[INFO] fetching crate im 15.0.0... [INFO] checking im-15.0.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate im 15.0.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate im 15.0.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate im 15.0.0 [INFO] finished tweaking crates.io crate im 15.0.0 [INFO] tweaked toml for crates.io crate im 15.0.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f5571c59462829616c2aea88b41831e2bb0c7d183997070dd3ca3fb507dcf4f4 [INFO] running `Command { std: "docker" "start" "-a" "f5571c59462829616c2aea88b41831e2bb0c7d183997070dd3ca3fb507dcf4f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5571c59462829616c2aea88b41831e2bb0c7d183997070dd3ca3fb507dcf4f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5571c59462829616c2aea88b41831e2bb0c7d183997070dd3ca3fb507dcf4f4", kill_on_drop: false }` [INFO] [stdout] f5571c59462829616c2aea88b41831e2bb0c7d183997070dd3ca3fb507dcf4f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 34591573dc992241c72150555959cfbf6f686f1231de56c91fbd6a8ed7b2ae9e [INFO] running `Command { std: "docker" "start" "-a" "34591573dc992241c72150555959cfbf6f686f1231de56c91fbd6a8ed7b2ae9e", kill_on_drop: false }` [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking metrohash v1.0.6 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling im v15.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking crossbeam-utils v0.8.1 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rayon v1.5.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Checking sized-chunks v0.6.2 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:341:41 [INFO] [stdout] | [INFO] [stdout] 341 | #![cfg_attr(has_specialisation, feature(specialization))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/vector/mod.rs:986:13 [INFO] [stdout] | [INFO] [stdout] 986 | replace(self, other); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling proptest-derive v0.1.2 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:341:41 [INFO] [stdout] | [INFO] [stdout] 341 | #![cfg_attr(has_specialisation, feature(specialization))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/vector/mod.rs:986:13 [INFO] [stdout] | [INFO] [stdout] 986 | replace(self, other); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.71s [INFO] running `Command { std: "docker" "inspect" "34591573dc992241c72150555959cfbf6f686f1231de56c91fbd6a8ed7b2ae9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34591573dc992241c72150555959cfbf6f686f1231de56c91fbd6a8ed7b2ae9e", kill_on_drop: false }` [INFO] [stdout] 34591573dc992241c72150555959cfbf6f686f1231de56c91fbd6a8ed7b2ae9e