling stdweb v0.3.0 (https://github.com/koute/stdweb.git#ea1cd903)
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking stdweb-performance-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: stdweb v0.3.0 (https://github.com/koute/stdweb.git#ea1cd903)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2d5ebe5471ed35893b6571b3d029fa9012e507eef7bc95fa980f7f6792e00dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5ebe5471ed35893b6571b3d029fa9012e507eef7bc95fa980f7f6792e00dd8", kill_on_drop: false }`
[INFO] [stdout] 2d5ebe5471ed35893b6571b3d029fa9012e507eef7bc95fa980f7f6792e00dd8