[INFO] fetching crate mincost 0.1.1...
[INFO] checking mincost-0.1.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate mincost 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mincost 0.1.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mincost 0.1.1
[INFO] finished tweaking crates.io crate mincost 0.1.1
[INFO] tweaked toml for crates.io crate mincost 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 723ddf1701b981fdf0da4de0ad1850be76430e11e7378c0dd14c123df0f7e5fe
[INFO] running `Command { std: "docker" "start" "-a" "723ddf1701b981fdf0da4de0ad1850be76430e11e7378c0dd14c123df0f7e5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "723ddf1701b981fdf0da4de0ad1850be76430e11e7378c0dd14c123df0f7e5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723ddf1701b981fdf0da4de0ad1850be76430e11e7378c0dd14c123df0f7e5fe", kill_on_drop: false }`
[INFO] [stdout] 723ddf1701b981fdf0da4de0ad1850be76430e11e7378c0dd14c123df0f7e5fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27ca5495a6c6813470b9188deae121dff26bf703b4aaaa200b07d7ecde130ee3
[INFO] running `Command { std: "docker" "start" "-a" "27ca5495a6c6813470b9188deae121dff26bf703b4aaaa200b07d7ecde130ee3", kill_on_drop: false }`
[INFO] [stderr]     Checking mincost v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "27ca5495a6c6813470b9188deae121dff26bf703b4aaaa200b07d7ecde130ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ca5495a6c6813470b9188deae121dff26bf703b4aaaa200b07d7ecde130ee3", kill_on_drop: false }`
[INFO] [stdout] 27ca5495a6c6813470b9188deae121dff26bf703b4aaaa200b07d7ecde130ee3