[INFO] cloning repository https://github.com/Woyten/fileserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Woyten/fileserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWoyten%2Ffileserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWoyten%2Ffileserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd545660ef75e6c3165939c0b3a50515ff02a31f
[INFO] checking Woyten/fileserver against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWoyten%2Ffileserver" "/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/Woyten/fileserver on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Woyten/fileserver
[INFO] finished tweaking git repo https://github.com/Woyten/fileserver
[INFO] tweaked toml for git repo https://github.com/Woyten/fileserver written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Woyten/fileserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35250094bd713947a2a525428016084772c82a3862c576b85969875d1c6a69bd
[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" "35250094bd713947a2a525428016084772c82a3862c576b85969875d1c6a69bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35250094bd713947a2a525428016084772c82a3862c576b85969875d1c6a69bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35250094bd713947a2a525428016084772c82a3862c576b85969875d1c6a69bd", kill_on_drop: false }`
[INFO] [stdout] 35250094bd713947a2a525428016084772c82a3862c576b85969875d1c6a69bd
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afcff2a68215f797c7b407c3a7d7c85c1362d920662a16145deea81e637f438f
[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" "afcff2a68215f797c7b407c3a7d7c85c1362d920662a16145deea81e637f438f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]     Checking personal-fileserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.86s
[INFO] running `Command { std: "docker" "inspect" "afcff2a68215f797c7b407c3a7d7c85c1362d920662a16145deea81e637f438f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcff2a68215f797c7b407c3a7d7c85c1362d920662a16145deea81e637f438f", kill_on_drop: false }`
[INFO] [stdout] afcff2a68215f797c7b407c3a7d7c85c1362d920662a16145deea81e637f438f