[INFO] fetching crate fahrenheit 4.5.4...
[INFO] checking fahrenheit-4.5.4 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate fahrenheit 4.5.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fahrenheit 4.5.4 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fahrenheit 4.5.4
[INFO] finished tweaking crates.io crate fahrenheit 4.5.4
[INFO] tweaked toml for crates.io crate fahrenheit 4.5.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate fahrenheit 4.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ec4404f92c8b0def27010ef48ec6e1e8083e19658130697c102f0e5fd3e81b8
[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" "0ec4404f92c8b0def27010ef48ec6e1e8083e19658130697c102f0e5fd3e81b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ec4404f92c8b0def27010ef48ec6e1e8083e19658130697c102f0e5fd3e81b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec4404f92c8b0def27010ef48ec6e1e8083e19658130697c102f0e5fd3e81b8", kill_on_drop: false }`
[INFO] [stdout] 0ec4404f92c8b0def27010ef48ec6e1e8083e19658130697c102f0e5fd3e81b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8112d773997e44b57580ee95680246483ed7a58ac6538fa978e0d74b4a5822c
[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" "e8112d773997e44b57580ee95680246483ed7a58ac6538fa978e0d74b4a5822c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking fahrenheit v4.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.60s
[INFO] running `Command { std: "docker" "inspect" "e8112d773997e44b57580ee95680246483ed7a58ac6538fa978e0d74b4a5822c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8112d773997e44b57580ee95680246483ed7a58ac6538fa978e0d74b4a5822c", kill_on_drop: false }`
[INFO] [stdout] e8112d773997e44b57580ee95680246483ed7a58ac6538fa978e0d74b4a5822c