[INFO] fetching crate immut_list 0.1.0...
[INFO] checking immut_list-0.1.0 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate immut_list 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate immut_list 0.1.0 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate immut_list 0.1.0
[INFO] finished tweaking crates.io crate immut_list 0.1.0
[INFO] tweaked toml for crates.io crate immut_list 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c0a21d41be60fe643cff6062367adce9d3ad66c35fff9e716bd3e22574c0e2a
[INFO] running `Command { std: "docker" "start" "-a" "8c0a21d41be60fe643cff6062367adce9d3ad66c35fff9e716bd3e22574c0e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c0a21d41be60fe643cff6062367adce9d3ad66c35fff9e716bd3e22574c0e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0a21d41be60fe643cff6062367adce9d3ad66c35fff9e716bd3e22574c0e2a", kill_on_drop: false }`
[INFO] [stdout] 8c0a21d41be60fe643cff6062367adce9d3ad66c35fff9e716bd3e22574c0e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6621dbf6057c46ed28e5855ddddaa2f4217a3b4febec20eea75e128416bd3b62
[INFO] running `Command { std: "docker" "start" "-a" "6621dbf6057c46ed28e5855ddddaa2f4217a3b4febec20eea75e128416bd3b62", kill_on_drop: false }`
[INFO] [stderr]     Checking data_structure_traits v0.1.12
[INFO] [stdout] error[E0432]: unresolved import `alloc::vec_deque`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/data_structure_traits-0.1.12/src/collections/vec_deque.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alloc::vec_deque::VecDeque;
[INFO] [stdout]   |            ^^^^^^^^^ could not find `vec_deque` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data_structure_traits`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6621dbf6057c46ed28e5855ddddaa2f4217a3b4febec20eea75e128416bd3b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6621dbf6057c46ed28e5855ddddaa2f4217a3b4febec20eea75e128416bd3b62", kill_on_drop: false }`
[INFO] [stdout] 6621dbf6057c46ed28e5855ddddaa2f4217a3b4febec20eea75e128416bd3b62