[INFO] fetching crate ju-tcs-tbop-24-jfk 0.1.2...
[INFO] testing ju-tcs-tbop-24-jfk-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ju-tcs-tbop-24-jfk 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ju-tcs-tbop-24-jfk 0.1.2
[INFO] finished tweaking crates.io crate ju-tcs-tbop-24-jfk 0.1.2
[INFO] tweaked toml for crates.io crate ju-tcs-tbop-24-jfk 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ju-tcs-tbop-24-jfk 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ju-tcs-tbop-24-jfk 0.1.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b5d16407375f5242fbe125832c89dacd4fb60d15fb89cc506fb9f3fcfd56610
[INFO] running `Command { std: "docker" "start" "-a" "6b5d16407375f5242fbe125832c89dacd4fb60d15fb89cc506fb9f3fcfd56610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5d16407375f5242fbe125832c89dacd4fb60d15fb89cc506fb9f3fcfd56610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5d16407375f5242fbe125832c89dacd4fb60d15fb89cc506fb9f3fcfd56610", kill_on_drop: false }`
[INFO] [stdout] 6b5d16407375f5242fbe125832c89dacd4fb60d15fb89cc506fb9f3fcfd56610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7331d39cb63eda7e1f50b169400112fba85609e60114462df953d5833aecf17d
[INFO] running `Command { std: "docker" "start" "-a" "7331d39cb63eda7e1f50b169400112fba85609e60114462df953d5833aecf17d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling ju-tcs-tbop-24-bb v0.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling clap v4.5.2
[INFO] [stderr]    Compiling ju-tcs-tbop-24-jfk v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `head` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     head { n: usize, file: String },
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Head`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `tail` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     tail { n: usize, file: String },
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Tail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.70s
[INFO] running `Command { std: "docker" "inspect" "7331d39cb63eda7e1f50b169400112fba85609e60114462df953d5833aecf17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7331d39cb63eda7e1f50b169400112fba85609e60114462df953d5833aecf17d", kill_on_drop: false }`
[INFO] [stdout] 7331d39cb63eda7e1f50b169400112fba85609e60114462df953d5833aecf17d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7ac67383d56401329489bd0c95eb81f4e999d26f878b7c554380c5fa5972350
[INFO] running `Command { std: "docker" "start" "-a" "d7ac67383d56401329489bd0c95eb81f4e999d26f878b7c554380c5fa5972350", kill_on_drop: false }`
[INFO] [stderr]    Compiling ju-tcs-tbop-24-jfk v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `head` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     head { n: usize, file: String },
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Head`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `tail` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     tail { n: usize, file: String },
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Tail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d7ac67383d56401329489bd0c95eb81f4e999d26f878b7c554380c5fa5972350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ac67383d56401329489bd0c95eb81f4e999d26f878b7c554380c5fa5972350", kill_on_drop: false }`
[INFO] [stdout] d7ac67383d56401329489bd0c95eb81f4e999d26f878b7c554380c5fa5972350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ce725cd72712ced453e6b400fd98117f1df764ff7fc93abfb387e63ab09f7dd
[INFO] running `Command { std: "docker" "start" "-a" "6ce725cd72712ced453e6b400fd98117f1df764ff7fc93abfb387e63ab09f7dd", kill_on_drop: false }`
[INFO] [stderr] warning: variant `head` should have an upper camel case name
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 14 |     head { n: usize, file: String },
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Head`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `tail` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     tail { n: usize, file: String },
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Tail`
[INFO] [stderr] 
[INFO] [stderr] warning: `ju-tcs-tbop-24-jfk` (bin "ju-tcs-tbop-24-jfk" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ju_tcs_tbop_24_jfk-a45aba90daef4f76)
[INFO] running `Command { std: "docker" "inspect" "6ce725cd72712ced453e6b400fd98117f1df764ff7fc93abfb387e63ab09f7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce725cd72712ced453e6b400fd98117f1df764ff7fc93abfb387e63ab09f7dd", kill_on_drop: false }`
[INFO] [stdout] 6ce725cd72712ced453e6b400fd98117f1df764ff7fc93abfb387e63ab09f7dd