[INFO] fetching crate RISCulator 0.1.0...
[INFO] checking RISCulator-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate RISCulator 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate RISCulator 0.1.0 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 RISCulator 0.1.0
[INFO] finished tweaking crates.io crate RISCulator 0.1.0
[INFO] tweaked toml for crates.io crate RISCulator 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate RISCulator 0.1.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded is-terminal v0.4.7
[INFO] [stderr]   Downloaded termcolor v1.2.0
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded iana-time-zone v0.1.57
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded android-tzdata v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded libc v0.2.146
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded aho-corasick v1.0.2
[INFO] [stderr]   Downloaded regex v1.8.4
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded windows v0.48.0
[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] 383045d8db709910ef7c9858cf0da0343aeeb3b4be19cdda8b931caa588f9ef7
[INFO] running `Command { std: "docker" "start" "-a" "383045d8db709910ef7c9858cf0da0343aeeb3b4be19cdda8b931caa588f9ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "383045d8db709910ef7c9858cf0da0343aeeb3b4be19cdda8b931caa588f9ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383045d8db709910ef7c9858cf0da0343aeeb3b4be19cdda8b931caa588f9ef7", kill_on_drop: false }`
[INFO] [stdout] 383045d8db709910ef7c9858cf0da0343aeeb3b4be19cdda8b931caa588f9ef7
[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] c5a1149876cbbd066c12c18cf7f9a322127538f51ab5888cb5183f6b7cddece8
[INFO] running `Command { std: "docker" "start" "-a" "c5a1149876cbbd066c12c18cf7f9a322127538f51ab5888cb5183f6b7cddece8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking RISCulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.96s
[INFO] running `Command { std: "docker" "inspect" "c5a1149876cbbd066c12c18cf7f9a322127538f51ab5888cb5183f6b7cddece8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a1149876cbbd066c12c18cf7f9a322127538f51ab5888cb5183f6b7cddece8", kill_on_drop: false }`
[INFO] [stdout] c5a1149876cbbd066c12c18cf7f9a322127538f51ab5888cb5183f6b7cddece8
[INFO] checking RISCulator-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate RISCulator 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate RISCulator 0.1.0 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 RISCulator 0.1.0
[INFO] finished tweaking crates.io crate RISCulator 0.1.0
[INFO] tweaked toml for crates.io crate RISCulator 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate RISCulator 0.1.0 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] a5e1eced258011baeb226a852356a4c3ca7ce67dfec82dcd225aa7b9828f7996
[INFO] running `Command { std: "docker" "start" "-a" "a5e1eced258011baeb226a852356a4c3ca7ce67dfec82dcd225aa7b9828f7996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e1eced258011baeb226a852356a4c3ca7ce67dfec82dcd225aa7b9828f7996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e1eced258011baeb226a852356a4c3ca7ce67dfec82dcd225aa7b9828f7996", kill_on_drop: false }`
[INFO] [stdout] a5e1eced258011baeb226a852356a4c3ca7ce67dfec82dcd225aa7b9828f7996
[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] 24a9c02d103203a1d0e886fd2109d96f578e27fc26ae3db81fc4d734d0ecdc0c
[INFO] running `Command { std: "docker" "start" "-a" "24a9c02d103203a1d0e886fd2109d96f578e27fc26ae3db81fc4d734d0ecdc0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking RISCulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s
[INFO] running `Command { std: "docker" "inspect" "24a9c02d103203a1d0e886fd2109d96f578e27fc26ae3db81fc4d734d0ecdc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a9c02d103203a1d0e886fd2109d96f578e27fc26ae3db81fc4d734d0ecdc0c", kill_on_drop: false }`
[INFO] [stdout] 24a9c02d103203a1d0e886fd2109d96f578e27fc26ae3db81fc4d734d0ecdc0c