[INFO] cloning repository https://github.com/lf-/necktangler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lf-/necktangler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fnecktangler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fnecktangler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e756c50b22d0c13a06ad9d95216b9aa27c275a2
[INFO] checking lf-/necktangler against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fnecktangler" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lf-/necktangler 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/lf-/necktangler
[INFO] finished tweaking git repo https://github.com/lf-/necktangler
[INFO] tweaked toml for git repo https://github.com/lf-/necktangler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lf-/necktangler 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gix-refspec v0.23.0
[INFO] [stderr]   Downloaded gix-traverse v0.38.0
[INFO] [stderr]   Downloaded gix-object v0.42.1
[INFO] [stderr]   Downloaded gix-ref v0.43.0
[INFO] [stderr]   Downloaded gix-diff v0.42.0
[INFO] [stderr]   Downloaded gix-discover v0.31.0
[INFO] [stderr]   Downloaded gix-odb v0.59.0
[INFO] [stderr]   Downloaded gix-config v0.36.0
[INFO] [stderr]   Downloaded gix v0.61.0
[INFO] [stderr]   Downloaded gix-pack v0.49.0
[INFO] [stderr]   Downloaded gix-revision v0.27.0
[INFO] [stderr]   Downloaded gix-actor v0.31.1
[INFO] [stderr]   Downloaded gix-revwalk v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 509e5347cbce98bd40036761fdad9a03a1009d73e1af40e88c42c636e55c0ea5
[INFO] running `Command { std: "docker" "start" "-a" "509e5347cbce98bd40036761fdad9a03a1009d73e1af40e88c42c636e55c0ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509e5347cbce98bd40036761fdad9a03a1009d73e1af40e88c42c636e55c0ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509e5347cbce98bd40036761fdad9a03a1009d73e1af40e88c42c636e55c0ea5", kill_on_drop: false }`
[INFO] [stdout] 509e5347cbce98bd40036761fdad9a03a1009d73e1af40e88c42c636e55c0ea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7edc2591d541effb643b31f4389f31a49bd8c4913fbe51860a6b3b6df44f8014
[INFO] running `Command { std: "docker" "start" "-a" "7edc2591d541effb643b31f4389f31a49bd8c4913fbe51860a6b3b6df44f8014", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking gix-trace v0.1.8
[INFO] [stderr]     Checking faster-hex v0.9.0
[INFO] [stderr]     Checking prodash v28.0.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking gix-utils v0.1.11
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking gix-sec v0.10.6
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking clru v0.6.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking arc-swap v1.7.0
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]    Compiling gix-macros v0.1.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking gix-hash v0.14.2
[INFO] [stderr]     Checking gix-date v0.8.5
[INFO] [stderr]     Checking gix-validate v0.8.4
[INFO] [stderr]     Checking gix-path v0.10.7
[INFO] [stderr]     Checking gix-chunk v0.4.8
[INFO] [stderr]     Checking gix-quote v0.4.12
[INFO] [stderr]     Checking gix-features v0.38.1
[INFO] [stderr]     Checking gix-hashtable v0.5.2
[INFO] [stderr]     Checking gix-config-value v0.14.6
[INFO] [stderr]     Checking gix-actor v0.31.1
[INFO] [stderr]     Checking gix-fs v0.10.1
[INFO] [stderr]     Checking gix-commitgraph v0.24.2
[INFO] [stderr]     Checking gix-glob v0.16.2
[INFO] [stderr]     Checking gix-url v0.27.2
[INFO] [stderr]     Checking gix-tempfile v13.1.1
[INFO] [stderr]     Checking gix-object v0.42.1
[INFO] [stderr]     Checking gix-lock v13.1.1
[INFO] [stderr]     Checking clap v4.5.3
[INFO] [stderr]     Checking gix-revwalk v0.13.0
[INFO] [stderr]     Checking gix-ref v0.43.0
[INFO] [stderr]     Checking gix-pack v0.49.0
[INFO] [stderr]     Checking gix-diff v0.42.0
[INFO] [stderr]     Checking gix-revision v0.27.0
[INFO] [stderr]     Checking gix-traverse v0.38.0
[INFO] [stderr]     Checking gix-refspec v0.23.0
[INFO] [stderr]     Checking gix-odb v0.59.0
[INFO] [stderr]     Checking gix-config v0.36.0
[INFO] [stderr]     Checking gix-discover v0.31.0
[INFO] [stderr]     Checking gix v0.61.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking necktangler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.21s
[INFO] running `Command { std: "docker" "inspect" "7edc2591d541effb643b31f4389f31a49bd8c4913fbe51860a6b3b6df44f8014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edc2591d541effb643b31f4389f31a49bd8c4913fbe51860a6b3b6df44f8014", kill_on_drop: false }`
[INFO] [stdout] 7edc2591d541effb643b31f4389f31a49bd8c4913fbe51860a6b3b6df44f8014
[INFO] checking lf-/necktangler against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fnecktangler" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lf-/necktangler 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/lf-/necktangler
[INFO] finished tweaking git repo https://github.com/lf-/necktangler
[INFO] tweaked toml for git repo https://github.com/lf-/necktangler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lf-/necktangler 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 49f11b3e3d6ba74e1d57d9736113ec58764cba3aa4c753b80af982395bdb7357
[INFO] running `Command { std: "docker" "start" "-a" "49f11b3e3d6ba74e1d57d9736113ec58764cba3aa4c753b80af982395bdb7357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f11b3e3d6ba74e1d57d9736113ec58764cba3aa4c753b80af982395bdb7357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f11b3e3d6ba74e1d57d9736113ec58764cba3aa4c753b80af982395bdb7357", kill_on_drop: false }`
[INFO] [stdout] 49f11b3e3d6ba74e1d57d9736113ec58764cba3aa4c753b80af982395bdb7357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5c0b62e1d21a8db5dc87d94d2f34f893d4d639c9a63643dfc3119343dc4e43d8
[INFO] running `Command { std: "docker" "start" "-a" "5c0b62e1d21a8db5dc87d94d2f34f893d4d639c9a63643dfc3119343dc4e43d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking faster-hex v0.9.0
[INFO] [stderr]     Checking gix-trace v0.1.8
[INFO] [stderr]     Checking prodash v28.0.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking clru v0.6.1
[INFO] [stderr]     Checking gix-sec v0.10.6
[INFO] [stderr]     Checking gix-utils v0.1.11
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking arc-swap v1.7.0
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling gix-macros v0.1.4
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking gix-hash v0.14.2
[INFO] [stderr]     Checking gix-date v0.8.5
[INFO] [stderr]     Checking gix-validate v0.8.4
[INFO] [stderr]     Checking gix-path v0.10.7
[INFO] [stderr]     Checking gix-chunk v0.4.8
[INFO] [stderr]     Checking gix-quote v0.4.12
[INFO] [stderr]     Checking gix-actor v0.31.1
[INFO] [stderr]     Checking gix-features v0.38.1
[INFO] [stderr]     Checking gix-hashtable v0.5.2
[INFO] [stderr]     Checking gix-config-value v0.14.6
[INFO] [stderr]     Checking gix-fs v0.10.1
[INFO] [stderr]     Checking gix-commitgraph v0.24.2
[INFO] [stderr]     Checking gix-glob v0.16.2
[INFO] [stderr]     Checking gix-url v0.27.2
[INFO] [stderr]     Checking gix-object v0.42.1
[INFO] [stderr]     Checking gix-tempfile v13.1.1
[INFO] [stderr]     Checking clap v4.5.3
[INFO] [stderr]     Checking gix-lock v13.1.1
[INFO] [stderr]     Checking gix-revwalk v0.13.0
[INFO] [stderr]     Checking gix-ref v0.43.0
[INFO] [stderr]     Checking gix-pack v0.49.0
[INFO] [stderr]     Checking gix-diff v0.42.0
[INFO] [stderr]     Checking gix-revision v0.27.0
[INFO] [stderr]     Checking gix-traverse v0.38.0
[INFO] [stderr]     Checking gix-refspec v0.23.0
[INFO] [stderr]     Checking gix-discover v0.31.0
[INFO] [stderr]     Checking gix-config v0.36.0
[INFO] [stderr]     Checking gix-odb v0.59.0
[INFO] [stderr]     Checking gix v0.61.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking necktangler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `Command { std: "docker" "inspect" "5c0b62e1d21a8db5dc87d94d2f34f893d4d639c9a63643dfc3119343dc4e43d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0b62e1d21a8db5dc87d94d2f34f893d4d639c9a63643dfc3119343dc4e43d8", kill_on_drop: false }`
[INFO] [stdout] 5c0b62e1d21a8db5dc87d94d2f34f893d4d639c9a63643dfc3119343dc4e43d8