[INFO] cloning repository https://github.com/Dherse/LELEC2315-Homework1-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dherse/LELEC2315-Homework1-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDherse%2FLELEC2315-Homework1-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDherse%2FLELEC2315-Homework1-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6bb8e17c79627e83637c82a4e53919e368c34a6e [INFO] checking Dherse/LELEC2315-Homework1-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDherse%2FLELEC2315-Homework1-rs" "/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/Dherse/LELEC2315-Homework1-rs 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/Dherse/LELEC2315-Homework1-rs [INFO] finished tweaking git repo https://github.com/Dherse/LELEC2315-Homework1-rs [INFO] tweaked toml for git repo https://github.com/Dherse/LELEC2315-Homework1-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Dherse/LELEC2315-Homework1-rs 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 clang-sys v1.1.0 [INFO] [stderr] Downloaded regex v1.4.3 [INFO] [stderr] Downloaded bindgen v0.57.0 [INFO] [stderr] Downloaded regex-syntax v0.6.22 [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] e171846fefc1560522d840db2cab06c727e805815697bb9006d199ad035069b7 [INFO] running `Command { std: "docker" "start" "-a" "e171846fefc1560522d840db2cab06c727e805815697bb9006d199ad035069b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e171846fefc1560522d840db2cab06c727e805815697bb9006d199ad035069b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e171846fefc1560522d840db2cab06c727e805815697bb9006d199ad035069b7", kill_on_drop: false }` [INFO] [stdout] e171846fefc1560522d840db2cab06c727e805815697bb9006d199ad035069b7 [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] 0dbecfd804d6baa543777e5dc6070b1495beca4904a99ed0cd6fdfe1e747da3d [INFO] running `Command { std: "docker" "start" "-a" "0dbecfd804d6baa543777e5dc6070b1495beca4904a99ed0cd6fdfe1e747da3d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling bindgen v0.57.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling libloading v0.6.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling clang-sys v1.1.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.2 [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.01s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "0dbecfd804d6baa543777e5dc6070b1495beca4904a99ed0cd6fdfe1e747da3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dbecfd804d6baa543777e5dc6070b1495beca4904a99ed0cd6fdfe1e747da3d", kill_on_drop: false }` [INFO] [stdout] 0dbecfd804d6baa543777e5dc6070b1495beca4904a99ed0cd6fdfe1e747da3d [INFO] checking Dherse/LELEC2315-Homework1-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDherse%2FLELEC2315-Homework1-rs" "/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/Dherse/LELEC2315-Homework1-rs 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/Dherse/LELEC2315-Homework1-rs [INFO] finished tweaking git repo https://github.com/Dherse/LELEC2315-Homework1-rs [INFO] tweaked toml for git repo https://github.com/Dherse/LELEC2315-Homework1-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Dherse/LELEC2315-Homework1-rs 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] 55db9eb4272e9de5667aaf11722bfdcd39367167bd0797e92293e8c358e396c2 [INFO] running `Command { std: "docker" "start" "-a" "55db9eb4272e9de5667aaf11722bfdcd39367167bd0797e92293e8c358e396c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55db9eb4272e9de5667aaf11722bfdcd39367167bd0797e92293e8c358e396c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55db9eb4272e9de5667aaf11722bfdcd39367167bd0797e92293e8c358e396c2", kill_on_drop: false }` [INFO] [stdout] 55db9eb4272e9de5667aaf11722bfdcd39367167bd0797e92293e8c358e396c2 [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] c7471f9ff62f0ab7700852bad182d2d1b7a63abd560f3882c094c8c1fa96b40b [INFO] running `Command { std: "docker" "start" "-a" "c7471f9ff62f0ab7700852bad182d2d1b7a63abd560f3882c094c8c1fa96b40b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling bindgen v0.57.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling libloading v0.6.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling clang-sys v1.1.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.2 [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.79s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "c7471f9ff62f0ab7700852bad182d2d1b7a63abd560f3882c094c8c1fa96b40b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7471f9ff62f0ab7700852bad182d2d1b7a63abd560f3882c094c8c1fa96b40b", kill_on_drop: false }` [INFO] [stdout] c7471f9ff62f0ab7700852bad182d2d1b7a63abd560f3882c094c8c1fa96b40b