[INFO] fetching crate rotbuf 0.0.3...
[INFO] testing rotbuf-0.0.3 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate rotbuf 0.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rotbuf 0.0.3
[INFO] finished tweaking crates.io crate rotbuf 0.0.3
[INFO] tweaked toml for crates.io crate rotbuf 0.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rotbuf 0.0.3 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddd7e9b87bd23683a82123455e5147050679a72703361ce3bcd3fca21806523c
[INFO] running `Command { std: "docker" "start" "-a" "ddd7e9b87bd23683a82123455e5147050679a72703361ce3bcd3fca21806523c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd7e9b87bd23683a82123455e5147050679a72703361ce3bcd3fca21806523c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd7e9b87bd23683a82123455e5147050679a72703361ce3bcd3fca21806523c", kill_on_drop: false }`
[INFO] [stdout] ddd7e9b87bd23683a82123455e5147050679a72703361ce3bcd3fca21806523c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b557711c07a6ffd1e858a0a585e8a9c7ab83341f340a5a5ed6279460ce08f19
[INFO] running `Command { std: "docker" "start" "-a" "7b557711c07a6ffd1e858a0a585e8a9c7ab83341f340a5a5ed6279460ce08f19", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotbuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "7b557711c07a6ffd1e858a0a585e8a9c7ab83341f340a5a5ed6279460ce08f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b557711c07a6ffd1e858a0a585e8a9c7ab83341f340a5a5ed6279460ce08f19", kill_on_drop: false }`
[INFO] [stdout] 7b557711c07a6ffd1e858a0a585e8a9c7ab83341f340a5a5ed6279460ce08f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd8c8cc9eb15feadf14be174e82a27be79440b3c088db23ac049cf11ded8450c
[INFO] running `Command { std: "docker" "start" "-a" "cd8c8cc9eb15feadf14be174e82a27be79440b3c088db23ac049cf11ded8450c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotbuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "cd8c8cc9eb15feadf14be174e82a27be79440b3c088db23ac049cf11ded8450c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8c8cc9eb15feadf14be174e82a27be79440b3c088db23ac049cf11ded8450c", kill_on_drop: false }`
[INFO] [stdout] cd8c8cc9eb15feadf14be174e82a27be79440b3c088db23ac049cf11ded8450c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39be341952867d6e962829602c8548f7a47cfd6034a8b67a49a590ee479c694f
[INFO] running `Command { std: "docker" "start" "-a" "39be341952867d6e962829602c8548f7a47cfd6034a8b67a49a590ee479c694f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rotbuf-c1485cdb07e7cd36)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::test_enqueue_at_capacity ... ok
[INFO] [stdout] test test::test_len ... ok
[INFO] [stdout] test test::test_enqueue_dequeue ... ok
[INFO] [stdout] test test::test_peek_first_functions ... ok
[INFO] [stdout] test test::test_peek_functions ... ok
[INFO] [stdout] test test::test_peek_last_functions ... ok
[INFO] [stdout] test test::test_peek_at_functions ... ok
[INFO] [stdout] test test::test_len_wrapped ... ok
[INFO] [stdout] test test::test_wrapping ... ok
[INFO] [stdout] test test::test_new_panics_empty - should panic ... ok
[INFO] [stdout] test test::test_new_panics_with_small_size_2 - should panic ... ok
[INFO] [stderr]    Doc-tests rotbuf
[INFO] [stdout] test test::test_new_panics_with_small_size_1 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 43) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 23) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `=`
[INFO] [stdout]  --> src/lib.rs:24:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | rb = RotatingBuffer::new(10);
[INFO] [stdout]   |    ^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 34) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `rb` in this scope
[INFO] [stdout]  --> src/lib.rs:35:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | match rb.enqueue(50) {
[INFO] [stdout]   |       ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 43) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `rb` in this scope
[INFO] [stdout]  --> src/lib.rs:44:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | match rb.enqueue(50) {
[INFO] [stdout]   |       ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 23)
[INFO] [stdout]     src/lib.rs - (line 34)
[INFO] [stdout]     src/lib.rs - (line 43)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "39be341952867d6e962829602c8548f7a47cfd6034a8b67a49a590ee479c694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39be341952867d6e962829602c8548f7a47cfd6034a8b67a49a590ee479c694f", kill_on_drop: false }`
[INFO] [stdout] 39be341952867d6e962829602c8548f7a47cfd6034a8b67a49a590ee479c694f