[INFO] fetching crate ergo_fs 0.2.0...
[INFO] checking ergo_fs-0.2.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate ergo_fs 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ergo_fs 0.2.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo_fs 0.2.0
[INFO] finished tweaking crates.io crate ergo_fs 0.2.0
[INFO] tweaked toml for crates.io crate ergo_fs 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56caa9da28f74da498287e4330500d19067ec7c8e03c91f83223fcf6e3ad48e4
[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" "56caa9da28f74da498287e4330500d19067ec7c8e03c91f83223fcf6e3ad48e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56caa9da28f74da498287e4330500d19067ec7c8e03c91f83223fcf6e3ad48e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56caa9da28f74da498287e4330500d19067ec7c8e03c91f83223fcf6e3ad48e4", kill_on_drop: false }`
[INFO] [stdout] 56caa9da28f74da498287e4330500d19067ec7c8e03c91f83223fcf6e3ad48e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9364d6b2a78060325373417c1b83ee3a48f0c4ab92f0d5da2b5a8aa86088e5
[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" "3a9364d6b2a78060325373417c1b83ee3a48f0c4ab92f0d5da2b5a8aa86088e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking path_abs v0.4.1
[INFO] [stderr]     Checking ergo_fs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.99s
[INFO] running `Command { std: "docker" "inspect" "3a9364d6b2a78060325373417c1b83ee3a48f0c4ab92f0d5da2b5a8aa86088e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9364d6b2a78060325373417c1b83ee3a48f0c4ab92f0d5da2b5a8aa86088e5", kill_on_drop: false }`
[INFO] [stdout] 3a9364d6b2a78060325373417c1b83ee3a48f0c4ab92f0d5da2b5a8aa86088e5