[INFO] fetching crate same-alloc 1.0.0-alpha...
[INFO] checking same-alloc-1.0.0-alpha against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate same-alloc 1.0.0-alpha into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate same-alloc 1.0.0-alpha on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate same-alloc 1.0.0-alpha
[INFO] finished tweaking crates.io crate same-alloc 1.0.0-alpha
[INFO] tweaked toml for crates.io crate same-alloc 1.0.0-alpha written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c456bf51d5b2e7556745efc06ca84857ecca03d58c52e0b517c9aa5b115ceb37
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c456bf51d5b2e7556745efc06ca84857ecca03d58c52e0b517c9aa5b115ceb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c456bf51d5b2e7556745efc06ca84857ecca03d58c52e0b517c9aa5b115ceb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c456bf51d5b2e7556745efc06ca84857ecca03d58c52e0b517c9aa5b115ceb37", kill_on_drop: false }`
[INFO] [stdout] c456bf51d5b2e7556745efc06ca84857ecca03d58c52e0b517c9aa5b115ceb37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc4bab19a04dd968414e3eb4d94381bd9ffda47efa54dbb003ac320238c2d7ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc4bab19a04dd968414e3eb4d94381bd9ffda47efa54dbb003ac320238c2d7ab", kill_on_drop: false }`
[INFO] [stderr]     Checking same-alloc v1.0.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `buffer_vec`
[INFO] [stdout]  --> tests/median_name.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use buffer_vec::{same, BufferVec};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `buffer_vec`
[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 `same-alloc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "dc4bab19a04dd968414e3eb4d94381bd9ffda47efa54dbb003ac320238c2d7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4bab19a04dd968414e3eb4d94381bd9ffda47efa54dbb003ac320238c2d7ab", kill_on_drop: false }`
[INFO] [stdout] dc4bab19a04dd968414e3eb4d94381bd9ffda47efa54dbb003ac320238c2d7ab