[INFO] fetching crate grue 0.1.0...
[INFO] checking grue-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate grue 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate grue 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grue 0.1.0
[INFO] finished tweaking crates.io crate grue 0.1.0
[INFO] tweaked toml for crates.io crate grue 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0f6729622f0114e90858013e8fefe419d958fda3cf3cbee56ae1b123d0ee3f6
[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" "e0f6729622f0114e90858013e8fefe419d958fda3cf3cbee56ae1b123d0ee3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0f6729622f0114e90858013e8fefe419d958fda3cf3cbee56ae1b123d0ee3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f6729622f0114e90858013e8fefe419d958fda3cf3cbee56ae1b123d0ee3f6", kill_on_drop: false }`
[INFO] [stdout] e0f6729622f0114e90858013e8fefe419d958fda3cf3cbee56ae1b123d0ee3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcb1c6d9f92349cd11c9cf624138989c6d48dc1944ba995ce9c3feaece77fb1b
[INFO] running `Command { std: "docker" "start" "-a" "fcb1c6d9f92349cd11c9cf624138989c6d48dc1944ba995ce9c3feaece77fb1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking indextree v3.3.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking grue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.77s
[INFO] running `Command { std: "docker" "inspect" "fcb1c6d9f92349cd11c9cf624138989c6d48dc1944ba995ce9c3feaece77fb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb1c6d9f92349cd11c9cf624138989c6d48dc1944ba995ce9c3feaece77fb1b", kill_on_drop: false }`
[INFO] [stdout] fcb1c6d9f92349cd11c9cf624138989c6d48dc1944ba995ce9c3feaece77fb1b