[INFO] cloning repository https://github.com/Minoru/plentyfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Minoru/plentyfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinoru%2Fplentyfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinoru%2Fplentyfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 621582f70f9412b2d487cb9b1b0aaa3bb7450da4
[INFO] checking Minoru/plentyfs against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinoru%2Fplentyfs" "/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/Minoru/plentyfs on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Minoru/plentyfs
[INFO] finished tweaking git repo https://github.com/Minoru/plentyfs
[INFO] tweaked toml for git repo https://github.com/Minoru/plentyfs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Minoru/plentyfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded fuser v0.7.0
[INFO] [stderr]   Downloaded wasi v0.10.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6c8ff0649f239eb1b5f2a0d9ed925b78b7496abbac0a10d6062475972fb117
[INFO] running `Command { std: "docker" "start" "-a" "9f6c8ff0649f239eb1b5f2a0d9ed925b78b7496abbac0a10d6062475972fb117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6c8ff0649f239eb1b5f2a0d9ed925b78b7496abbac0a10d6062475972fb117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6c8ff0649f239eb1b5f2a0d9ed925b78b7496abbac0a10d6062475972fb117", kill_on_drop: false }`
[INFO] [stdout] 9f6c8ff0649f239eb1b5f2a0d9ed925b78b7496abbac0a10d6062475972fb117
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9ddf9d91638bda010071421641473bee73196a07d30cf4de1cc427f8b2ac7cc
[INFO] running `Command { std: "docker" "start" "-a" "f9ddf9d91638bda010071421641473bee73196a07d30cf4de1cc427f8b2ac7cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling fuser v0.7.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking plentyfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "f9ddf9d91638bda010071421641473bee73196a07d30cf4de1cc427f8b2ac7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ddf9d91638bda010071421641473bee73196a07d30cf4de1cc427f8b2ac7cc", kill_on_drop: false }`
[INFO] [stdout] f9ddf9d91638bda010071421641473bee73196a07d30cf4de1cc427f8b2ac7cc