[INFO] crate persistent_rope 0.1.2 is already in cache [INFO] checking persistent_rope-0.1.2 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323 [INFO] extracting crate persistent_rope 0.1.2 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate persistent_rope 0.1.2 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate persistent_rope 0.1.2 [INFO] finished tweaking crates.io crate persistent_rope 0.1.2 [INFO] tweaked toml for crates.io crate persistent_rope 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ef918bfba31e91e6435941673b51774359a7d47ab1ed910c47f1411289f9fce [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" "6ef918bfba31e91e6435941673b51774359a7d47ab1ed910c47f1411289f9fce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ef918bfba31e91e6435941673b51774359a7d47ab1ed910c47f1411289f9fce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ef918bfba31e91e6435941673b51774359a7d47ab1ed910c47f1411289f9fce", kill_on_drop: false }` [INFO] [stdout] 6ef918bfba31e91e6435941673b51774359a7d47ab1ed910c47f1411289f9fce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b721da32bc0d17425bddad8ab315c05ac9eee977cda9b4fb01ec04a6fb0e03f [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" "0b721da32bc0d17425bddad8ab315c05ac9eee977cda9b4fb01ec04a6fb0e03f", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking bytecount v0.1.7 [INFO] [stderr] Checking macro-attr v0.2.0 [INFO] [stderr] Checking persistent_rope v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `alloc::arc` [INFO] [stdout] --> src/rope.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::arc::Arc; [INFO] [stdout] | ^^^ could not find `arc` in `alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `core::ops::Add` for type `rope::Rope`: [INFO] [stdout] --> src/rope.rs:617:1 [INFO] [stdout] | [INFO] [stdout] 578 | / impl Add for Rope [INFO] [stdout] 579 | | where [INFO] [stdout] 580 | | T: Into, [INFO] [stdout] 581 | | { [INFO] [stdout] ... | [INFO] [stdout] 594 | | } [INFO] [stdout] 595 | | } [INFO] [stdout] | |_- first implementation here [INFO] [stdout] ... [INFO] [stdout] 617 | impl Add for Rope { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `persistent_rope`. [INFO] [stdout] error[E0119]: conflicting implementations of trait `core::ops::Add` for type `&rope::Rope`: [INFO] [stdout] --> src/rope.rs:631:1 [INFO] [stdout] | [INFO] [stdout] 597 | / impl<'a, T> Add for &'a Rope [INFO] [stdout] 598 | | where [INFO] [stdout] 599 | | T: Into, [INFO] [stdout] 600 | | { [INFO] [stdout] ... | [INFO] [stdout] 614 | | } [INFO] [stdout] 615 | | } [INFO] [stdout] | |_- first implementation here [INFO] [stdout] ... [INFO] [stdout] 631 | impl<'a> Add for &'a Rope { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&rope::Rope` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stdout] Some errors have detailed explanations: E0119, E0432. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about an error, try `rustc --explain E0119`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "0b721da32bc0d17425bddad8ab315c05ac9eee977cda9b4fb01ec04a6fb0e03f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b721da32bc0d17425bddad8ab315c05ac9eee977cda9b4fb01ec04a6fb0e03f", kill_on_drop: false }` [INFO] [stdout] 0b721da32bc0d17425bddad8ab315c05ac9eee977cda9b4fb01ec04a6fb0e03f