[INFO] fetching crate gain 0.4.1...
[INFO] testing gain-0.4.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate gain 0.4.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate gain 0.4.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gain 0.4.1
[INFO] finished tweaking crates.io crate gain 0.4.1
[INFO] tweaked toml for crates.io crate gain 0.4.1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5040ba2eaba8d55a6f1acc089dc57f4fc770cd3aee3f52e340d062d355f1c606
[INFO] running `Command { std: "docker" "start" "-a" "5040ba2eaba8d55a6f1acc089dc57f4fc770cd3aee3f52e340d062d355f1c606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5040ba2eaba8d55a6f1acc089dc57f4fc770cd3aee3f52e340d062d355f1c606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5040ba2eaba8d55a6f1acc089dc57f4fc770cd3aee3f52e340d062d355f1c606", kill_on_drop: false }`
[INFO] [stdout] 5040ba2eaba8d55a6f1acc089dc57f4fc770cd3aee3f52e340d062d355f1c606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94b9b7b7f04fc37360ea88a1925b90286f15603113aa41ae25c2dfb4c7d6c85f
[INFO] running `Command { std: "docker" "start" "-a" "94b9b7b7f04fc37360ea88a1925b90286f15603113aa41ae25c2dfb4c7d6c85f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling gain v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "94b9b7b7f04fc37360ea88a1925b90286f15603113aa41ae25c2dfb4c7d6c85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b9b7b7f04fc37360ea88a1925b90286f15603113aa41ae25c2dfb4c7d6c85f", kill_on_drop: false }`
[INFO] [stdout] 94b9b7b7f04fc37360ea88a1925b90286f15603113aa41ae25c2dfb4c7d6c85f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9609ba9d2ef5091ce74cc7286373a65c43410dccddd3d9cc250b202e11f3f1b
[INFO] running `Command { std: "docker" "start" "-a" "a9609ba9d2ef5091ce74cc7286373a65c43410dccddd3d9cc250b202e11f3f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gain v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "a9609ba9d2ef5091ce74cc7286373a65c43410dccddd3d9cc250b202e11f3f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9609ba9d2ef5091ce74cc7286373a65c43410dccddd3d9cc250b202e11f3f1b", kill_on_drop: false }`
[INFO] [stdout] a9609ba9d2ef5091ce74cc7286373a65c43410dccddd3d9cc250b202e11f3f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f4b3dea1116d1c2daa58c4e3bf0ab45636bb544db4b6ba367e735432afb77b3
[INFO] running `Command { std: "docker" "start" "-a" "5f4b3dea1116d1c2daa58c4e3bf0ab45636bb544db4b6ba367e735432afb77b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gain-e10ae4e46e04bf77)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gain
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] test src/task.rs - task::spawn_local (line 71) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 14) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `do_something` in this scope
[INFO] [stdout]  --> src/lib.rs:20:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         do_something().await;
[INFO] [stdout]   |         ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `do_stuff` in this scope
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     do_stuff().await;
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "5f4b3dea1116d1c2daa58c4e3bf0ab45636bb544db4b6ba367e735432afb77b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4b3dea1116d1c2daa58c4e3bf0ab45636bb544db4b6ba367e735432afb77b3", kill_on_drop: false }`
[INFO] [stdout] 5f4b3dea1116d1c2daa58c4e3bf0ab45636bb544db4b6ba367e735432afb77b3