[INFO] fetching crate lang_tester 0.3.12...
[INFO] checking lang_tester-0.3.12 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate lang_tester 0.3.12 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lang_tester 0.3.12 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lang_tester 0.3.12
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lang_tester 0.3.12
[INFO] tweaked toml for crates.io crate lang_tester 0.3.12 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lang_tester 0.3.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a924c49062091f7fa195051167b7f63311f5a7c921f9ca3a6f9c3b4283d9e9b1
[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" "a924c49062091f7fa195051167b7f63311f5a7c921f9ca3a6f9c3b4283d9e9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a924c49062091f7fa195051167b7f63311f5a7c921f9ca3a6f9c3b4283d9e9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a924c49062091f7fa195051167b7f63311f5a7c921f9ca3a6f9c3b4283d9e9b1", kill_on_drop: false }`
[INFO] [stdout] a924c49062091f7fa195051167b7f63311f5a7c921f9ca3a6f9c3b4283d9e9b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcaeef8880f4c630ab533d10575875f2e9cfd6d12ee33d3228e49445f4d166eb
[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" "fcaeef8880f4c630ab533d10575875f2e9cfd6d12ee33d3228e49445f4d166eb", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking fm v0.1.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking lang_tester v0.3.12 (/opt/rustwide/workdir)
[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 tempfile v3.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "fcaeef8880f4c630ab533d10575875f2e9cfd6d12ee33d3228e49445f4d166eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcaeef8880f4c630ab533d10575875f2e9cfd6d12ee33d3228e49445f4d166eb", kill_on_drop: false }`
[INFO] [stdout] fcaeef8880f4c630ab533d10575875f2e9cfd6d12ee33d3228e49445f4d166eb