[INFO] cloning repository https://github.com/TrecApps/rust-crates-programming-dunce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrecApps/rust-crates-programming-dunce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrecApps%2Frust-crates-programming-dunce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrecApps%2Frust-crates-programming-dunce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66cfea56a4bb435d4e5b6bbcc137216b43a65ad6
[INFO] checking TrecApps/rust-crates-programming-dunce against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrecApps%2Frust-crates-programming-dunce" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrecApps/rust-crates-programming-dunce on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrecApps/rust-crates-programming-dunce
[INFO] finished tweaking git repo https://github.com/TrecApps/rust-crates-programming-dunce
[INFO] tweaked toml for git repo https://github.com/TrecApps/rust-crates-programming-dunce written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/TrecApps/rust-crates-programming-dunce already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f513042669f5c7f0eeba601ea9ff8ac53dfff188fd3db663065f0ba7734bfbfb
[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" "f513042669f5c7f0eeba601ea9ff8ac53dfff188fd3db663065f0ba7734bfbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f513042669f5c7f0eeba601ea9ff8ac53dfff188fd3db663065f0ba7734bfbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f513042669f5c7f0eeba601ea9ff8ac53dfff188fd3db663065f0ba7734bfbfb", kill_on_drop: false }`
[INFO] [stdout] f513042669f5c7f0eeba601ea9ff8ac53dfff188fd3db663065f0ba7734bfbfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f160a0ca16c2b48f7c2b88c75484f6d1d17effef9ffa2d9efc14b4367a84158a
[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" "f160a0ca16c2b48f7c2b88c75484f6d1d17effef9ffa2d9efc14b4367a84158a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking blowfish v0.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bcrypt v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.3
[INFO] [stderr]     Checking random-number v0.1.3
[INFO] [stderr]     Checking random-pick v1.2.13
[INFO] [stderr]     Checking passwords v3.1.3
[INFO] [stderr]     Checking extern_crate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.32s
[INFO] running `Command { std: "docker" "inspect" "f160a0ca16c2b48f7c2b88c75484f6d1d17effef9ffa2d9efc14b4367a84158a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f160a0ca16c2b48f7c2b88c75484f6d1d17effef9ffa2d9efc14b4367a84158a", kill_on_drop: false }`
[INFO] [stdout] f160a0ca16c2b48f7c2b88c75484f6d1d17effef9ffa2d9efc14b4367a84158a