[INFO] fetching crate names-changer 0.2.1...
[INFO] testing names-changer-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate names-changer 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate names-changer 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate names-changer 0.2.1
[INFO] finished tweaking crates.io crate names-changer 0.2.1
[INFO] tweaked toml for crates.io crate names-changer 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1a816a6ab69529d25b7c7ab1ec0587fac5d59d82dc0537c092d9605e888416d
[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" "d1a816a6ab69529d25b7c7ab1ec0587fac5d59d82dc0537c092d9605e888416d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1a816a6ab69529d25b7c7ab1ec0587fac5d59d82dc0537c092d9605e888416d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a816a6ab69529d25b7c7ab1ec0587fac5d59d82dc0537c092d9605e888416d", kill_on_drop: false }`
[INFO] [stdout] d1a816a6ab69529d25b7c7ab1ec0587fac5d59d82dc0537c092d9605e888416d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 03d75aec912fe8058a08e9fbbf4aaab17ed08fb39c0a7e8c8f135595ebcdfa9d
[INFO] running `Command { std: "docker" "start" "-a" "03d75aec912fe8058a08e9fbbf4aaab17ed08fb39c0a7e8c8f135595ebcdfa9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling names-changer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `change_word` is never read
[INFO] [stdout]   --> src/names_changer.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut change_word = String::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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.85s
[INFO] running `Command { std: "docker" "inspect" "03d75aec912fe8058a08e9fbbf4aaab17ed08fb39c0a7e8c8f135595ebcdfa9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d75aec912fe8058a08e9fbbf4aaab17ed08fb39c0a7e8c8f135595ebcdfa9d", kill_on_drop: false }`
[INFO] [stdout] 03d75aec912fe8058a08e9fbbf4aaab17ed08fb39c0a7e8c8f135595ebcdfa9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--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] 3693d899474291f06dd57555bae80bbefccff53caab082ca9feb316a42c9f610
[INFO] running `Command { std: "docker" "start" "-a" "3693d899474291f06dd57555bae80bbefccff53caab082ca9feb316a42c9f610", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling names-changer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `change_word` is never read
[INFO] [stdout]   --> src/names_changer.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut change_word = String::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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `change_word` is never read
[INFO] [stdout]   --> src/names_changer.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut change_word = String::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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "3693d899474291f06dd57555bae80bbefccff53caab082ca9feb316a42c9f610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3693d899474291f06dd57555bae80bbefccff53caab082ca9feb316a42c9f610", kill_on_drop: false }`
[INFO] [stdout] 3693d899474291f06dd57555bae80bbefccff53caab082ca9feb316a42c9f610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3069ea56b9b35bcfc50c10546721d872a5ca14b8972c63ba923911825db701e
[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" "c3069ea56b9b35bcfc50c10546721d872a5ca14b8972c63ba923911825db701e", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `change_word` is never read
[INFO] [stderr]   --> src/names_changer.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let mut change_word = String::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: `names-changer` (lib) generated 1 warning
[INFO] [stderr] warning: `names-changer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/names_changer-58d7e673aac0a96b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test names_changer::mod_tests::check_more_words ... ok
[INFO] [stderr]      Running tests/module.rs (/opt/rustwide/target/debug/deps/module-ed698a784c44183d)
[INFO] [stdout] test names_changer::mod_tests::check_new_words_of_word ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test tests::test13 ... ok
[INFO] [stdout] test tests::test14 ... ok
[INFO] [stdout] test tests::test16 ... ok
[INFO] [stdout] test tests::test2 ... ok
[INFO] [stdout] test tests::check_small_word ... ok
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test tests::test18 ... ok
[INFO] [stdout] test tests::test19 ... ok
[INFO] [stdout] test tests::test17 ... ok
[INFO] [stdout] test tests::test23 ... ok
[INFO] [stdout] test tests::test25 ... ok
[INFO] [stdout] test tests::test24 ... ok
[INFO] [stdout] test tests::test11 ... ok
[INFO] [stdout] test tests::test20 ... ok
[INFO] [stdout] test tests::test21 ... ok
[INFO] [stdout] test tests::check_classic_camel_word_change ... ok
[INFO] [stdout] test tests::test12 ... ok
[INFO] [stdout] test tests::test10 ... ok
[INFO] [stdout] test tests::test8 ... ok
[INFO] [stdout] test tests::test5 ... ok
[INFO] [stdout] test tests::test9 ... ok
[INFO] [stdout] test tests::test4 ... ok
[INFO] [stdout] test tests::test22 ... ok
[INFO] [stdout] test tests::test7 ... ok
[INFO] [stdout] test tests::test6 ... ok
[INFO] [stdout] test tests::check_change_word_with_abbreviation ... ok
[INFO] [stdout] test tests::check_change_word_with_to ... ok
[INFO] [stdout] test tests::check_change_words_in_word ... ok
[INFO] [stdout] test tests::test3 ... ok
[INFO] [stdout] test tests::check_change_word_with_abbreviation_and_to ... ok
[INFO] [stdout] test tests::check_change_word_with_abbreviation_and_other_chars ... ok
[INFO] [stdout] test tests::check_change_full_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests names-changer
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/names_changer.rs - names_changer::NamesChanger::camel_to_snake (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3069ea56b9b35bcfc50c10546721d872a5ca14b8972c63ba923911825db701e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3069ea56b9b35bcfc50c10546721d872a5ca14b8972c63ba923911825db701e", kill_on_drop: false }`
[INFO] [stdout] c3069ea56b9b35bcfc50c10546721d872a5ca14b8972c63ba923911825db701e