[INFO] fetching crate write-only 0.1.0...
[INFO] checking write-only-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate write-only 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate write-only 0.1.0
[INFO] finished tweaking crates.io crate write-only 0.1.0
[INFO] tweaked toml for crates.io crate write-only 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate write-only 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c57b1704b913ded81871fa983dd987e4692c4757910eae52c57f14f672e18a78
[INFO] running `Command { std: "docker" "start" "-a" "c57b1704b913ded81871fa983dd987e4692c4757910eae52c57f14f672e18a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57b1704b913ded81871fa983dd987e4692c4757910eae52c57f14f672e18a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57b1704b913ded81871fa983dd987e4692c4757910eae52c57f14f672e18a78", kill_on_drop: false }`
[INFO] [stdout] c57b1704b913ded81871fa983dd987e4692c4757910eae52c57f14f672e18a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b527d10eefa64a729c4a3c9198d6f93875604a42bcd1d040a56ff8dfc584198
[INFO] running `Command { std: "docker" "start" "-a" "0b527d10eefa64a729c4a3c9198d6f93875604a42bcd1d040a56ff8dfc584198", kill_on_drop: false }`
[INFO] [stderr]     Checking droptest v0.2.1
[INFO] [stderr]     Checking write-only v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `core_intrinsics`
[INFO] [stdout]    --> src/slice/volatile.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |             #[cfg(feature = "core_intrinsics")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]     = help: consider adding `core_intrinsics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `core_intrinsics`
[INFO] [stdout]    --> src/slice/volatile.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |             #[cfg(not(feature = "core_intrinsics"))]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]     = help: consider adding `core_intrinsics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `core_intrinsics`
[INFO] [stdout]    --> src/slice/volatile.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |             #[cfg(feature = "core_intrinsics")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]     = help: consider adding `core_intrinsics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `core_intrinsics`
[INFO] [stdout]    --> src/slice/volatile.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |             #[cfg(not(feature = "core_intrinsics"))]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]     = help: consider adding `core_intrinsics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "0b527d10eefa64a729c4a3c9198d6f93875604a42bcd1d040a56ff8dfc584198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b527d10eefa64a729c4a3c9198d6f93875604a42bcd1d040a56ff8dfc584198", kill_on_drop: false }`
[INFO] [stdout] 0b527d10eefa64a729c4a3c9198d6f93875604a42bcd1d040a56ff8dfc584198