[INFO] fetching crate demes-forward 0.5.0...
[INFO] checking demes-forward-0.5.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate demes-forward 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate demes-forward 0.5.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate demes-forward 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate demes-forward 0.5.0
[INFO] tweaked toml for crates.io crate demes-forward 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate demes-forward 0.5.0 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded demes v0.6.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97be87aa0dcdd2cb602c6e185b749f7fdf9bfbbc7dd5d4a452a4b56845f4d309
[INFO] running `Command { std: "docker" "start" "-a" "97be87aa0dcdd2cb602c6e185b749f7fdf9bfbbc7dd5d4a452a4b56845f4d309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97be87aa0dcdd2cb602c6e185b749f7fdf9bfbbc7dd5d4a452a4b56845f4d309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97be87aa0dcdd2cb602c6e185b749f7fdf9bfbbc7dd5d4a452a4b56845f4d309", kill_on_drop: false }`
[INFO] [stdout] 97be87aa0dcdd2cb602c6e185b749f7fdf9bfbbc7dd5d4a452a4b56845f4d309
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761ceb9d39694acea035cd0866c557d1d699aab5f9ba2ae31edab8fbbdfb820e
[INFO] running `Command { std: "docker" "start" "-a" "761ceb9d39694acea035cd0866c557d1d699aab5f9ba2ae31edab8fbbdfb820e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling demes v0.6.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking serde_yaml v0.9.21
[INFO] [stderr]     Checking demes-forward v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.82s
[INFO] running `Command { std: "docker" "inspect" "761ceb9d39694acea035cd0866c557d1d699aab5f9ba2ae31edab8fbbdfb820e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761ceb9d39694acea035cd0866c557d1d699aab5f9ba2ae31edab8fbbdfb820e", kill_on_drop: false }`
[INFO] [stdout] 761ceb9d39694acea035cd0866c557d1d699aab5f9ba2ae31edab8fbbdfb820e