[INFO] cloning repository https://github.com/kkibria/mdbook-frntmtr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kkibria/mdbook-frntmtr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkibria%2Fmdbook-frntmtr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkibria%2Fmdbook-frntmtr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e70dd0fd559da8860ceca06b6cfeb50a33cd9e5
[INFO] checking kkibria/mdbook-frntmtr against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for pr-155501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkibria%2Fmdbook-frntmtr" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kkibria/mdbook-frntmtr
[INFO] finished tweaking git repo https://github.com/kkibria/mdbook-frntmtr
[INFO] tweaked toml for git repo https://github.com/kkibria/mdbook-frntmtr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kkibria/mdbook-frntmtr on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kkibria/mdbook-frntmtr 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388a2e68ad6172b78f5fb2558cea6552f9d388b22ecc11a3290641a7582494ec
[INFO] running `Command { std: "docker" "start" "-a" "388a2e68ad6172b78f5fb2558cea6552f9d388b22ecc11a3290641a7582494ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388a2e68ad6172b78f5fb2558cea6552f9d388b22ecc11a3290641a7582494ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388a2e68ad6172b78f5fb2558cea6552f9d388b22ecc11a3290641a7582494ec", kill_on_drop: false }`
[INFO] [stdout] 388a2e68ad6172b78f5fb2558cea6552f9d388b22ecc11a3290641a7582494ec
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7782ca5997606b7662e39d48d7106937dd69484a764dc28d4a236f39c58494f9
[INFO] running `Command { std: "docker" "start" "-a" "7782ca5997606b7662e39d48d7106937dd69484a764dc28d4a236f39c58494f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking regex-syntax v0.8.9
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking clap_lex v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking self_cell v1.2.2
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking memo-map v0.3.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking clap_builder v4.5.60
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking filetime v0.2.27
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]     Checking which v6.0.3
[INFO] [stderr]     Checking clap v4.5.60
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml v0.9.12+spec-1.1.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking mdbook-core v0.5.2
[INFO] [stderr]     Checking minijinja v2.15.1
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking mdbook-preprocessor v0.5.2
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking mdbook-frntmtr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.80s
[INFO] running `Command { std: "docker" "inspect" "7782ca5997606b7662e39d48d7106937dd69484a764dc28d4a236f39c58494f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7782ca5997606b7662e39d48d7106937dd69484a764dc28d4a236f39c58494f9", kill_on_drop: false }`
[INFO] [stdout] 7782ca5997606b7662e39d48d7106937dd69484a764dc28d4a236f39c58494f9