[INFO] cloning repository https://github.com/SAMIR897/mini_chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SAMIR897/mini_chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAMIR897%2Fmini_chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAMIR897%2Fmini_chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1764a0045f4ce11241ebc36f91117445b7d86141
[INFO] checking SAMIR897/mini_chain/1764a0045f4ce11241ebc36f91117445b7d86141 against master#fd0c901b00ee1e08a250039cdb90258603497e20 for pr-153692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAMIR897%2Fmini_chain" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SAMIR897/mini_chain
[INFO] finished tweaking git repo https://github.com/SAMIR897/mini_chain
[INFO] tweaked toml for git repo https://github.com/SAMIR897/mini_chain written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SAMIR897/mini_chain on toolchain fd0c901b00ee1e08a250039cdb90258603497e20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SAMIR897/mini_chain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48ba86f636fff4f25bbe0da9365a8cb963d50f360e5d897438699abadefc95d0
[INFO] running `Command { std: "docker" "start" "-a" "48ba86f636fff4f25bbe0da9365a8cb963d50f360e5d897438699abadefc95d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48ba86f636fff4f25bbe0da9365a8cb963d50f360e5d897438699abadefc95d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ba86f636fff4f25bbe0da9365a8cb963d50f360e5d897438699abadefc95d0", kill_on_drop: false }`
[INFO] [stdout] 48ba86f636fff4f25bbe0da9365a8cb963d50f360e5d897438699abadefc95d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fac1d61ca525f71481f3b7ffe0a0b03e49d4d8c2570247536a3265a3e63c310e
[INFO] running `Command { std: "docker" "start" "-a" "fac1d61ca525f71481f3b7ffe0a0b03e49d4d8c2570247536a3265a3e63c310e", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking iana-time-zone v0.1.65
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking mini_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.15s
[INFO] running `Command { std: "docker" "inspect" "fac1d61ca525f71481f3b7ffe0a0b03e49d4d8c2570247536a3265a3e63c310e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac1d61ca525f71481f3b7ffe0a0b03e49d4d8c2570247536a3265a3e63c310e", kill_on_drop: false }`
[INFO] [stdout] fac1d61ca525f71481f3b7ffe0a0b03e49d4d8c2570247536a3265a3e63c310e