[INFO] fetching crate cfg-expr 0.9.0...
[INFO] checking cfg-expr-0.9.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate cfg-expr 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cfg-expr 0.9.0 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 cfg-expr 0.9.0
[INFO] finished tweaking crates.io crate cfg-expr 0.9.0
[INFO] tweaked toml for crates.io crate cfg-expr 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cfg-expr 0.9.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded similar-asserts v1.1.0
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b45cd8ac7104e4a9612c1a1a22391f4a34c23fecadd5e7ab72443b65457136d
[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" "6b45cd8ac7104e4a9612c1a1a22391f4a34c23fecadd5e7ab72443b65457136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b45cd8ac7104e4a9612c1a1a22391f4a34c23fecadd5e7ab72443b65457136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b45cd8ac7104e4a9612c1a1a22391f4a34c23fecadd5e7ab72443b65457136d", kill_on_drop: false }`
[INFO] [stdout] 6b45cd8ac7104e4a9612c1a1a22391f4a34c23fecadd5e7ab72443b65457136d
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85138edac398c47a4bc4efe5b2d6f6c7d449d4139ba46cd03e16d6ed205e92ea
[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" "85138edac398c47a4bc4efe5b2d6f6c7d449d4139ba46cd03e16d6ed205e92ea", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking cfg-expr v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking similar-asserts v1.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "85138edac398c47a4bc4efe5b2d6f6c7d449d4139ba46cd03e16d6ed205e92ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85138edac398c47a4bc4efe5b2d6f6c7d449d4139ba46cd03e16d6ed205e92ea", kill_on_drop: false }`
[INFO] [stdout] 85138edac398c47a4bc4efe5b2d6f6c7d449d4139ba46cd03e16d6ed205e92ea