[INFO] fetching crate im 15.1.0... [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] crate im 15.1.0 is already in cache [INFO] checking im-15.1.0 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447 [INFO] extracting crate im 15.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate im 15.1.0 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate im 15.1.0 [INFO] finished tweaking crates.io crate im 15.1.0 [INFO] tweaked toml for crates.io crate im 15.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_xoshiro v0.6.0 [INFO] [stderr] Downloaded refpool v0.4.3 [INFO] [stderr] Downloaded metrohash v1.0.6 [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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d28f43d46e8afea045cabdd57074effabf43cc24bccb9009ed5f455e8a683c0 [INFO] running `Command { std: "docker" "start" "-a" "4d28f43d46e8afea045cabdd57074effabf43cc24bccb9009ed5f455e8a683c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d28f43d46e8afea045cabdd57074effabf43cc24bccb9009ed5f455e8a683c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d28f43d46e8afea045cabdd57074effabf43cc24bccb9009ed5f455e8a683c0", kill_on_drop: false }` [INFO] [stdout] 4d28f43d46e8afea045cabdd57074effabf43cc24bccb9009ed5f455e8a683c0 [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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a390c87d6fa80b6c7058568df85c5c00d167d25e8544c182642ff214084bb7b3 [INFO] running `Command { std: "docker" "start" "-a" "a390c87d6fa80b6c7058568df85c5c00d167d25e8544c182642ff214084bb7b3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.129 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling serde v1.0.143 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling serde_json v1.0.83 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking metrohash v1.0.6 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking pretty_assertions v1.2.1 [INFO] [stderr] Compiling im v15.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking sized-chunks v0.6.5 [INFO] [stderr] Checking proptest v1.0.0 [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling proptest-derive v0.3.0 [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.68s [INFO] running `Command { std: "docker" "inspect" "a390c87d6fa80b6c7058568df85c5c00d167d25e8544c182642ff214084bb7b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a390c87d6fa80b6c7058568df85c5c00d167d25e8544c182642ff214084bb7b3", kill_on_drop: false }` [INFO] [stdout] a390c87d6fa80b6c7058568df85c5c00d167d25e8544c182642ff214084bb7b3