[INFO] fetching crate lang_tester 0.3.13...
[INFO] checking lang_tester-0.3.13 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate lang_tester 0.3.13 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lang_tester 0.3.13 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lang_tester 0.3.13
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lang_tester 0.3.13
[INFO] tweaked toml for crates.io crate lang_tester 0.3.13 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate lang_tester 0.3.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a736fffd738672352cfabc0c7405b659d14e3a43d1fe365b3f58bd29b8c243c
[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" "6a736fffd738672352cfabc0c7405b659d14e3a43d1fe365b3f58bd29b8c243c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a736fffd738672352cfabc0c7405b659d14e3a43d1fe365b3f58bd29b8c243c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a736fffd738672352cfabc0c7405b659d14e3a43d1fe365b3f58bd29b8c243c", kill_on_drop: false }`
[INFO] [stdout] 6a736fffd738672352cfabc0c7405b659d14e3a43d1fe365b3f58bd29b8c243c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] 38518ecff42b3f63ff3e4f30b5be15f94b3c119a91341379202a28f0403f37b9
[INFO] running `Command { std: "docker" "start" "-a" "38518ecff42b3f63ff3e4f30b5be15f94b3c119a91341379202a28f0403f37b9", 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 same-file v1.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking walkdir v2.3.1
[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 v0.1.4
[INFO] [stderr]     Checking lang_tester v0.3.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "38518ecff42b3f63ff3e4f30b5be15f94b3c119a91341379202a28f0403f37b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38518ecff42b3f63ff3e4f30b5be15f94b3c119a91341379202a28f0403f37b9", kill_on_drop: false }`
[INFO] [stdout] 38518ecff42b3f63ff3e4f30b5be15f94b3c119a91341379202a28f0403f37b9