[INFO] cloning repository https://github.com/cicvedu/rustlings-semester-2-Mryan13
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rustlings-semester-2-Mryan13" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-Mryan13", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-Mryan13'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dff3082d885f14d8e1fd7b7a0222c5b28b1e1487
[INFO] checking cicvedu/rustlings-semester-2-Mryan13 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-Mryan13" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cicvedu/rustlings-semester-2-Mryan13 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/cicvedu/rustlings-semester-2-Mryan13
[INFO] finished tweaking git repo https://github.com/cicvedu/rustlings-semester-2-Mryan13
[INFO] tweaked toml for git repo https://github.com/cicvedu/rustlings-semester-2-Mryan13 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cicvedu/rustlings-semester-2-Mryan13 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 98647111244cc50992906576e69174303a4a5b607673ba030b40ae9f7e81ec2e
[INFO] running `Command { std: "docker" "start" "-a" "98647111244cc50992906576e69174303a4a5b607673ba030b40ae9f7e81ec2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98647111244cc50992906576e69174303a4a5b607673ba030b40ae9f7e81ec2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98647111244cc50992906576e69174303a4a5b607673ba030b40ae9f7e81ec2e", kill_on_drop: false }`
[INFO] [stdout] 98647111244cc50992906576e69174303a4a5b607673ba030b40ae9f7e81ec2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8e6c2ee591ca987a415c53d6bddd58d41dc776779f58a1a84ed41f585a0ad4e0
[INFO] running `Command { std: "docker" "start" "-a" "8e6c2ee591ca987a415c53d6bddd58d41dc776779f58a1a84ed41f585a0ad4e0", kill_on_drop: false }`
[INFO] [stderr]     Checking rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "8e6c2ee591ca987a415c53d6bddd58d41dc776779f58a1a84ed41f585a0ad4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6c2ee591ca987a415c53d6bddd58d41dc776779f58a1a84ed41f585a0ad4e0", kill_on_drop: false }`
[INFO] [stdout] 8e6c2ee591ca987a415c53d6bddd58d41dc776779f58a1a84ed41f585a0ad4e0
[INFO] checking cicvedu/rustlings-semester-2-Mryan13 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frustlings-semester-2-Mryan13" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cicvedu/rustlings-semester-2-Mryan13 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/cicvedu/rustlings-semester-2-Mryan13
[INFO] finished tweaking git repo https://github.com/cicvedu/rustlings-semester-2-Mryan13
[INFO] tweaked toml for git repo https://github.com/cicvedu/rustlings-semester-2-Mryan13 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cicvedu/rustlings-semester-2-Mryan13 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7723abc23aab5a817d544c44ec1d3482d2779c3b69cbe4459572222f38e022a3
[INFO] running `Command { std: "docker" "start" "-a" "7723abc23aab5a817d544c44ec1d3482d2779c3b69cbe4459572222f38e022a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7723abc23aab5a817d544c44ec1d3482d2779c3b69cbe4459572222f38e022a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7723abc23aab5a817d544c44ec1d3482d2779c3b69cbe4459572222f38e022a3", kill_on_drop: false }`
[INFO] [stdout] 7723abc23aab5a817d544c44ec1d3482d2779c3b69cbe4459572222f38e022a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ea4308bc778366b62108163895f91727bd64790a7704e58e3c86e6945bed64d8
[INFO] running `Command { std: "docker" "start" "-a" "ea4308bc778366b62108163895f91727bd64790a7704e58e3c86e6945bed64d8", kill_on_drop: false }`
[INFO] [stderr]     Checking rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ea4308bc778366b62108163895f91727bd64790a7704e58e3c86e6945bed64d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4308bc778366b62108163895f91727bd64790a7704e58e3c86e6945bed64d8", kill_on_drop: false }`
[INFO] [stdout] ea4308bc778366b62108163895f91727bd64790a7704e58e3c86e6945bed64d8