[INFO] fetching crate fn_once 0.3.0...
[INFO] checking fn_once-0.3.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate fn_once 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fn_once 0.3.0
[INFO] finished tweaking crates.io crate fn_once 0.3.0
[INFO] tweaked toml for crates.io crate fn_once 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fn_once 0.3.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a390e9d419549dec46c6ca69d320a3039ac12dfdab1ad6e6dbd5daa485711f80
[INFO] running `Command { std: "docker" "start" "-a" "a390e9d419549dec46c6ca69d320a3039ac12dfdab1ad6e6dbd5daa485711f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a390e9d419549dec46c6ca69d320a3039ac12dfdab1ad6e6dbd5daa485711f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a390e9d419549dec46c6ca69d320a3039ac12dfdab1ad6e6dbd5daa485711f80", kill_on_drop: false }`
[INFO] [stdout] a390e9d419549dec46c6ca69d320a3039ac12dfdab1ad6e6dbd5daa485711f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42d5927cb1a3774472e1ac80e1794ea94d8eff465222b3e04d8b6c3b1796c90a
[INFO] running `Command { std: "docker" "start" "-a" "42d5927cb1a3774472e1ac80e1794ea94d8eff465222b3e04d8b6c3b1796c90a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking fn_once v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.09s
[INFO] [stdout] warning: unexpected `cfg` condition value: `once_off`
[INFO] [stdout]  --> tests/basic.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[once(or = { count })]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]   = help: try referring to `once` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]   = help: the attribute macro `once` may come from an old version of the `fn_once` crate, try updating your dependency with `cargo update -p fn_once`
[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]   = note: this warning originates in the attribute macro `once` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `once_off`
[INFO] [stdout]  --> tests/basic.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[once]
[INFO] [stdout]   | ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]   = help: try referring to `once` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]   = help: the attribute macro `once` may come from an old version of the `fn_once` crate, try updating your dependency with `cargo update -p fn_once`
[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: this warning originates in the attribute macro `once` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42d5927cb1a3774472e1ac80e1794ea94d8eff465222b3e04d8b6c3b1796c90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d5927cb1a3774472e1ac80e1794ea94d8eff465222b3e04d8b6c3b1796c90a", kill_on_drop: false }`
[INFO] [stdout] 42d5927cb1a3774472e1ac80e1794ea94d8eff465222b3e04d8b6c3b1796c90a