[INFO] fetching crate atomic_cell 0.2.0...
[INFO] checking atomic_cell-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate atomic_cell 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate atomic_cell 0.2.0
[INFO] finished tweaking crates.io crate atomic_cell 0.2.0
[INFO] tweaked toml for crates.io crate atomic_cell 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate atomic_cell 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e2e0716916fc99da980493debdeef712865dd5da1fe73b53fa74a07d9ef7a36
[INFO] running `Command { std: "docker" "start" "-a" "0e2e0716916fc99da980493debdeef712865dd5da1fe73b53fa74a07d9ef7a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e2e0716916fc99da980493debdeef712865dd5da1fe73b53fa74a07d9ef7a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2e0716916fc99da980493debdeef712865dd5da1fe73b53fa74a07d9ef7a36", kill_on_drop: false }`
[INFO] [stdout] 0e2e0716916fc99da980493debdeef712865dd5da1fe73b53fa74a07d9ef7a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01303cd3019a11c995d52907f34165e2504122e8f756995f0dfcabd5ea9ddea2
[INFO] running `Command { std: "docker" "start" "-a" "01303cd3019a11c995d52907f34165e2504122e8f756995f0dfcabd5ea9ddea2", kill_on_drop: false }`
[INFO] [stderr]     Checking typewit v1.13.0
[INFO] [stderr]     Checking const_panic v0.2.14
[INFO] [stderr]     Checking atomic_cell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/atomic_cell.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     struct UsizeWrap(usize);
[INFO] [stdout]   |            --------- ^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/atomic_cell.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     struct U8Wrap(bool);
[INFO] [stdout]   |            ------ ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/atomic_cell.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     struct I16Wrap(i16);
[INFO] [stdout]    |            ------- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/atomic_cell.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     struct U64Align8(u64);
[INFO] [stdout]    |            --------- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "01303cd3019a11c995d52907f34165e2504122e8f756995f0dfcabd5ea9ddea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01303cd3019a11c995d52907f34165e2504122e8f756995f0dfcabd5ea9ddea2", kill_on_drop: false }`
[INFO] [stdout] 01303cd3019a11c995d52907f34165e2504122e8f756995f0dfcabd5ea9ddea2