[INFO] cloning repository https://github.com/Vagab/xre2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vagab/xre2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagab%2Fxre2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagab%2Fxre2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6f4701225372e421d8a8c36d829ec5cbdb5f398
[INFO] checking Vagab/xre2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagab%2Fxre2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vagab/xre2 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/Vagab/xre2
[INFO] finished tweaking git repo https://github.com/Vagab/xre2
[INFO] tweaked toml for git repo https://github.com/Vagab/xre2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Vagab/xre2 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pcre2 v0.2.7
[INFO] [stderr]   Downloaded magnus-macros v0.6.0
[INFO] [stderr]   Downloaded rb-sys v0.9.90
[INFO] [stderr]   Downloaded rb-sys-env v0.1.2
[INFO] [stderr]   Downloaded rb-sys-build v0.9.90
[INFO] [stderr]   Downloaded magnus v0.6.2
[INFO] [stderr]   Downloaded pcre2-sys v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a6d9743197a789def373d9901d0b95a5415e9e2ad91816227aaa92da55120796
[INFO] running `Command { std: "docker" "start" "-a" "a6d9743197a789def373d9901d0b95a5415e9e2ad91816227aaa92da55120796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d9743197a789def373d9901d0b95a5415e9e2ad91816227aaa92da55120796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d9743197a789def373d9901d0b95a5415e9e2ad91816227aaa92da55120796", kill_on_drop: false }`
[INFO] [stdout] a6d9743197a789def373d9901d0b95a5415e9e2ad91816227aaa92da55120796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a2265c9db4c3bc4749afa53e0dfc82a9673d3e7bb300314655314a67fe61000e
[INFO] running `Command { std: "docker" "start" "-a" "a2265c9db4c3bc4749afa53e0dfc82a9673d3e7bb300314655314a67fe61000e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling pcre2-sys v0.2.9
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking pcre2 v0.2.7
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]     Checking fancy-regex v0.13.0
[INFO] [stderr]    Compiling rb-sys-build v0.9.90
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling rb-sys v0.9.90
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking xre2 v0.1.0 (/opt/rustwide/workdir/ext/xre2)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.84s
[INFO] running `Command { std: "docker" "inspect" "a2265c9db4c3bc4749afa53e0dfc82a9673d3e7bb300314655314a67fe61000e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2265c9db4c3bc4749afa53e0dfc82a9673d3e7bb300314655314a67fe61000e", kill_on_drop: false }`
[INFO] [stdout] a2265c9db4c3bc4749afa53e0dfc82a9673d3e7bb300314655314a67fe61000e
[INFO] checking Vagab/xre2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagab%2Fxre2" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vagab/xre2 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/Vagab/xre2
[INFO] finished tweaking git repo https://github.com/Vagab/xre2
[INFO] tweaked toml for git repo https://github.com/Vagab/xre2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Vagab/xre2 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14060725889e92dfd30427b2e2d9c2a14d865ffcd271c4fc435d1c347434ebef
[INFO] running `Command { std: "docker" "start" "-a" "14060725889e92dfd30427b2e2d9c2a14d865ffcd271c4fc435d1c347434ebef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14060725889e92dfd30427b2e2d9c2a14d865ffcd271c4fc435d1c347434ebef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14060725889e92dfd30427b2e2d9c2a14d865ffcd271c4fc435d1c347434ebef", kill_on_drop: false }`
[INFO] [stdout] 14060725889e92dfd30427b2e2d9c2a14d865ffcd271c4fc435d1c347434ebef
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e7faff0d6fbe9210bb5cea7921562011b47765a432822a481c810bd9ca02492
[INFO] running `Command { std: "docker" "start" "-a" "3e7faff0d6fbe9210bb5cea7921562011b47765a432822a481c810bd9ca02492", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling pcre2-sys v0.2.9
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking pcre2 v0.2.7
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]     Checking fancy-regex v0.13.0
[INFO] [stderr]    Compiling rb-sys-build v0.9.90
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling rb-sys v0.9.90
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking xre2 v0.1.0 (/opt/rustwide/workdir/ext/xre2)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.57s
[INFO] running `Command { std: "docker" "inspect" "3e7faff0d6fbe9210bb5cea7921562011b47765a432822a481c810bd9ca02492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7faff0d6fbe9210bb5cea7921562011b47765a432822a481c810bd9ca02492", kill_on_drop: false }`
[INFO] [stdout] 3e7faff0d6fbe9210bb5cea7921562011b47765a432822a481c810bd9ca02492