[INFO] fetching crate evelyn 0.1.0...
[INFO] testing evelyn-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate evelyn 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate evelyn 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evelyn 0.1.0
[INFO] finished tweaking crates.io crate evelyn 0.1.0
[INFO] tweaked toml for crates.io crate evelyn 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3494409f14e435d14bb6b667b2f70b62189876277066dc2848ddded46e93984
[INFO] running `Command { std: "docker" "start" "-a" "e3494409f14e435d14bb6b667b2f70b62189876277066dc2848ddded46e93984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3494409f14e435d14bb6b667b2f70b62189876277066dc2848ddded46e93984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3494409f14e435d14bb6b667b2f70b62189876277066dc2848ddded46e93984", kill_on_drop: false }`
[INFO] [stdout] e3494409f14e435d14bb6b667b2f70b62189876277066dc2848ddded46e93984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c77df0add0d93c960940ca934d775cff21a16fd27276d23e1d17edb9202941
[INFO] running `Command { std: "docker" "start" "-a" "f3c77df0add0d93c960940ca934d775cff21a16fd27276d23e1d17edb9202941", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling evelyn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         A,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]    --> src/lib.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         B,
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "f3c77df0add0d93c960940ca934d775cff21a16fd27276d23e1d17edb9202941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c77df0add0d93c960940ca934d775cff21a16fd27276d23e1d17edb9202941", kill_on_drop: false }`
[INFO] [stdout] f3c77df0add0d93c960940ca934d775cff21a16fd27276d23e1d17edb9202941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 625ee41e6ebbbb2578c4ee01df89631e01bf00eb4927c387314d160685b336fa
[INFO] running `Command { std: "docker" "start" "-a" "625ee41e6ebbbb2578c4ee01df89631e01bf00eb4927c387314d160685b336fa", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         A,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling evelyn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]    --> src/lib.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         B,
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         A,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]    --> src/lib.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         B,
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "625ee41e6ebbbb2578c4ee01df89631e01bf00eb4927c387314d160685b336fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625ee41e6ebbbb2578c4ee01df89631e01bf00eb4927c387314d160685b336fa", kill_on_drop: false }`
[INFO] [stdout] 625ee41e6ebbbb2578c4ee01df89631e01bf00eb4927c387314d160685b336fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e035a604810c81bc251c064ece897ba88dda592d686e7c085ae979028d146ea9
[INFO] running `Command { std: "docker" "start" "-a" "e035a604810c81bc251c064ece897ba88dda592d686e7c085ae979028d146ea9", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]    --> src/lib.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         A,
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]    --> src/lib.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         B,
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: `evelyn` (lib) generated 2 warnings
[INFO] [stderr] warning: `evelyn` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/evelyn-0cb7e485f324abd6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests evelyn
[INFO] [stdout] test tests::can_accept_subscribers ... ok
[INFO] [stdout] test tests::subscriber_recieves_events ... ok
[INFO] [stdout] test tests::bus_terminated_by_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Discriminant (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Discriminant (line 20) stdout ----
[INFO] [stdout] error: expected one of `::`, `;`, or `as`, found keyword `use`
[INFO] [stdout]  --> src/lib.rs:22:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | use evelyn::Message
[INFO] [stdout]   |                    - expected one of `::`, `;`, or `as`
[INFO] [stdout] 5 | use evelyn::Discriminant
[INFO] [stdout]   | ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Discriminant (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "e035a604810c81bc251c064ece897ba88dda592d686e7c085ae979028d146ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e035a604810c81bc251c064ece897ba88dda592d686e7c085ae979028d146ea9", kill_on_drop: false }`
[INFO] [stdout] e035a604810c81bc251c064ece897ba88dda592d686e7c085ae979028d146ea9