[INFO] fetching crate justify 0.1.3... [INFO] testing justify-0.1.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate justify 0.1.3 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate justify 0.1.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate justify 0.1.3 [INFO] finished tweaking crates.io crate justify 0.1.3 [INFO] tweaked toml for crates.io crate justify 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate justify 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 942e7c6615e74304cb6b22fa8a6fbaa8c51f1a417bc872448e3b8cc5da6b84f8 [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" "942e7c6615e74304cb6b22fa8a6fbaa8c51f1a417bc872448e3b8cc5da6b84f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "942e7c6615e74304cb6b22fa8a6fbaa8c51f1a417bc872448e3b8cc5da6b84f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "942e7c6615e74304cb6b22fa8a6fbaa8c51f1a417bc872448e3b8cc5da6b84f8", kill_on_drop: false }` [INFO] [stdout] 942e7c6615e74304cb6b22fa8a6fbaa8c51f1a417bc872448e3b8cc5da6b84f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] b1bcdc612967a1f26b73b5dcf22c01bb81d4ccb7665c7734e2be265f1f2fe755 [INFO] running `Command { std: "docker" "start" "-a" "b1bcdc612967a1f26b73b5dcf22c01bb81d4ccb7665c7734e2be265f1f2fe755", kill_on_drop: false }` [INFO] [stderr] Compiling justify v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut c; [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/lib.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut size = line.iter().fold(0, |acc, &x| acc + x.len()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.09s [INFO] running `Command { std: "docker" "inspect" "b1bcdc612967a1f26b73b5dcf22c01bb81d4ccb7665c7734e2be265f1f2fe755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1bcdc612967a1f26b73b5dcf22c01bb81d4ccb7665c7734e2be265f1f2fe755", kill_on_drop: false }` [INFO] [stdout] b1bcdc612967a1f26b73b5dcf22c01bb81d4ccb7665c7734e2be265f1f2fe755 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 413a6f31cbcb19423982800d5658d9b779c94d7d97697059be073c0e9b64b72c [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" "413a6f31cbcb19423982800d5658d9b779c94d7d97697059be073c0e9b64b72c", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut c; [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] [stderr] Compiling justify v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut size = line.iter().fold(0, |acc, &x| acc + x.len()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut c; [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/lib.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut size = line.iter().fold(0, |acc, &x| acc + x.len()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `Command { std: "docker" "inspect" "413a6f31cbcb19423982800d5658d9b779c94d7d97697059be073c0e9b64b72c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "413a6f31cbcb19423982800d5658d9b779c94d7d97697059be073c0e9b64b72c", kill_on_drop: false }` [INFO] [stdout] 413a6f31cbcb19423982800d5658d9b779c94d7d97697059be073c0e9b64b72c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6b2e3b35bb638c9e09171b7084100259805089820b65dc41888f230afbcfece3 [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" "6b2e3b35bb638c9e09171b7084100259805089820b65dc41888f230afbcfece3", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | let mut c; [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/lib.rs:183:13 [INFO] [stderr] | [INFO] [stderr] 183 | let mut size = line.iter().fold(0, |acc, &x| acc + x.len()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `justify` (lib) generated 2 warnings [INFO] [stderr] warning: `justify` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/justify-cf74a03d4d2f09be) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/justify-3524b22fcfa0eceb) [INFO] [stdout] running 0 tests [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-47cd8509c8cd9b1b) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test justify_lipsum_right ... ok [INFO] [stdout] test empty_string_justify ... ok [INFO] [stdout] test one_line_justify ... ok [INFO] [stdout] test less_than_width ... ok [INFO] [stdout] test many_empty_lines_justify ... ok [INFO] [stdout] test word_longer_than_width_hyphenate ... ok [INFO] [stderr] Doc-tests justify [INFO] [stdout] test long_text ... ok [INFO] [stdout] test multi_hyphenate ... ok [INFO] [stdout] test word_longer_than_width ... ok [INFO] [stdout] test justify_paragraph_with_newline - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6b2e3b35bb638c9e09171b7084100259805089820b65dc41888f230afbcfece3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b2e3b35bb638c9e09171b7084100259805089820b65dc41888f230afbcfece3", kill_on_drop: false }` [INFO] [stdout] 6b2e3b35bb638c9e09171b7084100259805089820b65dc41888f230afbcfece3