[INFO] fetching crate lang_tester 0.6.1...
[INFO] checking lang_tester-0.6.1 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate lang_tester 0.6.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lang_tester 0.6.1 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lang_tester 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lang_tester 0.6.1
[INFO] tweaked toml for crates.io crate lang_tester 0.6.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate lang_tester 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be29faec4667b7b1b722729bae8494c2a80cc482fcba1a889d9667ded415e79f
[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" "be29faec4667b7b1b722729bae8494c2a80cc482fcba1a889d9667ded415e79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be29faec4667b7b1b722729bae8494c2a80cc482fcba1a889d9667ded415e79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be29faec4667b7b1b722729bae8494c2a80cc482fcba1a889d9667ded415e79f", kill_on_drop: false }`
[INFO] [stdout] be29faec4667b7b1b722729bae8494c2a80cc482fcba1a889d9667ded415e79f
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fea5901f6f08055e20e80429838131e1b2b73635bb216bc80dcef9f1a6324bb
[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" "0fea5901f6f08055e20e80429838131e1b2b73635bb216bc80dcef9f1a6324bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking fm v0.2.0
[INFO] [stderr]     Checking lang_tester v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "0fea5901f6f08055e20e80429838131e1b2b73635bb216bc80dcef9f1a6324bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fea5901f6f08055e20e80429838131e1b2b73635bb216bc80dcef9f1a6324bb", kill_on_drop: false }`
[INFO] [stdout] 0fea5901f6f08055e20e80429838131e1b2b73635bb216bc80dcef9f1a6324bb