[INFO] fetching crate wordtop 0.1.6... [INFO] testing wordtop-0.1.6 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate wordtop 0.1.6 into /workspace/builds/worker-32/source [INFO] validating manifest of crates.io crate wordtop 0.1.6 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wordtop 0.1.6 [INFO] finished tweaking crates.io crate wordtop 0.1.6 [INFO] tweaked toml for crates.io crate wordtop 0.1.6 written to /workspace/builds/worker-32/source/Cargo.toml [INFO] crate crates.io crate wordtop 0.1.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63354f0e746733126600a61044fa5979dda2965ec63d1d781ab71480aed368fb [INFO] running `Command { std: "docker" "start" "-a" "63354f0e746733126600a61044fa5979dda2965ec63d1d781ab71480aed368fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63354f0e746733126600a61044fa5979dda2965ec63d1d781ab71480aed368fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63354f0e746733126600a61044fa5979dda2965ec63d1d781ab71480aed368fb", kill_on_drop: false }` [INFO] [stdout] 63354f0e746733126600a61044fa5979dda2965ec63d1d781ab71480aed368fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48204e6f5c40cd04a30a02f690622c0e4489eb2425d4260b9466153d1c3988c7 [INFO] running `Command { std: "docker" "start" "-a" "48204e6f5c40cd04a30a02f690622c0e4489eb2425d4260b9466153d1c3988c7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling nix v0.23.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling ctrlc v3.2.1 [INFO] [stderr] Compiling wordtop v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `sorted_vec` is never read [INFO] [stdout] --> src/calculate.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | let mut sorted_vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sorted_vec` is never read [INFO] [stdout] --> src/calculate.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | let mut sorted_vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/print.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.75s [INFO] running `Command { std: "docker" "inspect" "48204e6f5c40cd04a30a02f690622c0e4489eb2425d4260b9466153d1c3988c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48204e6f5c40cd04a30a02f690622c0e4489eb2425d4260b9466153d1c3988c7", kill_on_drop: false }` [INFO] [stdout] 48204e6f5c40cd04a30a02f690622c0e4489eb2425d4260b9466153d1c3988c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 160f31e80e86ff23b6c585f7548a7a205b54ba7e61901bc50483172b83bcc8c7 [INFO] running `Command { std: "docker" "start" "-a" "160f31e80e86ff23b6c585f7548a7a205b54ba7e61901bc50483172b83bcc8c7", kill_on_drop: false }` [INFO] [stderr] Compiling wordtop v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `sorted_vec` is never read [INFO] [stdout] --> src/calculate.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | let mut sorted_vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sorted_vec` is never read [INFO] [stdout] --> src/calculate.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | let mut sorted_vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/print.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/print.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | let (mut k, mut t) = print_stats(&x, 10, 10); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/print.rs:76:25 [INFO] [stdout] | [INFO] [stdout] 76 | let (mut k, mut t) = print_stats(&x, 10, 10); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/print.rs:76:14 [INFO] [stdout] | [INFO] [stdout] 76 | let (mut k, mut t) = print_stats(&x, 10, 10); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/print.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | let (mut k, mut t) = print_stats(&x, 10, 10); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.58s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/wordtop-32798c4841226254) [INFO] running `Command { std: "docker" "inspect" "160f31e80e86ff23b6c585f7548a7a205b54ba7e61901bc50483172b83bcc8c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "160f31e80e86ff23b6c585f7548a7a205b54ba7e61901bc50483172b83bcc8c7", kill_on_drop: false }` [INFO] [stdout] 160f31e80e86ff23b6c585f7548a7a205b54ba7e61901bc50483172b83bcc8c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4e67efb05c8ca1e388f90ae74d0b5236d7a1cd73adffd7408980a6e2d0d434a9 [INFO] running `Command { std: "docker" "start" "-a" "4e67efb05c8ca1e388f90ae74d0b5236d7a1cd73adffd7408980a6e2d0d434a9", 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] [stderr] warning: value assigned to `sorted_vec` is never read [INFO] [stderr] --> src/calculate.rs:86:17 [INFO] [stderr] | [INFO] [stderr] 86 | let mut sorted_vec = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sorted_vec` is never read [INFO] [stderr] --> src/calculate.rs:103:17 [INFO] [stderr] | [INFO] [stderr] 103 | let mut sorted_vec = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/print.rs:21:17 [INFO] [stderr] | [INFO] [stderr] 21 | count = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/print.rs:76:18 [INFO] [stderr] | [INFO] [stderr] 76 | let (mut k, mut t) = print_stats(&x, 10, 10); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/print.rs:76:25 [INFO] [stderr] | [INFO] [stderr] 76 | let (mut k, mut t) = print_stats(&x, 10, 10); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/print.rs:76:14 [INFO] [stderr] | [INFO] [stderr] 76 | let (mut k, mut t) = print_stats(&x, 10, 10); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/print.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | let (mut k, mut t) = print_stats(&x, 10, 10); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `wordtop` (bin "wordtop" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.61s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wordtop-32798c4841226254) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test calculate::tests::test_calculate_rate ... ok [INFO] [stdout] test calculate::tests::test_calculate_rate_top ... ok [INFO] [stdout] test print::tests::test_print_stats ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4e67efb05c8ca1e388f90ae74d0b5236d7a1cd73adffd7408980a6e2d0d434a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e67efb05c8ca1e388f90ae74d0b5236d7a1cd73adffd7408980a6e2d0d434a9", kill_on_drop: false }` [INFO] [stdout] 4e67efb05c8ca1e388f90ae74d0b5236d7a1cd73adffd7408980a6e2d0d434a9