[INFO] cloning repository https://github.com/Byron/rust-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Byron/rust-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByron%2Frust-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByron%2Frust-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f16522fbd01fb1361ac4b94746e3d46539a54355
[INFO] checking Byron/rust-tracer against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByron%2Frust-tracer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Byron/rust-tracer
[INFO] finished tweaking git repo https://github.com/Byron/rust-tracer
[INFO] tweaked toml for git repo https://github.com/Byron/rust-tracer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Byron/rust-tracer on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Byron/rust-tracer 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dda5be38222f9203049d0bba933358eee59c06a344774662fc722903623b52f7
[INFO] running `Command { std: "docker" "start" "-a" "dda5be38222f9203049d0bba933358eee59c06a344774662fc722903623b52f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda5be38222f9203049d0bba933358eee59c06a344774662fc722903623b52f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda5be38222f9203049d0bba933358eee59c06a344774662fc722903623b52f7", kill_on_drop: false }`
[INFO] [stdout] dda5be38222f9203049d0bba933358eee59c06a344774662fc722903623b52f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe270dcc9f56a0fc4654b28a504adc08aa8e96d008f3bbdb7ad553311b2cdf25
[INFO] running `Command { std: "docker" "start" "-a" "fe270dcc9f56a0fc4654b28a504adc08aa8e96d008f3bbdb7ad553311b2cdf25", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.19.3/src/macros.rs:510:34
[INFO] [stdout]     |
[INFO] [stdout] 510 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: fragment specifiers must be provided
[INFO] [stdout]     = help: valid fragment specifiers are `ident`, `block`, `stmt`, `expr`, `pat`, `ty`, `lifetime`, `literal`, `path`, `meta`, `tt`, `item` and `vis`, along with `expr_2021` and `pat_param` for edition compatibility
[INFO] [stdout] help: try adding a specifier here
[INFO] [stdout]     |
[INFO] [stdout] 510 |     (@arg ($arg:expr) $modes:tt !$ident:spec $($tail:tt)*) => {
[INFO] [stdout]     |                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fe270dcc9f56a0fc4654b28a504adc08aa8e96d008f3bbdb7ad553311b2cdf25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe270dcc9f56a0fc4654b28a504adc08aa8e96d008f3bbdb7ad553311b2cdf25", kill_on_drop: false }`
[INFO] [stdout] fe270dcc9f56a0fc4654b28a504adc08aa8e96d008f3bbdb7ad553311b2cdf25
