[INFO] cloning repository https://github.com/mcfearsome/rust-evolvingstring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcfearsome/rust-evolvingstring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcfearsome%2Frust-evolvingstring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcfearsome%2Frust-evolvingstring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c4abfe506e796602cb26c4e6d861e71b6f6bac4
[INFO] building mcfearsome/rust-evolvingstring against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcfearsome%2Frust-evolvingstring" "/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/mcfearsome/rust-evolvingstring
[INFO] finished tweaking git repo https://github.com/mcfearsome/rust-evolvingstring
[INFO] tweaked toml for git repo https://github.com/mcfearsome/rust-evolvingstring written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mcfearsome/rust-evolvingstring on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mcfearsome/rust-evolvingstring 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 918277fd928d9477f11462729552c7354ffb53ce2ecbd3b26e46c1ce6a2a7b85
[INFO] running `Command { std: "docker" "start" "-a" "918277fd928d9477f11462729552c7354ffb53ce2ecbd3b26e46c1ce6a2a7b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "918277fd928d9477f11462729552c7354ffb53ce2ecbd3b26e46c1ce6a2a7b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918277fd928d9477f11462729552c7354ffb53ce2ecbd3b26e46c1ce6a2a7b85", kill_on_drop: false }`
[INFO] [stdout] 918277fd928d9477f11462729552c7354ffb53ce2ecbd3b26e46c1ce6a2a7b85
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85aba67a7726e0e4971bc5fc7df3ff73df26e1cbb728ba721b4432be463fbd2d
[INFO] running `Command { std: "docker" "start" "-a" "85aba67a7726e0e4971bc5fc7df3ff73df26e1cbb728ba721b4432be463fbd2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling evolvingstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.25s
[INFO] running `Command { std: "docker" "inspect" "85aba67a7726e0e4971bc5fc7df3ff73df26e1cbb728ba721b4432be463fbd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85aba67a7726e0e4971bc5fc7df3ff73df26e1cbb728ba721b4432be463fbd2d", kill_on_drop: false }`
[INFO] [stdout] 85aba67a7726e0e4971bc5fc7df3ff73df26e1cbb728ba721b4432be463fbd2d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d93d911e61106b16d00667ba8af4d891e889b3a837c2e43b9440ff798bb64b
[INFO] running `Command { std: "docker" "start" "-a" "28d93d911e61106b16d00667ba8af4d891e889b3a837c2e43b9440ff798bb64b", kill_on_drop: false }`
[INFO] [stderr]    Compiling evolvingstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "28d93d911e61106b16d00667ba8af4d891e889b3a837c2e43b9440ff798bb64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d93d911e61106b16d00667ba8af4d891e889b3a837c2e43b9440ff798bb64b", kill_on_drop: false }`
[INFO] [stdout] 28d93d911e61106b16d00667ba8af4d891e889b3a837c2e43b9440ff798bb64b