[INFO] fetching crate tailsome 1.0.0...
[INFO] checking tailsome-1.0.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate tailsome 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tailsome 1.0.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tailsome 1.0.0
[INFO] finished tweaking crates.io crate tailsome 1.0.0
[INFO] tweaked toml for crates.io crate tailsome 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding rstest v0.16.0 (latest: v0.22.0)
[INFO] [stderr]       Adding rstest_macros v0.16.0 (latest: v0.22.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0974822c5e4a4b9f0781bb42cdc2903f02f2cf9aa908b37fddd6fd55057183e2
[INFO] running `Command { std: "docker" "start" "-a" "0974822c5e4a4b9f0781bb42cdc2903f02f2cf9aa908b37fddd6fd55057183e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0974822c5e4a4b9f0781bb42cdc2903f02f2cf9aa908b37fddd6fd55057183e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0974822c5e4a4b9f0781bb42cdc2903f02f2cf9aa908b37fddd6fd55057183e2", kill_on_drop: false }`
[INFO] [stdout] 0974822c5e4a4b9f0781bb42cdc2903f02f2cf9aa908b37fddd6fd55057183e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2163ebd316f7684230c6aa488fbf739ee703eaf8ec7950debd8a51d3bc0429c8
[INFO] running `Command { std: "docker" "start" "-a" "2163ebd316f7684230c6aa488fbf739ee703eaf8ec7950debd8a51d3bc0429c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rstest_macros v0.16.0
[INFO] [stderr]     Checking tailsome v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rstest v0.16.0
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> tests/result.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(_) => unreachable!(),
[INFO] [stdout]    |         ^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "2163ebd316f7684230c6aa488fbf739ee703eaf8ec7950debd8a51d3bc0429c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2163ebd316f7684230c6aa488fbf739ee703eaf8ec7950debd8a51d3bc0429c8", kill_on_drop: false }`
[INFO] [stdout] 2163ebd316f7684230c6aa488fbf739ee703eaf8ec7950debd8a51d3bc0429c8