[INFO] cloning repository https://github.com/rklaehn/vec-collections [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rklaehn/vec-collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fvec-collections", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fvec-collections'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ea3b98586f134b74e12d46a04d5402bf41849664 [INFO] checking rklaehn/vec-collections against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fvec-collections" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rklaehn/vec-collections on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rklaehn/vec-collections [INFO] finished tweaking git repo https://github.com/rklaehn/vec-collections [INFO] tweaked toml for git repo https://github.com/rklaehn/vec-collections written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/rklaehn/vec-collections already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c02cccc8d8f26171a3ea538b2331942ef715c4a3c982c2f799e8a35242dcc74 [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" "3c02cccc8d8f26171a3ea538b2331942ef715c4a3c982c2f799e8a35242dcc74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c02cccc8d8f26171a3ea538b2331942ef715c4a3c982c2f799e8a35242dcc74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c02cccc8d8f26171a3ea538b2331942ef715c4a3c982c2f799e8a35242dcc74", kill_on_drop: false }` [INFO] [stdout] 3c02cccc8d8f26171a3ea538b2331942ef715c4a3c982c2f799e8a35242dcc74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d7cf1ba2758a0542427899603b2149b52102d7d44241c2033abdf2b1e9bdd33 [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" "5d7cf1ba2758a0542427899603b2149b52102d7d44241c2033abdf2b1e9bdd33", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking sorted-iter v0.1.6 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking testdrop v0.1.2 [INFO] [stderr] Checking stats_alloc v0.1.8 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking clap v2.33.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking rayon-core v1.7.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking quickcheck v0.8.5 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking vec-collections v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `slice_iter` [INFO] [stdout] --> src/vec_map.rs:378:19 [INFO] [stdout] | [INFO] [stdout] 378 | pub(crate) fn slice_iter(&self) -> SliceIterator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Compiling quickcheck_macros v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> examples/multimap.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let x: Multimap = [(0, 0), (0, 1), (1, 0)].iter().cloned().collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> examples/multimap.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let y: BiMultimap = [(0, 0), (0, 1), (1, 0)].iter().cloned().collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/test_macros.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | / macro_rules! bitop_sub_not_all { [INFO] [stdout] 52 | | ($test:ty) => { [INFO] [stdout] 53 | | #[quickcheck] [INFO] [stdout] 54 | | fn bitand_all_neutral(x: $test) -> bool { [INFO] [stdout] ... | [INFO] [stdout] 93 | | }; [INFO] [stdout] 94 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `slice_iter` [INFO] [stdout] --> src/vec_map.rs:378:19 [INFO] [stdout] | [INFO] [stdout] 378 | pub(crate) fn slice_iter(&self) -> SliceIterator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 27s [INFO] running `Command { std: "docker" "inspect" "5d7cf1ba2758a0542427899603b2149b52102d7d44241c2033abdf2b1e9bdd33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d7cf1ba2758a0542427899603b2149b52102d7d44241c2033abdf2b1e9bdd33", kill_on_drop: false }` [INFO] [stdout] 5d7cf1ba2758a0542427899603b2149b52102d7d44241c2033abdf2b1e9bdd33