[INFO] fetching crate rrgen 0.5.2...
[INFO] checking rrgen-0.5.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rrgen 0.5.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rrgen 0.5.2 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 crates.io crate rrgen 0.5.2
[INFO] finished tweaking crates.io crate rrgen 0.5.2
[INFO] tweaked toml for crates.io crate rrgen 0.5.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 118 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding chrono-tz v0.8.6 (latest: v0.9.0)
[INFO] [stderr]       Adding chrono-tz-build v0.2.1 (latest: v0.3.0)
[INFO] [stderr]       Adding cruet v0.13.3 (latest: v0.14.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding globwalk v0.8.1 (latest: v0.9.1)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 cruet v0.13.3
[INFO] [stderr]   Downloaded dir-diff v0.3.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c50b78f3817e30707b1c3dcc86764a6d3f1b64c4f2e7fb85e57c5d77c8ebd802
[INFO] running `Command { std: "docker" "start" "-a" "c50b78f3817e30707b1c3dcc86764a6d3f1b64c4f2e7fb85e57c5d77c8ebd802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c50b78f3817e30707b1c3dcc86764a6d3f1b64c4f2e7fb85e57c5d77c8ebd802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50b78f3817e30707b1c3dcc86764a6d3f1b64c4f2e7fb85e57c5d77c8ebd802", kill_on_drop: false }`
[INFO] [stdout] c50b78f3817e30707b1c3dcc86764a6d3f1b64c4f2e7fb85e57c5d77c8ebd802
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f2f3217b38a02d0c721d5c4d83cef8d02cdadc3eb48293e2025c4b92d3d956
[INFO] running `Command { std: "docker" "start" "-a" "d4f2f3217b38a02d0c721d5c4d83cef8d02cdadc3eb48293e2025c4b92d3d956", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking deunicode v1.4.3
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking dir-diff v0.3.3
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking slug v0.1.5
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking chrono-tz v0.8.6
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking cruet v0.13.3
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tera v1.19.1
[INFO] [stderr]     Checking rrgen v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `fs_extra` is imported redundantly
[INFO] [stdout]  --> tests/gen_test.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fs_extra::{self, dir::CopyOptions};
[INFO] [stdout]   |                ^^^^ the item `fs_extra` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "d4f2f3217b38a02d0c721d5c4d83cef8d02cdadc3eb48293e2025c4b92d3d956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f2f3217b38a02d0c721d5c4d83cef8d02cdadc3eb48293e2025c4b92d3d956", kill_on_drop: false }`
[INFO] [stdout] d4f2f3217b38a02d0c721d5c4d83cef8d02cdadc3eb48293e2025c4b92d3d956
[INFO] checking rrgen-0.5.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rrgen 0.5.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rrgen 0.5.2 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 crates.io crate rrgen 0.5.2
[INFO] finished tweaking crates.io crate rrgen 0.5.2
[INFO] tweaked toml for crates.io crate rrgen 0.5.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75fe6bebda3c8af3068ba95c99c418a81ec9cf4b57140da95d9f048f648b69db
[INFO] running `Command { std: "docker" "start" "-a" "75fe6bebda3c8af3068ba95c99c418a81ec9cf4b57140da95d9f048f648b69db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75fe6bebda3c8af3068ba95c99c418a81ec9cf4b57140da95d9f048f648b69db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fe6bebda3c8af3068ba95c99c418a81ec9cf4b57140da95d9f048f648b69db", kill_on_drop: false }`
[INFO] [stdout] 75fe6bebda3c8af3068ba95c99c418a81ec9cf4b57140da95d9f048f648b69db
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1673af7747de1ae5e372a951ca857466301b5b9592cecd5ea9c19699f9a9745
[INFO] running `Command { std: "docker" "start" "-a" "c1673af7747de1ae5e372a951ca857466301b5b9592cecd5ea9c19699f9a9745", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]     Checking deunicode v1.4.3
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking dir-diff v0.3.3
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking slug v0.1.5
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking chrono-tz v0.8.6
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking cruet v0.13.3
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tera v1.19.1
[INFO] [stderr]     Checking rrgen v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `fs_extra` is imported redundantly
[INFO] [stdout]  --> tests/gen_test.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fs_extra::{self, dir::CopyOptions};
[INFO] [stdout]   |                ^^^^ the item `fs_extra` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "c1673af7747de1ae5e372a951ca857466301b5b9592cecd5ea9c19699f9a9745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1673af7747de1ae5e372a951ca857466301b5b9592cecd5ea9c19699f9a9745", kill_on_drop: false }`
[INFO] [stdout] c1673af7747de1ae5e372a951ca857466301b5b9592cecd5ea9c19699f9a9745