[INFO] fetching crate system 0.1.0...
[INFO] checking system-0.1.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate system 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate system 0.1.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate system 0.1.0
[INFO] finished tweaking crates.io crate system 0.1.0
[INFO] tweaked toml for crates.io crate system 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e4348818057657913494184c6c316947af2c3a4c7ec3e5a58494bc82eb1cdc8
[INFO] running `Command { std: "docker" "start" "-a" "5e4348818057657913494184c6c316947af2c3a4c7ec3e5a58494bc82eb1cdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e4348818057657913494184c6c316947af2c3a4c7ec3e5a58494bc82eb1cdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4348818057657913494184c6c316947af2c3a4c7ec3e5a58494bc82eb1cdc8", kill_on_drop: false }`
[INFO] [stdout] 5e4348818057657913494184c6c316947af2c3a4c7ec3e5a58494bc82eb1cdc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 320aee7890dc9b6626f1d97eb1b2b7a6fc0d3515f6df68505926a7e36bdf4a91
[INFO] running `Command { std: "docker" "start" "-a" "320aee7890dc9b6626f1d97eb1b2b7a6fc0d3515f6df68505926a7e36bdf4a91", kill_on_drop: false }`
[INFO] [stderr]     Checking system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "320aee7890dc9b6626f1d97eb1b2b7a6fc0d3515f6df68505926a7e36bdf4a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320aee7890dc9b6626f1d97eb1b2b7a6fc0d3515f6df68505926a7e36bdf4a91", kill_on_drop: false }`
[INFO] [stdout] 320aee7890dc9b6626f1d97eb1b2b7a6fc0d3515f6df68505926a7e36bdf4a91