[INFO] cloning repository https://github.com/puzzle-path-tool/puzzle-path-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/puzzle-path-tool/puzzle-path-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzle-path-tool%2Fpuzzle-path-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzle-path-tool%2Fpuzzle-path-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 437992fc71c4378d1a1a9463139c6e7a4b3879ad
[INFO] checking puzzle-path-tool/puzzle-path-tool against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzle-path-tool%2Fpuzzle-path-tool" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/puzzle-path-tool/puzzle-path-tool
[INFO] finished tweaking git repo https://github.com/puzzle-path-tool/puzzle-path-tool
[INFO] tweaked toml for git repo https://github.com/puzzle-path-tool/puzzle-path-tool written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/puzzle-path-tool/puzzle-path-tool on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/puzzle-path-tool/puzzle-path-tool 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9519d0f90fdf3d3ed3204eee4b3aad345b6d4a37d744d0ccc6d73cbb3a33c02a
[INFO] running `Command { std: "docker" "start" "-a" "9519d0f90fdf3d3ed3204eee4b3aad345b6d4a37d744d0ccc6d73cbb3a33c02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9519d0f90fdf3d3ed3204eee4b3aad345b6d4a37d744d0ccc6d73cbb3a33c02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9519d0f90fdf3d3ed3204eee4b3aad345b6d4a37d744d0ccc6d73cbb3a33c02a", kill_on_drop: false }`
[INFO] [stdout] 9519d0f90fdf3d3ed3204eee4b3aad345b6d4a37d744d0ccc6d73cbb3a33c02a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 647709a2bf3d492628db3828631bbfade65b2986c3adc0a360f2a324fd1f932c
[INFO] running `Command { std: "docker" "start" "-a" "647709a2bf3d492628db3828631bbfade65b2986c3adc0a360f2a324fd1f932c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
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[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]     Checking num_enum v0.7.3
[INFO] [stderr]     Checking puzzle-formats v0.1.0 (/opt/rustwide/workdir/crates/puzzle_formats)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/puzzle_formats/src/serialization.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn as_str(&self) -> Cow<str> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn as_str(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking puzzle-path-tool v0.1.0 (/opt/rustwide/workdir/crates/puzzle_path_tool)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/puzzle_formats/src/serialization.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn as_str(&self) -> Cow<str> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn as_str(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling puzzle-path-tool-c v0.1.0 (/opt/rustwide/workdir/crates/puzzle_path_tool_c)
[INFO] [stderr]    Compiling puzzle-formats-c v0.1.0 (/opt/rustwide/workdir/crates/puzzle_formats_c)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "647709a2bf3d492628db3828631bbfade65b2986c3adc0a360f2a324fd1f932c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647709a2bf3d492628db3828631bbfade65b2986c3adc0a360f2a324fd1f932c", kill_on_drop: false }`
[INFO] [stdout] 647709a2bf3d492628db3828631bbfade65b2986c3adc0a360f2a324fd1f932c