[INFO] fetching crate seam_argparse_proc_macro 0.1.1...
[INFO] checking seam_argparse_proc_macro-0.1.1 against f3df2feb79b2422c028f78855ec6ffe2e212d7cc for pr-163699
[INFO] extracting crate seam_argparse_proc_macro 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate seam_argparse_proc_macro 0.1.1
[INFO] finished tweaking crates.io crate seam_argparse_proc_macro 0.1.1
[INFO] tweaked toml for crates.io crate seam_argparse_proc_macro 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seam_argparse_proc_macro 0.1.1 on toolchain f3df2feb79b2422c028f78855ec6ffe2e212d7cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seam_argparse_proc_macro 0.1.1 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" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e
[INFO] running `Command { std: "docker" "start" "85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e", 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" "85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e", 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" "85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.89
[INFO] [stderr]     Checking seam_argparse_proc_macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `proc_macro_span` is declared but not used
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_span)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `proc_macro_span` is declared but not used
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_span)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e", kill_on_drop: false }`
[INFO] [stdout] 85ca3d14b9eb4cbd7309076c8b48eed6fe31da5a2a699325bb4217cc70c3211e
