[INFO] fetching crate random_number_generators 0.2.0...
[INFO] checking random_number_generators-0.2.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate random_number_generators 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate random_number_generators 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 random_number_generators 0.2.0
[INFO] finished tweaking crates.io crate random_number_generators 0.2.0
[INFO] tweaked toml for crates.io crate random_number_generators 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate random_number_generators 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-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" "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] d74941085889df4bf0713515193293784fc43fb028a3a6a108873857c3eb789f
[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" "d74941085889df4bf0713515193293784fc43fb028a3a6a108873857c3eb789f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d74941085889df4bf0713515193293784fc43fb028a3a6a108873857c3eb789f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74941085889df4bf0713515193293784fc43fb028a3a6a108873857c3eb789f", kill_on_drop: false }`
[INFO] [stdout] d74941085889df4bf0713515193293784fc43fb028a3a6a108873857c3eb789f
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e72da8b4e1f5602ab178e72c59060394c5d8328dbeb35bb99de84082ff518caf
[INFO] running `Command { std: "docker" "start" "-a" "e72da8b4e1f5602ab178e72c59060394c5d8328dbeb35bb99de84082ff518caf", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_lcg v0.1.0
[INFO] [stderr]     Checking sfmt v0.6.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking random_number_generators v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "e72da8b4e1f5602ab178e72c59060394c5d8328dbeb35bb99de84082ff518caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72da8b4e1f5602ab178e72c59060394c5d8328dbeb35bb99de84082ff518caf", kill_on_drop: false }`
[INFO] [stdout] e72da8b4e1f5602ab178e72c59060394c5d8328dbeb35bb99de84082ff518caf