[INFO] cloning repository https://github.com/nix-community/nix-user-chroot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nix-community/nix-user-chroot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnix-community%2Fnix-user-chroot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnix-community%2Fnix-user-chroot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b4c41f262fe1ff7a8cf374e3b50e6600ccb6a4b
[INFO] checking nix-community/nix-user-chroot against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnix-community%2Fnix-user-chroot" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nix-community/nix-user-chroot 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/nix-community/nix-user-chroot
[INFO] finished tweaking git repo https://github.com/nix-community/nix-user-chroot
[INFO] tweaked toml for git repo https://github.com/nix-community/nix-user-chroot written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/nix-community/nix-user-chroot 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 8fce8b981cc0af7ef6990a325513211e0049f729eaa44ff433708b2c09240eb7
[INFO] running `Command { std: "docker" "start" "-a" "8fce8b981cc0af7ef6990a325513211e0049f729eaa44ff433708b2c09240eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fce8b981cc0af7ef6990a325513211e0049f729eaa44ff433708b2c09240eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fce8b981cc0af7ef6990a325513211e0049f729eaa44ff433708b2c09240eb7", kill_on_drop: false }`
[INFO] [stdout] 8fce8b981cc0af7ef6990a325513211e0049f729eaa44ff433708b2c09240eb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] b9a36d01e289daf54c1df720f865204b2bcf14b646a04ca728b7d4c505d1446d
[INFO] running `Command { std: "docker" "start" "-a" "b9a36d01e289daf54c1df720f865204b2bcf14b646a04ca728b7d4c505d1446d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling nix-user-chroot v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.41s
[INFO] running `Command { std: "docker" "inspect" "b9a36d01e289daf54c1df720f865204b2bcf14b646a04ca728b7d4c505d1446d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a36d01e289daf54c1df720f865204b2bcf14b646a04ca728b7d4c505d1446d", kill_on_drop: false }`
[INFO] [stdout] b9a36d01e289daf54c1df720f865204b2bcf14b646a04ca728b7d4c505d1446d