[INFO] fetching crate casec 0.1.3...
[INFO] testing casec-0.1.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate casec 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate casec 0.1.3
[INFO] finished tweaking crates.io crate casec 0.1.3
[INFO] tweaked toml for crates.io crate casec 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate casec 0.1.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate casec 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded once_cell v1.7.0
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f139080843c1948c30f2dcdd5bd7072b829ce25c7a2097fff423a7955557123
[INFO] running `Command { std: "docker" "start" "-a" "6f139080843c1948c30f2dcdd5bd7072b829ce25c7a2097fff423a7955557123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f139080843c1948c30f2dcdd5bd7072b829ce25c7a2097fff423a7955557123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f139080843c1948c30f2dcdd5bd7072b829ce25c7a2097fff423a7955557123", kill_on_drop: false }`
[INFO] [stdout] 6f139080843c1948c30f2dcdd5bd7072b829ce25c7a2097fff423a7955557123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f20eff4e40afd39194bb9b06794bfc9dd50481639d1688e81d4662f1a72ead3d
[INFO] running `Command { std: "docker" "start" "-a" "f20eff4e40afd39194bb9b06794bfc9dd50481639d1688e81d4662f1a72ead3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling casec v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Replacer` is never constructed
[INFO] [stdout]   --> src/converter.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct Replacer {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `append_cammel` and `append_snake` are never used
[INFO] [stdout]   --> src/converter.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Replacer {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 77 |     fn append_cammel(&self, chars: Chars, dst: &mut String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn append_snake(&self, chars: Chars, dst: &mut String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "f20eff4e40afd39194bb9b06794bfc9dd50481639d1688e81d4662f1a72ead3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20eff4e40afd39194bb9b06794bfc9dd50481639d1688e81d4662f1a72ead3d", kill_on_drop: false }`
[INFO] [stdout] f20eff4e40afd39194bb9b06794bfc9dd50481639d1688e81d4662f1a72ead3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b49cdb636c80ca571bb0f6bbc700d187adb0a89ee1b88d4e7c48d8ebe1cc3a
[INFO] running `Command { std: "docker" "start" "-a" "77b49cdb636c80ca571bb0f6bbc700d187adb0a89ee1b88d4e7c48d8ebe1cc3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling casec v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Replacer` is never constructed
[INFO] [stdout]   --> src/converter.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct Replacer {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `append_cammel` and `append_snake` are never used
[INFO] [stdout]   --> src/converter.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Replacer {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 77 |     fn append_cammel(&self, chars: Chars, dst: &mut String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn append_snake(&self, chars: Chars, dst: &mut String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "77b49cdb636c80ca571bb0f6bbc700d187adb0a89ee1b88d4e7c48d8ebe1cc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b49cdb636c80ca571bb0f6bbc700d187adb0a89ee1b88d4e7c48d8ebe1cc3a", kill_on_drop: false }`
[INFO] [stdout] 77b49cdb636c80ca571bb0f6bbc700d187adb0a89ee1b88d4e7c48d8ebe1cc3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f07b508bbe4cc3830b3c76daccfb45284c22c143c82fa6bb349aa0a98f647d33
[INFO] running `Command { std: "docker" "start" "-a" "f07b508bbe4cc3830b3c76daccfb45284c22c143c82fa6bb349aa0a98f647d33", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Replacer` is never constructed
[INFO] [stderr]   --> src/converter.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 | struct Replacer {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `append_cammel` and `append_snake` are never used
[INFO] [stderr]   --> src/converter.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | impl Replacer {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 77 |     fn append_cammel(&self, chars: Chars, dst: &mut String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 94 |     fn append_snake(&self, chars: Chars, dst: &mut String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `casec` (bin "casec" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/casec-e4720e763382d0dc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test converter::tests::cammel_to_snake ... ok
[INFO] [stdout] test converter::tests::snake_to_cammel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f07b508bbe4cc3830b3c76daccfb45284c22c143c82fa6bb349aa0a98f647d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07b508bbe4cc3830b3c76daccfb45284c22c143c82fa6bb349aa0a98f647d33", kill_on_drop: false }`
[INFO] [stdout] f07b508bbe4cc3830b3c76daccfb45284c22c143c82fa6bb349aa0a98f647d33