[INFO] fetching crate backpack 0.1.0...
[INFO] testing backpack-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate backpack 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate backpack 0.1.0 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 backpack 0.1.0
[INFO] finished tweaking crates.io crate backpack 0.1.0
[INFO] tweaked toml for crates.io crate backpack 0.1.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1fdd158948be2d6df689a674d84fea3ad4f392a74070a00efb38841a10b7f4e8
[INFO] running `Command { std: "docker" "start" "-a" "1fdd158948be2d6df689a674d84fea3ad4f392a74070a00efb38841a10b7f4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fdd158948be2d6df689a674d84fea3ad4f392a74070a00efb38841a10b7f4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fdd158948be2d6df689a674d84fea3ad4f392a74070a00efb38841a10b7f4e8", kill_on_drop: false }`
[INFO] [stdout] 1fdd158948be2d6df689a674d84fea3ad4f392a74070a00efb38841a10b7f4e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f3e0ae0c88e1ea41aee5b62109a8043e5a316a8fb96d63faf2673c3fd89080f4
[INFO] running `Command { std: "docker" "start" "-a" "f3e0ae0c88e1ea41aee5b62109a8043e5a316a8fb96d63faf2673c3fd89080f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling backpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `File`
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "f3e0ae0c88e1ea41aee5b62109a8043e5a316a8fb96d63faf2673c3fd89080f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e0ae0c88e1ea41aee5b62109a8043e5a316a8fb96d63faf2673c3fd89080f4", kill_on_drop: false }`
[INFO] [stdout] f3e0ae0c88e1ea41aee5b62109a8043e5a316a8fb96d63faf2673c3fd89080f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8d2217fd8dfc389c2f7020e2bb3c2a5b92254ab1b6e47ec17261ddc0fa25a273
[INFO] running `Command { std: "docker" "start" "-a" "8d2217fd8dfc389c2f7020e2bb3c2a5b92254ab1b6e47ec17261ddc0fa25a273", kill_on_drop: false }`
[INFO] [stderr]    Compiling backpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `File`
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `File`
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "8d2217fd8dfc389c2f7020e2bb3c2a5b92254ab1b6e47ec17261ddc0fa25a273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2217fd8dfc389c2f7020e2bb3c2a5b92254ab1b6e47ec17261ddc0fa25a273", kill_on_drop: false }`
[INFO] [stdout] 8d2217fd8dfc389c2f7020e2bb3c2a5b92254ab1b6e47ec17261ddc0fa25a273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7a639ee5bc8d825a8dd9c93fae682e12e239cf2d562a69f13cae9b2533bf9b0f
[INFO] running `Command { std: "docker" "start" "-a" "7a639ee5bc8d825a8dd9c93fae682e12e239cf2d562a69f13cae9b2533bf9b0f", kill_on_drop: false }`
[INFO] [stderr] warning: enum is never used: `File`
[INFO] [stderr]  --> src/file.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum File {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `backpack` (lib) generated 1 warning
[INFO] [stderr] warning: `backpack` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backpack-239fa0b111af06fa)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests backpack
[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 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" "7a639ee5bc8d825a8dd9c93fae682e12e239cf2d562a69f13cae9b2533bf9b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a639ee5bc8d825a8dd9c93fae682e12e239cf2d562a69f13cae9b2533bf9b0f", kill_on_drop: false }`
[INFO] [stdout] 7a639ee5bc8d825a8dd9c93fae682e12e239cf2d562a69f13cae9b2533bf9b0f