[INFO] fetching crate atomic-bitvec 0.1.1...
[INFO] testing atomic-bitvec-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate atomic-bitvec 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate atomic-bitvec 0.1.1
[INFO] finished tweaking crates.io crate atomic-bitvec 0.1.1
[INFO] tweaked toml for crates.io crate atomic-bitvec 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate atomic-bitvec 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9fbc4ec35bcce8f3c79667b1dad007c4cb1f2c5a6762f1e5e6d89445f2b8ee1
[INFO] running `Command { std: "docker" "start" "-a" "a9fbc4ec35bcce8f3c79667b1dad007c4cb1f2c5a6762f1e5e6d89445f2b8ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9fbc4ec35bcce8f3c79667b1dad007c4cb1f2c5a6762f1e5e6d89445f2b8ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fbc4ec35bcce8f3c79667b1dad007c4cb1f2c5a6762f1e5e6d89445f2b8ee1", kill_on_drop: false }`
[INFO] [stdout] a9fbc4ec35bcce8f3c79667b1dad007c4cb1f2c5a6762f1e5e6d89445f2b8ee1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 251e5ef5555c1a318ff88a60167c742ce5a138d42c167ff1fac738ec3b5a2853
[INFO] running `Command { std: "docker" "start" "-a" "251e5ef5555c1a318ff88a60167c742ce5a138d42c167ff1fac738ec3b5a2853", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic-bitvec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0053]: method `advance_by` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:356:43
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn advance_by(&mut self, n: usize) -> Result<(), usize> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^ expected `NonZero<usize>`, found `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&mut Iter<'_, _>, _) -> Result<_, NonZero<usize>>`
[INFO] [stdout]                found signature `fn(&mut Iter<'_, _>, _) -> Result<_, usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 356 -     fn advance_by(&mut self, n: usize) -> Result<(), usize> {
[INFO] [stdout] 356 +     fn advance_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic-bitvec` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "251e5ef5555c1a318ff88a60167c742ce5a138d42c167ff1fac738ec3b5a2853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251e5ef5555c1a318ff88a60167c742ce5a138d42c167ff1fac738ec3b5a2853", kill_on_drop: false }`
[INFO] [stdout] 251e5ef5555c1a318ff88a60167c742ce5a138d42c167ff1fac738ec3b5a2853