[INFO] fetching crate loaf 0.1.0-alpha6...
[INFO] testing loaf-0.1.0-alpha6 against 1.54.0 for beta-1.55-1
[INFO] extracting crate loaf 0.1.0-alpha6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate loaf 0.1.0-alpha6 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loaf 0.1.0-alpha6
[INFO] finished tweaking crates.io crate loaf 0.1.0-alpha6
[INFO] tweaked toml for crates.io crate loaf 0.1.0-alpha6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72e3847ffff6e1e117eda25cdf9ed2dac4742241e9194cbd2b2dcf4c5bdf252d
[INFO] running `Command { std: "docker" "start" "-a" "72e3847ffff6e1e117eda25cdf9ed2dac4742241e9194cbd2b2dcf4c5bdf252d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72e3847ffff6e1e117eda25cdf9ed2dac4742241e9194cbd2b2dcf4c5bdf252d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e3847ffff6e1e117eda25cdf9ed2dac4742241e9194cbd2b2dcf4c5bdf252d", kill_on_drop: false }`
[INFO] [stdout] 72e3847ffff6e1e117eda25cdf9ed2dac4742241e9194cbd2b2dcf4c5bdf252d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e128945f4e2dbe8c6347f6a9c0443eac8b3ffc00755b3c0287bacfce8b40a9a
[INFO] running `Command { std: "docker" "start" "-a" "4e128945f4e2dbe8c6347f6a9c0443eac8b3ffc00755b3c0287bacfce8b40a9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling loaf v0.1.0-alpha6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "4e128945f4e2dbe8c6347f6a9c0443eac8b3ffc00755b3c0287bacfce8b40a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e128945f4e2dbe8c6347f6a9c0443eac8b3ffc00755b3c0287bacfce8b40a9a", kill_on_drop: false }`
[INFO] [stdout] 4e128945f4e2dbe8c6347f6a9c0443eac8b3ffc00755b3c0287bacfce8b40a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8a58aaab7aecd5111ffbef5668cfd28ff7217737fcc6741c778f87a99a6e567
[INFO] running `Command { std: "docker" "start" "-a" "d8a58aaab7aecd5111ffbef5668cfd28ff7217737fcc6741c778f87a99a6e567", kill_on_drop: false }`
[INFO] [stderr]    Compiling loaf v0.1.0-alpha6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "d8a58aaab7aecd5111ffbef5668cfd28ff7217737fcc6741c778f87a99a6e567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a58aaab7aecd5111ffbef5668cfd28ff7217737fcc6741c778f87a99a6e567", kill_on_drop: false }`
[INFO] [stdout] d8a58aaab7aecd5111ffbef5668cfd28ff7217737fcc6741c778f87a99a6e567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c884c240d77f4a75333c91c4c180f3376da252323eb46f2216abf6a7ef36922
[INFO] running `Command { std: "docker" "start" "-a" "4c884c240d77f4a75333c91c4c180f3376da252323eb46f2216abf6a7ef36922", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loaf-926d911533abccae)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/loaf.rs (/opt/rustwide/target/debug/deps/loaf-60af092762a790ae)
[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 3 tests
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test two ... ok
[INFO] [stdout] test one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] [stderr]      Running tests/loaf_alloc.rs (/opt/rustwide/target/debug/deps/loaf_alloc-e32cd97ca3dd9333)
[INFO] [stderr]    Doc-tests loaf
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(any(feature = "nightly", doc), feature(const_generics))]
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "4c884c240d77f4a75333c91c4c180f3376da252323eb46f2216abf6a7ef36922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c884c240d77f4a75333c91c4c180f3376da252323eb46f2216abf6a7ef36922", kill_on_drop: false }`
[INFO] [stdout] 4c884c240d77f4a75333c91c4c180f3376da252323eb46f2216abf6a7ef36922
