[INFO] fetching crate rotbuf 0.0.3...
[INFO] testing rotbuf-0.0.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rotbuf 0.0.3 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rotbuf 0.0.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 546c3ad41c243f67e2a02679efd8a5cabdd37db8e38beaf2f7634158dd91def6
[INFO] running `Command { std: "docker" "start" "-a" "546c3ad41c243f67e2a02679efd8a5cabdd37db8e38beaf2f7634158dd91def6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "546c3ad41c243f67e2a02679efd8a5cabdd37db8e38beaf2f7634158dd91def6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546c3ad41c243f67e2a02679efd8a5cabdd37db8e38beaf2f7634158dd91def6", kill_on_drop: false }`
[INFO] [stdout] 546c3ad41c243f67e2a02679efd8a5cabdd37db8e38beaf2f7634158dd91def6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78124e5746f9edd7121c05f53e14572459234abc0f8753f170c69c3d09730d21
[INFO] running `Command { std: "docker" "start" "-a" "78124e5746f9edd7121c05f53e14572459234abc0f8753f170c69c3d09730d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotbuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "78124e5746f9edd7121c05f53e14572459234abc0f8753f170c69c3d09730d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78124e5746f9edd7121c05f53e14572459234abc0f8753f170c69c3d09730d21", kill_on_drop: false }`
[INFO] [stdout] 78124e5746f9edd7121c05f53e14572459234abc0f8753f170c69c3d09730d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699f2d453034f549446c4365b126e92a67cd5472cbadfde1b856a077ed259c67
[INFO] running `Command { std: "docker" "start" "-a" "699f2d453034f549446c4365b126e92a67cd5472cbadfde1b856a077ed259c67", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotbuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "699f2d453034f549446c4365b126e92a67cd5472cbadfde1b856a077ed259c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699f2d453034f549446c4365b126e92a67cd5472cbadfde1b856a077ed259c67", kill_on_drop: false }`
[INFO] [stdout] 699f2d453034f549446c4365b126e92a67cd5472cbadfde1b856a077ed259c67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b62cd9d0a7e7c3ab9336056312fa24090fd8072b661954cbd31b5812099f268
[INFO] running `Command { std: "docker" "start" "-a" "7b62cd9d0a7e7c3ab9336056312fa24090fd8072b661954cbd31b5812099f268", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rotbuf-2aeb89494c7da32c)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::test_enqueue_dequeue ... ok
[INFO] [stdout] test test::test_len ... ok
[INFO] [stdout] test test::test_enqueue_at_capacity ... ok
[INFO] [stdout] test test::test_len_wrapped ... ok
[INFO] [stdout] test test::test_peek_functions ... ok
[INFO] [stdout] test test::test_peek_last_functions ... ok
[INFO] [stdout] test test::test_peek_first_functions ... ok
[INFO] [stdout] test test::test_wrapping ... ok
[INFO] [stdout] test test::test_peek_at_functions ... ok
[INFO] [stdout] test test::test_new_panics_empty - should panic ... ok
[INFO] [stderr]    Doc-tests rotbuf
[INFO] [stdout] test test::test_new_panics_with_small_size_1 - should panic ... ok
[INFO] [stdout] test test::test_new_panics_with_small_size_2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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 43) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 34) ... 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] 24 | 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 43) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `rb` in this scope
[INFO] [stdout]   --> src/lib.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | 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 34) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `rb` in this scope
[INFO] [stdout]   --> src/lib.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | 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 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7b62cd9d0a7e7c3ab9336056312fa24090fd8072b661954cbd31b5812099f268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b62cd9d0a7e7c3ab9336056312fa24090fd8072b661954cbd31b5812099f268", kill_on_drop: false }`
[INFO] [stdout] 7b62cd9d0a7e7c3ab9336056312fa24090fd8072b661954cbd31b5812099f268