[INFO] fetching crate gut-lib 0.1.1...
[INFO] checking gut-lib-0.1.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate gut-lib 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gut-lib 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 gut-lib 0.1.1
[INFO] finished tweaking crates.io crate gut-lib 0.1.1
[INFO] tweaked toml for crates.io crate gut-lib 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] [stderr]     Blocking waiting for file lock on package cache
[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] 4314703bd35956edc19035111ca49382c15e7aba420ab30a7316deb7d5c5c7b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4314703bd35956edc19035111ca49382c15e7aba420ab30a7316deb7d5c5c7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4314703bd35956edc19035111ca49382c15e7aba420ab30a7316deb7d5c5c7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4314703bd35956edc19035111ca49382c15e7aba420ab30a7316deb7d5c5c7b8", kill_on_drop: false }`
[INFO] [stdout] 4314703bd35956edc19035111ca49382c15e7aba420ab30a7316deb7d5c5c7b8
[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] a4e704241c76ef2ca816ae58f98fce152b4c87b101eacc421ba5558139e9469f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4e704241c76ef2ca816ae58f98fce152b4c87b101eacc421ba5558139e9469f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking signal-hook v0.3.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking gut-lib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "a4e704241c76ef2ca816ae58f98fce152b4c87b101eacc421ba5558139e9469f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e704241c76ef2ca816ae58f98fce152b4c87b101eacc421ba5558139e9469f", kill_on_drop: false }`
[INFO] [stdout] a4e704241c76ef2ca816ae58f98fce152b4c87b101eacc421ba5558139e9469f