[INFO] cloning repository https://github.com/jackos/rustlings-fix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackos/rustlings-fix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackos%2Frustlings-fix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackos%2Frustlings-fix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75d89fac1fab57044acecec3237c2299c29f8ea9
[INFO] checking jackos/rustlings-fix/75d89fac1fab57044acecec3237c2299c29f8ea9 against master#55e86c996809902e8bbad512cfb4d2c18be446d9 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackos%2Frustlings-fix" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackos/rustlings-fix
[INFO] finished tweaking git repo https://github.com/jackos/rustlings-fix
[INFO] tweaked toml for git repo https://github.com/jackos/rustlings-fix written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackos/rustlings-fix on toolchain 55e86c996809902e8bbad512cfb4d2c18be446d9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackos/rustlings-fix 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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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 serde_derive v1.0.133
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] [stderr]   Downloaded serde v1.0.133
[INFO] [stderr]   Downloaded serde_json v1.0.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa49d96ccc14b256c8243758cb277eb5e4fb715b0fb801ad564472462abbd01
[INFO] running `Command { std: "docker" "start" "-a" "4fa49d96ccc14b256c8243758cb277eb5e4fb715b0fb801ad564472462abbd01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa49d96ccc14b256c8243758cb277eb5e4fb715b0fb801ad564472462abbd01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa49d96ccc14b256c8243758cb277eb5e4fb715b0fb801ad564472462abbd01", kill_on_drop: false }`
[INFO] [stdout] 4fa49d96ccc14b256c8243758cb277eb5e4fb715b0fb801ad564472462abbd01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ec2fcdd890abf4a0c1a1718aa050278f4ada102c80f0ed217ffbf41c3fef9f9
[INFO] running `Command { std: "docker" "start" "-a" "3ec2fcdd890abf4a0c1a1718aa050278f4ada102c80f0ed217ffbf41c3fef9f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking rustlings-fix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `Command { std: "docker" "inspect" "3ec2fcdd890abf4a0c1a1718aa050278f4ada102c80f0ed217ffbf41c3fef9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec2fcdd890abf4a0c1a1718aa050278f4ada102c80f0ed217ffbf41c3fef9f9", kill_on_drop: false }`
[INFO] [stdout] 3ec2fcdd890abf4a0c1a1718aa050278f4ada102c80f0ed217ffbf41c3fef9f9