[INFO] cloning repository https://github.com/tkaitchuck/Mwc256XXA64 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tkaitchuck/Mwc256XXA64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkaitchuck%2FMwc256XXA64", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkaitchuck%2FMwc256XXA64'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ba2c3a22b71af323834a64721c8ffbac49f5ae6 [INFO] checking tkaitchuck/Mwc256XXA64 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkaitchuck%2FMwc256XXA64" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tkaitchuck/Mwc256XXA64 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/tkaitchuck/Mwc256XXA64 [INFO] finished tweaking git repo https://github.com/tkaitchuck/Mwc256XXA64 [INFO] tweaked toml for git repo https://github.com/tkaitchuck/Mwc256XXA64 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/tkaitchuck/Mwc256XXA64 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 78858f3075f8807becc51aa4c5e9e6ec524bb4bf4113035d4da367466d1abbc2 [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" "78858f3075f8807becc51aa4c5e9e6ec524bb4bf4113035d4da367466d1abbc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78858f3075f8807becc51aa4c5e9e6ec524bb4bf4113035d4da367466d1abbc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78858f3075f8807becc51aa4c5e9e6ec524bb4bf4113035d4da367466d1abbc2", kill_on_drop: false }` [INFO] [stdout] 78858f3075f8807becc51aa4c5e9e6ec524bb4bf4113035d4da367466d1abbc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7d141071ad49803f8a0f7e3c36df06d930ddda8edfa3bae304fb5650df4934d1 [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" "7d141071ad49803f8a0f7e3c36df06d930ddda8edfa3bae304fb5650df4934d1", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking weezl v0.1.3 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Checking primal-estimate v0.3.1 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking primal-bit v0.3.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking crc32fast v1.2.1 [INFO] [stderr] Checking getrandom v0.2.0 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling ahash v0.6.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking primal-sieve v0.3.1 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking rand_pcg v0.3.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking primal-check v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking primal v0.3.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking glass_pumpkin v0.4.0 [INFO] [stderr] Checking serde_json v1.0.60 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.12 [INFO] [stderr] Checking pcg-mwc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 23 | / loop { [INFO] [stdout] 24 | | let value = mwc.next_u64(); [INFO] [stdout] 25 | | handle.write_all(&value.to_le_bytes())?; [INFO] [stdout] 26 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_good_prime` [INFO] [stdout] --> src/parm_search.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn is_good_prime(candidate: &u64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_8_bit_candidates` [INFO] [stdout] --> src/parm_search.rs:22:15 [INFO] [stdout] | [INFO] [stdout] 22 | pub(crate) fn gen_8_bit_candidates() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_16_bit_candidates` [INFO] [stdout] --> src/parm_search.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | pub(crate) fn gen_16_bit_candidates() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_32_bit_candidates` [INFO] [stdout] --> src/parm_search.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | pub(crate) fn gen_32_bit_candidates() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `no_dups` [INFO] [stdout] --> src/parm_search.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn no_dups(value: u64) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_64_bit_candidates` [INFO] [stdout] --> src/parm_search.rs:93:15 [INFO] [stdout] | [INFO] [stdout] 93 | pub(crate) fn gen_64_bit_candidates() -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_8bit_map` [INFO] [stdout] --> src/image_gen.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn gen_8bit_map(file_name: String, mut generator: G) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_large_map` [INFO] [stdout] --> src/image_gen.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn gen_large_map(file_name: String, mut generator: G) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_16bit_value` [INFO] [stdout] --> src/image_gen.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn gen_16bit_value(gen: &mut G, reverse: bool) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 23 | / loop { [INFO] [stdout] 24 | | let value = mwc.next_u64(); [INFO] [stdout] 25 | | handle.write_all(&value.to_le_bytes())?; [INFO] [stdout] 26 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_good_prime` [INFO] [stdout] --> src/parm_search.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn is_good_prime(candidate: &u64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_8_bit_candidates` [INFO] [stdout] --> src/parm_search.rs:22:15 [INFO] [stdout] | [INFO] [stdout] 22 | pub(crate) fn gen_8_bit_candidates() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_16_bit_candidates` [INFO] [stdout] --> src/parm_search.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | pub(crate) fn gen_16_bit_candidates() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_32_bit_candidates` [INFO] [stdout] --> src/parm_search.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | pub(crate) fn gen_32_bit_candidates() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `no_dups` [INFO] [stdout] --> src/parm_search.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn no_dups(value: u64) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_64_bit_candidates` [INFO] [stdout] --> src/parm_search.rs:93:15 [INFO] [stdout] | [INFO] [stdout] 93 | pub(crate) fn gen_64_bit_candidates() -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_8bit_map` [INFO] [stdout] --> src/image_gen.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn gen_8bit_map(file_name: String, mut generator: G) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_large_map` [INFO] [stdout] --> src/image_gen.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn gen_large_map(file_name: String, mut generator: G) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_16bit_value` [INFO] [stdout] --> src/image_gen.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn gen_16bit_value(gen: &mut G, reverse: bool) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `pcg_mwc::gen32` [INFO] [stdout] --> test/bench.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use pcg_mwc::gen32::Gen32; [INFO] [stdout] | ^^^^^ could not find `gen32` in `pcg_mwc` [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 `pcg-mwc` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "7d141071ad49803f8a0f7e3c36df06d930ddda8edfa3bae304fb5650df4934d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d141071ad49803f8a0f7e3c36df06d930ddda8edfa3bae304fb5650df4934d1", kill_on_drop: false }` [INFO] [stdout] 7d141071ad49803f8a0f7e3c36df06d930ddda8edfa3bae304fb5650df4934d1