[INFO] fetching crate cases2 0.1.0...
[INFO] checking cases2-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate cases2 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cases2 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cases2 0.1.0
[INFO] finished tweaking crates.io crate cases2 0.1.0
[INFO] tweaked toml for crates.io crate cases2 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate cases2 0.1.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a01dda9529bc6141273e921e5f152f7e80f29117f904bcf55897cd7db4bff266
[INFO] running `Command { std: "docker" "start" "-a" "a01dda9529bc6141273e921e5f152f7e80f29117f904bcf55897cd7db4bff266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a01dda9529bc6141273e921e5f152f7e80f29117f904bcf55897cd7db4bff266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01dda9529bc6141273e921e5f152f7e80f29117f904bcf55897cd7db4bff266", kill_on_drop: false }`
[INFO] [stdout] a01dda9529bc6141273e921e5f152f7e80f29117f904bcf55897cd7db4bff266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee1c593c42fedf110be6c443bce60a33dc827a0cb81d26a0ca83ba205045316e
[INFO] running `Command { std: "docker" "start" "-a" "ee1c593c42fedf110be6c443bce60a33dc827a0cb81d26a0ca83ba205045316e", kill_on_drop: false }`
[INFO] [stderr]     Checking cases2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cases`
[INFO] [stdout]  --> examples/usage.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("Snake Case: {}", cases::to_snake_case(sample));
[INFO] [stdout]   |                                ^^^^^ use of undeclared crate or module `cases`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("Snake Case: {}", cases2::to_snake_case(sample));
[INFO] [stdout]   |                                ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cases`
[INFO] [stdout]  --> examples/usage.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("Camel Case: {}", cases::to_camel_case(sample));
[INFO] [stdout]   |                                ^^^^^ use of undeclared crate or module `cases`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("Camel Case: {}", cases2::to_camel_case(sample));
[INFO] [stdout]   |                                ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cases`
[INFO] [stdout]  --> examples/usage.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         cases::to_screaming_snake_case(sample)
[INFO] [stdout]   |         ^^^^^ use of undeclared crate or module `cases`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 |         cases2::to_screaming_snake_case(sample)
[INFO] [stdout]   |         ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cases`
[INFO] [stdout]   --> examples/usage.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     println!("Pascal Case: {}", cases::to_pascal_case(sample));
[INFO] [stdout]    |                                 ^^^^^ use of undeclared crate or module `cases`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 11 |     println!("Pascal Case: {}", cases2::to_pascal_case(sample));
[INFO] [stdout]    |                                 ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cases2` (example "usage") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee1c593c42fedf110be6c443bce60a33dc827a0cb81d26a0ca83ba205045316e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1c593c42fedf110be6c443bce60a33dc827a0cb81d26a0ca83ba205045316e", kill_on_drop: false }`
[INFO] [stdout] ee1c593c42fedf110be6c443bce60a33dc827a0cb81d26a0ca83ba205045316e
[INFO] checking cases2-0.1.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate cases2 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cases2 0.1.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cases2 0.1.0
[INFO] finished tweaking crates.io crate cases2 0.1.0
[INFO] tweaked toml for crates.io crate cases2 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate cases2 0.1.0 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1c16325a7b53ff5d18a9ef9d7f6ba1d766f644feec9a4261d60c87bfd15f5a9
[INFO] running `Command { std: "docker" "start" "-a" "c1c16325a7b53ff5d18a9ef9d7f6ba1d766f644feec9a4261d60c87bfd15f5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1c16325a7b53ff5d18a9ef9d7f6ba1d766f644feec9a4261d60c87bfd15f5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c16325a7b53ff5d18a9ef9d7f6ba1d766f644feec9a4261d60c87bfd15f5a9", kill_on_drop: false }`
[INFO] [stdout] c1c16325a7b53ff5d18a9ef9d7f6ba1d766f644feec9a4261d60c87bfd15f5a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c598265dbd484b4bc0a2524e837c54085a0d40db4eb831b73f0048e82723837
[INFO] running `Command { std: "docker" "start" "-a" "4c598265dbd484b4bc0a2524e837c54085a0d40db4eb831b73f0048e82723837", kill_on_drop: false }`
[INFO] [stderr]     Checking cases2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cases`
[INFO] [stdout]  --> examples/usage.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("Snake Case: {}", cases::to_snake_case(sample));
[INFO] [stdout]   |                                ^^^^^ use of undeclared crate or module `cases`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("Snake Case: {}", cases2::to_snake_case(sample));
[INFO] [stdout]   |                                ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cases`
[INFO] [stdout]  --> examples/usage.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("Camel Case: {}", cases::to_camel_case(sample));
[INFO] [stdout]   |                                ^^^^^ use of undeclared crate or module `cases`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("Camel Case: {}", cases2::to_camel_case(sample));
[INFO] [stdout]   |                                ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cases`
[INFO] [stdout]  --> examples/usage.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         cases::to_screaming_snake_case(sample)
[INFO] [stdout]   |         ^^^^^ use of undeclared crate or module `cases`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 |         cases2::to_screaming_snake_case(sample)
[INFO] [stdout]   |         ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cases`
[INFO] [stdout]   --> examples/usage.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     println!("Pascal Case: {}", cases::to_pascal_case(sample));
[INFO] [stdout]    |                                 ^^^^^ use of undeclared crate or module `cases`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 11 |     println!("Pascal Case: {}", cases2::to_pascal_case(sample));
[INFO] [stdout]    |                                 ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cases2` (example "usage") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "4c598265dbd484b4bc0a2524e837c54085a0d40db4eb831b73f0048e82723837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c598265dbd484b4bc0a2524e837c54085a0d40db4eb831b73f0048e82723837", kill_on_drop: false }`
[INFO] [stdout] 4c598265dbd484b4bc0a2524e837c54085a0d40db4eb831b73f0048e82723837
