[INFO] cloning repository https://github.com/sammyfilly/Letting-kstring [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammyfilly/Letting-kstring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyfilly%2FLetting-kstring", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyfilly%2FLetting-kstring'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5997d7a8b0c51fa5d99a4e38d1ac401bc81fc1e5 [INFO] checking sammyfilly/Letting-kstring against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyfilly%2FLetting-kstring" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sammyfilly/Letting-kstring on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sammyfilly/Letting-kstring [INFO] finished tweaking git repo https://github.com/sammyfilly/Letting-kstring [INFO] tweaked toml for git repo https://github.com/sammyfilly/Letting-kstring written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sammyfilly/Letting-kstring 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded document-features v0.2.6 [INFO] [stderr] Downloaded once_cell v1.17.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46ea93c3b0dd5c5eea9ddca53aeb4fd7e8e8707b77e5dc5ca6af17a3fb3e20dd [INFO] running `Command { std: "docker" "start" "-a" "46ea93c3b0dd5c5eea9ddca53aeb4fd7e8e8707b77e5dc5ca6af17a3fb3e20dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46ea93c3b0dd5c5eea9ddca53aeb4fd7e8e8707b77e5dc5ca6af17a3fb3e20dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46ea93c3b0dd5c5eea9ddca53aeb4fd7e8e8707b77e5dc5ca6af17a3fb3e20dd", kill_on_drop: false }` [INFO] [stdout] 46ea93c3b0dd5c5eea9ddca53aeb4fd7e8e8707b77e5dc5ca6af17a3fb3e20dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae6ae84be6573699f7815ffea261a4be491173194f3bbef6fcf9e7d14c8e1446 [INFO] running `Command { std: "docker" "start" "-a" "ae6ae84be6573699f7815ffea261a4be491173194f3bbef6fcf9e7d14c8e1446", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling serde_derive v1.0.145 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking anstyle v1.0.0 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ciborium-ll v0.2.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking clap_builder v4.3.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking once_cell v1.17.2 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking kstring v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking clap v4.3.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking proptest v1.2.0 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking ciborium v0.2.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.44s [INFO] running `Command { std: "docker" "inspect" "ae6ae84be6573699f7815ffea261a4be491173194f3bbef6fcf9e7d14c8e1446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae6ae84be6573699f7815ffea261a4be491173194f3bbef6fcf9e7d14c8e1446", kill_on_drop: false }` [INFO] [stdout] ae6ae84be6573699f7815ffea261a4be491173194f3bbef6fcf9e7d14c8e1446 [INFO] checking sammyfilly/Letting-kstring against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyfilly%2FLetting-kstring" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sammyfilly/Letting-kstring on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sammyfilly/Letting-kstring [INFO] finished tweaking git repo https://github.com/sammyfilly/Letting-kstring [INFO] tweaked toml for git repo https://github.com/sammyfilly/Letting-kstring written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sammyfilly/Letting-kstring 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d857bf022e70736b6c24a8e4309669992e9d4f44ebc1a57feb945a3586924f00 [INFO] running `Command { std: "docker" "start" "-a" "d857bf022e70736b6c24a8e4309669992e9d4f44ebc1a57feb945a3586924f00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d857bf022e70736b6c24a8e4309669992e9d4f44ebc1a57feb945a3586924f00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d857bf022e70736b6c24a8e4309669992e9d4f44ebc1a57feb945a3586924f00", kill_on_drop: false }` [INFO] [stdout] d857bf022e70736b6c24a8e4309669992e9d4f44ebc1a57feb945a3586924f00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bcf555e3574cc449479e7776ca2cd9bf38b613f34f770c35a5eaf1d1c741cf9 [INFO] running `Command { std: "docker" "start" "-a" "3bcf555e3574cc449479e7776ca2cd9bf38b613f34f770c35a5eaf1d1c741cf9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling serde_derive v1.0.145 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking anstyle v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking ciborium-ll v0.2.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking clap_builder v4.3.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking once_cell v1.17.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking kstring v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking proptest v1.2.0 [INFO] [stderr] Checking clap v4.3.0 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking ciborium v0.2.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.58s [INFO] running `Command { std: "docker" "inspect" "3bcf555e3574cc449479e7776ca2cd9bf38b613f34f770c35a5eaf1d1c741cf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bcf555e3574cc449479e7776ca2cd9bf38b613f34f770c35a5eaf1d1c741cf9", kill_on_drop: false }` [INFO] [stdout] 3bcf555e3574cc449479e7776ca2cd9bf38b613f34f770c35a5eaf1d1c741cf9