[INFO] cloning repository https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benaryorg/rust-studious_octo_computing_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cb55fa1dc96191b2b0ea6e51d02e7f75d290861
[INFO] checking benaryorg/rust-studious_octo_computing_machine against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benaryorg/rust-studious_octo_computing_machine on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] finished tweaking git repo https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] tweaked toml for git repo https://github.com/benaryorg/rust-studious_octo_computing_machine written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/benaryorg/rust-studious_octo_computing_machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v0.1.46
[INFO] [stderr]   Downloaded atom v0.3.4
[INFO] [stderr]   Downloaded threadpool v0.1.4
[INFO] [stderr]   Downloaded daemonize v0.1.0
[INFO] [stderr]   Downloaded flexi_logger v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 587a4e2e835354e8d3358fe2d1cad3a0b16a653634e1976745209e7418412a06
[INFO] running `Command { std: "docker" "start" "-a" "587a4e2e835354e8d3358fe2d1cad3a0b16a653634e1976745209e7418412a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "587a4e2e835354e8d3358fe2d1cad3a0b16a653634e1976745209e7418412a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587a4e2e835354e8d3358fe2d1cad3a0b16a653634e1976745209e7418412a06", kill_on_drop: false }`
[INFO] [stdout] 587a4e2e835354e8d3358fe2d1cad3a0b16a653634e1976745209e7418412a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3da74d7f2dba6f0cdaab8465896bdec23a19007d8e07b9b6c2c582e78969fb7
[INFO] running `Command { std: "docker" "start" "-a" "a3da74d7f2dba6f0cdaab8465896bdec23a19007d8e07b9b6c2c582e78969fb7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking glob v0.2.10
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]     Checking threadpool v0.1.4
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking log v0.3.4
[INFO] [stderr]     Checking daemonize v0.1.0
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.4.0
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking regex v0.1.46
[INFO] [stderr]     Checking flexi_logger v0.3.2
[INFO] [stderr]     Checking unixsock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "a3da74d7f2dba6f0cdaab8465896bdec23a19007d8e07b9b6c2c582e78969fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3da74d7f2dba6f0cdaab8465896bdec23a19007d8e07b9b6c2c582e78969fb7", kill_on_drop: false }`
[INFO] [stdout] a3da74d7f2dba6f0cdaab8465896bdec23a19007d8e07b9b6c2c582e78969fb7