[INFO] cloning repository https://github.com/rnitta/stepn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rnitta/stepn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnitta%2Fstepn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnitta%2Fstepn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eb171e7f517d6045272f184dbae2f4da593860d
[INFO] checking rnitta/stepn against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnitta%2Fstepn" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rnitta/stepn
[INFO] finished tweaking git repo https://github.com/rnitta/stepn
[INFO] tweaked toml for git repo https://github.com/rnitta/stepn written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rnitta/stepn on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rnitta/stepn 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `stepn` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.26
[INFO] [stderr]   Downloaded seahorse v2.1.0
[INFO] [stderr]   Downloaded tokio-util v0.7.2
[INFO] [stderr]   Downloaded parking_lot v0.12.0
[INFO] [stderr]   Downloaded tracing v0.1.34
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded tokio v1.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99
[INFO] running `Command { std: "docker" "start" "1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `stepn` (manifest) generated 1 warning
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking seahorse v2.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking sysinfo v0.33.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking tokio-stream v0.1.11
[INFO] [stderr]     Checking stepn v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.29.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 10`
[INFO] running `Command { std: "docker" "inspect" "1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99", kill_on_drop: false }`
[INFO] [stdout] 1995daf122e16d03185e30cd0002df018b857aabaf9116eafa4b6690f55a8b99
