[INFO] cloning repository https://github.com/findus/neuland-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/findus/neuland-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindus%2Fneuland-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindus%2Fneuland-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7d58bd23bedbf3bcff59a091bf05889a8ce8248
[INFO] checking findus/neuland-rs against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindus%2Fneuland-rs" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/findus/neuland-rs on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/findus/neuland-rs
[INFO] finished tweaking git repo https://github.com/findus/neuland-rs
[INFO] tweaked toml for git repo https://github.com/findus/neuland-rs written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/findus/neuland-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 iptables v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed96083f70c816b2866f4477d0cd73b745bf55b6e4ca56b0ccc5177a4bee5fb8
[INFO] running `Command { std: "docker" "start" "-a" "ed96083f70c816b2866f4477d0cd73b745bf55b6e4ca56b0ccc5177a4bee5fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed96083f70c816b2866f4477d0cd73b745bf55b6e4ca56b0ccc5177a4bee5fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed96083f70c816b2866f4477d0cd73b745bf55b6e4ca56b0ccc5177a4bee5fb8", kill_on_drop: false }`
[INFO] [stdout] ed96083f70c816b2866f4477d0cd73b745bf55b6e4ca56b0ccc5177a4bee5fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89d5bd3766b652d44e3494f8a4de11e928ae2a4ee2c253815929e3c7ca51ada6
[INFO] running `Command { std: "docker" "start" "-a" "89d5bd3766b652d44e3494f8a4de11e928ae2a4ee2c253815929e3c7ca51ada6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking iptables v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking neuland-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.66s
[INFO] running `Command { std: "docker" "inspect" "89d5bd3766b652d44e3494f8a4de11e928ae2a4ee2c253815929e3c7ca51ada6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d5bd3766b652d44e3494f8a4de11e928ae2a4ee2c253815929e3c7ca51ada6", kill_on_drop: false }`
[INFO] [stdout] 89d5bd3766b652d44e3494f8a4de11e928ae2a4ee2c253815929e3c7ca51ada6