[INFO] fetching crate freezable 0.1.8...
[INFO] checking freezable-0.1.8 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate freezable 0.1.8 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate freezable 0.1.8 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freezable 0.1.8
[INFO] finished tweaking crates.io crate freezable 0.1.8
[INFO] tweaked toml for crates.io crate freezable 0.1.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51cb6650e025318129a4e9f52758605adc8e7e3638034b35f351ce72fbc71a7c
[INFO] running `Command { std: "docker" "start" "-a" "51cb6650e025318129a4e9f52758605adc8e7e3638034b35f351ce72fbc71a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51cb6650e025318129a4e9f52758605adc8e7e3638034b35f351ce72fbc71a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cb6650e025318129a4e9f52758605adc8e7e3638034b35f351ce72fbc71a7c", kill_on_drop: false }`
[INFO] [stdout] 51cb6650e025318129a4e9f52758605adc8e7e3638034b35f351ce72fbc71a7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52f9912f8c78024ae8a121070868ee2b76163c7713dcfe3ca1b86c770a9e870a
[INFO] running `Command { std: "docker" "start" "-a" "52f9912f8c78024ae8a121070868ee2b76163c7713dcfe3ca1b86c770a9e870a", kill_on_drop: false }`
[INFO] [stderr]     Checking freezable v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash_map::FrozenMap`
[INFO] [stdout]  --> src/frozen_std/collections/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use hash_map::FrozenMap;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_set::FrozenSet`
[INFO] [stdout]  --> src/frozen_std/collections/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use hash_set::FrozenSet;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_map::FrozenMap`
[INFO] [stdout]  --> src/frozen_std/collections/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use hash_map::FrozenMap;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_set::FrozenSet`
[INFO] [stdout]  --> src/frozen_std/collections/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use hash_set::FrozenSet;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "52f9912f8c78024ae8a121070868ee2b76163c7713dcfe3ca1b86c770a9e870a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f9912f8c78024ae8a121070868ee2b76163c7713dcfe3ca1b86c770a9e870a", kill_on_drop: false }`
[INFO] [stdout] 52f9912f8c78024ae8a121070868ee2b76163c7713dcfe3ca1b86c770a9e870a