[INFO] fetching crate better-future 0.0.0...
[INFO] testing better-future-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate better-future 0.0.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate better-future 0.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate better-future 0.0.0
[INFO] finished tweaking crates.io crate better-future 0.0.0
[INFO] tweaked toml for crates.io crate better-future 0.0.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 768643840aa70cac7b2f2c135b8d4fbcdc44b1f6914b75a3b48dcc0ec54aa634
[INFO] running `Command { std: "docker" "start" "-a" "768643840aa70cac7b2f2c135b8d4fbcdc44b1f6914b75a3b48dcc0ec54aa634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "768643840aa70cac7b2f2c135b8d4fbcdc44b1f6914b75a3b48dcc0ec54aa634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768643840aa70cac7b2f2c135b8d4fbcdc44b1f6914b75a3b48dcc0ec54aa634", kill_on_drop: false }`
[INFO] [stdout] 768643840aa70cac7b2f2c135b8d4fbcdc44b1f6914b75a3b48dcc0ec54aa634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cda1850e1f1cf5c26994979961305a9e94ed02708ebda37996ba73d2a4af879
[INFO] running `Command { std: "docker" "start" "-a" "8cda1850e1f1cf5c26994979961305a9e94ed02708ebda37996ba73d2a4af879", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-future v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "8cda1850e1f1cf5c26994979961305a9e94ed02708ebda37996ba73d2a4af879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cda1850e1f1cf5c26994979961305a9e94ed02708ebda37996ba73d2a4af879", kill_on_drop: false }`
[INFO] [stdout] 8cda1850e1f1cf5c26994979961305a9e94ed02708ebda37996ba73d2a4af879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 206609d87e44f14e142387a7bc78b785232b600aea3d82d4f15ac820e4057b26
[INFO] running `Command { std: "docker" "start" "-a" "206609d87e44f14e142387a7bc78b785232b600aea3d82d4f15ac820e4057b26", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-future v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "206609d87e44f14e142387a7bc78b785232b600aea3d82d4f15ac820e4057b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206609d87e44f14e142387a7bc78b785232b600aea3d82d4f15ac820e4057b26", kill_on_drop: false }`
[INFO] [stdout] 206609d87e44f14e142387a7bc78b785232b600aea3d82d4f15ac820e4057b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ce09fe711c41055b0d905b4f1b96ae61bc464bc7fa8283b6753757a93d27164
[INFO] running `Command { std: "docker" "start" "-a" "0ce09fe711c41055b0d905b4f1b96ae61bc464bc7fa8283b6753757a93d27164", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/better_future-42755b5f77708c2c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests better-future
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "0ce09fe711c41055b0d905b4f1b96ae61bc464bc7fa8283b6753757a93d27164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce09fe711c41055b0d905b4f1b96ae61bc464bc7fa8283b6753757a93d27164", kill_on_drop: false }`
[INFO] [stdout] 0ce09fe711c41055b0d905b4f1b96ae61bc464bc7fa8283b6753757a93d27164