[INFO] cloning repository https://github.com/fujitayy/learn-regex-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fujitayy/learn-regex-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujitayy%2Flearn-regex-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujitayy%2Flearn-regex-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 700dba3a940bcdd42f54fa90df490f0b5e650269
[INFO] checking fujitayy/learn-regex-engine against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujitayy%2Flearn-regex-engine" "/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/fujitayy/learn-regex-engine on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fujitayy/learn-regex-engine
[INFO] finished tweaking git repo https://github.com/fujitayy/learn-regex-engine
[INFO] tweaked toml for git repo https://github.com/fujitayy/learn-regex-engine written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fujitayy/learn-regex-engine 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be4c5c734006534d1866d90d76c47b38675d9df5e70b1974187bd11e3bd59f77
[INFO] running `Command { std: "docker" "start" "-a" "be4c5c734006534d1866d90d76c47b38675d9df5e70b1974187bd11e3bd59f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4c5c734006534d1866d90d76c47b38675d9df5e70b1974187bd11e3bd59f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4c5c734006534d1866d90d76c47b38675d9df5e70b1974187bd11e3bd59f77", kill_on_drop: false }`
[INFO] [stdout] be4c5c734006534d1866d90d76c47b38675d9df5e70b1974187bd11e3bd59f77
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99029edb27572f6e4474335e21339409d37ca890f5f8abf75def10fd487ddf75
[INFO] running `Command { std: "docker" "start" "-a" "99029edb27572f6e4474335e21339409d37ca890f5f8abf75def10fd487ddf75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]     Checking object v0.35.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.72
[INFO] [stderr]     Checking learn-regex-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "99029edb27572f6e4474335e21339409d37ca890f5f8abf75def10fd487ddf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99029edb27572f6e4474335e21339409d37ca890f5f8abf75def10fd487ddf75", kill_on_drop: false }`
[INFO] [stdout] 99029edb27572f6e4474335e21339409d37ca890f5f8abf75def10fd487ddf75
[INFO] checking fujitayy/learn-regex-engine against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffujitayy%2Flearn-regex-engine" "/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/fujitayy/learn-regex-engine on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fujitayy/learn-regex-engine
[INFO] finished tweaking git repo https://github.com/fujitayy/learn-regex-engine
[INFO] tweaked toml for git repo https://github.com/fujitayy/learn-regex-engine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fujitayy/learn-regex-engine 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c2a4cc0a292f432e4d820d704fcc50cade510e984212836a7ba4b97a99a86d0
[INFO] running `Command { std: "docker" "start" "-a" "8c2a4cc0a292f432e4d820d704fcc50cade510e984212836a7ba4b97a99a86d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2a4cc0a292f432e4d820d704fcc50cade510e984212836a7ba4b97a99a86d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2a4cc0a292f432e4d820d704fcc50cade510e984212836a7ba4b97a99a86d0", kill_on_drop: false }`
[INFO] [stdout] 8c2a4cc0a292f432e4d820d704fcc50cade510e984212836a7ba4b97a99a86d0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b574f34a1bac1524931b9d7f16f9442f0b986fa85b9106fe9fc417c01d7e06a6
[INFO] running `Command { std: "docker" "start" "-a" "b574f34a1bac1524931b9d7f16f9442f0b986fa85b9106fe9fc417c01d7e06a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking object v0.35.0
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.72
[INFO] [stderr]     Checking learn-regex-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "b574f34a1bac1524931b9d7f16f9442f0b986fa85b9106fe9fc417c01d7e06a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b574f34a1bac1524931b9d7f16f9442f0b986fa85b9106fe9fc417c01d7e06a6", kill_on_drop: false }`
[INFO] [stdout] b574f34a1bac1524931b9d7f16f9442f0b986fa85b9106fe9fc417c01d7e06a6