[INFO] fetching crate an 0.0.2...
[INFO] checking an-0.0.2 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate an 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate an 0.0.2 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate an 0.0.2
[INFO] finished tweaking crates.io crate an 0.0.2
[INFO] tweaked toml for crates.io crate an 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ba72d70fbe7b5d58d2f256ff9821bf0a5b18e538565dbb3ca72fb35274f1f9a
[INFO] running `Command { std: "docker" "start" "-a" "6ba72d70fbe7b5d58d2f256ff9821bf0a5b18e538565dbb3ca72fb35274f1f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ba72d70fbe7b5d58d2f256ff9821bf0a5b18e538565dbb3ca72fb35274f1f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba72d70fbe7b5d58d2f256ff9821bf0a5b18e538565dbb3ca72fb35274f1f9a", kill_on_drop: false }`
[INFO] [stdout] 6ba72d70fbe7b5d58d2f256ff9821bf0a5b18e538565dbb3ca72fb35274f1f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da89a816edce5ef847d608bfb63f383bc583cdf59eafc777065876c7c4dad83
[INFO] running `Command { std: "docker" "start" "-a" "0da89a816edce5ef847d608bfb63f383bc583cdf59eafc777065876c7c4dad83", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking an v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/lib.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[experimental]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/lib.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[experimental]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Str` in this scope
[INFO] [stdout]  --> src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn a<S: Str>(word: S) -> bool {
[INFO] [stdout]   |             ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Str` in this scope
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn an<S: Str>(word: S) -> bool {
[INFO] [stdout]    |              ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Str` in this scope
[INFO] [stdout]  --> src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn a<S: Str>(word: S) -> bool {
[INFO] [stdout]   |             ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Str` in this scope
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn an<S: Str>(word: S) -> bool {
[INFO] [stdout]    |              ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `an` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `an` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0da89a816edce5ef847d608bfb63f383bc583cdf59eafc777065876c7c4dad83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da89a816edce5ef847d608bfb63f383bc583cdf59eafc777065876c7c4dad83", kill_on_drop: false }`
[INFO] [stdout] 0da89a816edce5ef847d608bfb63f383bc583cdf59eafc777065876c7c4dad83
