[INFO] fetching crate cycle_cursor 0.1.1...
[INFO] testing cycle_cursor-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate cycle_cursor 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate cycle_cursor 0.1.1
[INFO] finished tweaking crates.io crate cycle_cursor 0.1.1
[INFO] tweaked toml for crates.io crate cycle_cursor 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cycle_cursor 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9577de3254adfdb5d663bb08408970c6cb117d6d1d484f3e27a9cfce68166a79
[INFO] running `Command { std: "docker" "start" "-a" "9577de3254adfdb5d663bb08408970c6cb117d6d1d484f3e27a9cfce68166a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9577de3254adfdb5d663bb08408970c6cb117d6d1d484f3e27a9cfce68166a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9577de3254adfdb5d663bb08408970c6cb117d6d1d484f3e27a9cfce68166a79", kill_on_drop: false }`
[INFO] [stdout] 9577de3254adfdb5d663bb08408970c6cb117d6d1d484f3e27a9cfce68166a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7378c515757f58f21551a3e503f4c572a9854011e7ae0866375a4ad5caa6ba
[INFO] running `Command { std: "docker" "start" "-a" "5e7378c515757f58f21551a3e503f4c572a9854011e7ae0866375a4ad5caa6ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling cycle_cursor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "5e7378c515757f58f21551a3e503f4c572a9854011e7ae0866375a4ad5caa6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7378c515757f58f21551a3e503f4c572a9854011e7ae0866375a4ad5caa6ba", kill_on_drop: false }`
[INFO] [stdout] 5e7378c515757f58f21551a3e503f4c572a9854011e7ae0866375a4ad5caa6ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e792c24c17f30c4799a262e70cf6353138bb370ab8de2ebd912cfacadc4986c
[INFO] running `Command { std: "docker" "start" "-a" "0e792c24c17f30c4799a262e70cf6353138bb370ab8de2ebd912cfacadc4986c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cycle_cursor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "0e792c24c17f30c4799a262e70cf6353138bb370ab8de2ebd912cfacadc4986c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e792c24c17f30c4799a262e70cf6353138bb370ab8de2ebd912cfacadc4986c", kill_on_drop: false }`
[INFO] [stdout] 0e792c24c17f30c4799a262e70cf6353138bb370ab8de2ebd912cfacadc4986c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 618b02d2fc2ac65d7eb2bc74138b2e9651b0273cf0dd86d2ea4c3a2269cf5d43
[INFO] running `Command { std: "docker" "start" "-a" "618b02d2fc2ac65d7eb2bc74138b2e9651b0273cf0dd86d2ea4c3a2269cf5d43", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cycle_cursor-b62f041aa8bc1b9e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::cursor_cycle_next ... ok
[INFO] [stdout] test tests::cursor_cycle_prev ... ok
[INFO] [stdout] test tests::cursor_peek_empty_vec ... ok
[INFO] [stdout] test tests::cursor_cycle_next_empty_vec ... ok
[INFO] [stdout] test tests::cursor_cycle_prev_empty_vec ... ok
[INFO] [stdout] test tests::cursor_get_undefined_behavior ... ok
[INFO] [stdout] test tests::cursor_peek ... ok
[INFO] [stdout] test tests::cursor_seek ... ok
[INFO] [stdout] test tests::cursor_seek_empty_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cycle_cursor
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - CycleCursor (line 104) ... ok
[INFO] [stdout] test src/lib.rs - CycleCursor (line 72) ... ok
[INFO] [stdout] test src/lib.rs - CycleCursor (line 48) ... ok
[INFO] [stdout] test src/lib.rs - CycleCursor<T>::seek (line 242) ... ok
[INFO] [stdout] test src/lib.rs - CycleCursor<T>::peek (line 195) ... ok
[INFO] [stdout] test src/lib.rs - CycleCursor<T>::seek (line 225) ... ok
[INFO] [stdout] test src/lib.rs - CycleCursor<T>::peek (line 182) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "618b02d2fc2ac65d7eb2bc74138b2e9651b0273cf0dd86d2ea4c3a2269cf5d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618b02d2fc2ac65d7eb2bc74138b2e9651b0273cf0dd86d2ea4c3a2269cf5d43", kill_on_drop: false }`
[INFO] [stdout] 618b02d2fc2ac65d7eb2bc74138b2e9651b0273cf0dd86d2ea4c3a2269cf5d43