[INFO] fetching crate mextk 0.1.0...
[INFO] checking mextk-0.1.0 against try#4e3d7541a523df82cea75064e44e60ae9a008bcb for pr-97427
[INFO] extracting crate mextk 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate mextk 0.1.0 on toolchain 4e3d7541a523df82cea75064e44e60ae9a008bcb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mextk 0.1.0
[INFO] finished tweaking crates.io crate mextk 0.1.0
[INFO] tweaked toml for crates.io crate mextk 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c54f38884e1977a2e893e0c7600fb59851ab64d5497968bf7aeafba84ac6c0
[INFO] running `Command { std: "docker" "start" "-a" "f6c54f38884e1977a2e893e0c7600fb59851ab64d5497968bf7aeafba84ac6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c54f38884e1977a2e893e0c7600fb59851ab64d5497968bf7aeafba84ac6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c54f38884e1977a2e893e0c7600fb59851ab64d5497968bf7aeafba84ac6c0", kill_on_drop: false }`
[INFO] [stdout] f6c54f38884e1977a2e893e0c7600fb59851ab64d5497968bf7aeafba84ac6c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0967c2d49f639c66b5abcaa959c3b2ca343a15092e614bbc3042237875249081
[INFO] running `Command { std: "docker" "start" "-a" "0967c2d49f639c66b5abcaa959c3b2ca343a15092e614bbc3042237875249081", kill_on_drop: false }`
[INFO] [stderr]     Checking mextk-libc v0.1.0
[INFO] [stderr]     Checking mextk-sys v0.1.0
[INFO] [stderr]     Checking mextk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "0967c2d49f639c66b5abcaa959c3b2ca343a15092e614bbc3042237875249081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0967c2d49f639c66b5abcaa959c3b2ca343a15092e614bbc3042237875249081", kill_on_drop: false }`
[INFO] [stdout] 0967c2d49f639c66b5abcaa959c3b2ca343a15092e614bbc3042237875249081