[INFO] fetching crate msr 0.3.7...
[INFO] checking msr-0.3.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate msr 0.3.7 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate msr 0.3.7 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 msr 0.3.7
[INFO] finished tweaking crates.io crate msr 0.3.7
[INFO] tweaked toml for crates.io crate msr 0.3.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate msr 0.3.7 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 time-macros v0.2.10
[INFO] [stderr]   Downloaded msr-plugin v0.3.6
[INFO] [stderr]   Downloaded anyhow v1.0.72
[INFO] [stderr]   Downloaded msr-core v0.3.6
[INFO] [stderr]   Downloaded serde v1.0.178
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded time v0.3.23
[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] c13feb9d34c9cea6e21ba3e9ee3e9770a42b0c3a7f69c092adb8a3da9c9b8e84
[INFO] running `Command { std: "docker" "start" "-a" "c13feb9d34c9cea6e21ba3e9ee3e9770a42b0c3a7f69c092adb8a3da9c9b8e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13feb9d34c9cea6e21ba3e9ee3e9770a42b0c3a7f69c092adb8a3da9c9b8e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13feb9d34c9cea6e21ba3e9ee3e9770a42b0c3a7f69c092adb8a3da9c9b8e84", kill_on_drop: false }`
[INFO] [stdout] c13feb9d34c9cea6e21ba3e9ee3e9770a42b0c3a7f69c092adb8a3da9c9b8e84
[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] e187c90c09d9f40d2d4597370a4ab15c35eb9af712e679ec8c9fcd442017b81a
[INFO] running `Command { std: "docker" "start" "-a" "e187c90c09d9f40d2d4597370a4ab15c35eb9af712e679ec8c9fcd442017b81a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking msr-core v0.3.6
[INFO] [stderr]     Checking msr v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking msr-plugin v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.87s
[INFO] running `Command { std: "docker" "inspect" "e187c90c09d9f40d2d4597370a4ab15c35eb9af712e679ec8c9fcd442017b81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e187c90c09d9f40d2d4597370a4ab15c35eb9af712e679ec8c9fcd442017b81a", kill_on_drop: false }`
[INFO] [stdout] e187c90c09d9f40d2d4597370a4ab15c35eb9af712e679ec8c9fcd442017b81a
[INFO] checking msr-0.3.7 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate msr 0.3.7 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate msr 0.3.7 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 msr 0.3.7
[INFO] finished tweaking crates.io crate msr 0.3.7
[INFO] tweaked toml for crates.io crate msr 0.3.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate msr 0.3.7 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] a77188e95e89460d51c93db59839669465d4071b9a47d0b601261c37eca0e51b
[INFO] running `Command { std: "docker" "start" "-a" "a77188e95e89460d51c93db59839669465d4071b9a47d0b601261c37eca0e51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a77188e95e89460d51c93db59839669465d4071b9a47d0b601261c37eca0e51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77188e95e89460d51c93db59839669465d4071b9a47d0b601261c37eca0e51b", kill_on_drop: false }`
[INFO] [stdout] a77188e95e89460d51c93db59839669465d4071b9a47d0b601261c37eca0e51b
[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] 175c34cad0822ae6d6b37ff9687880ba30ff4fe4272a7b645d55922efcf83376
[INFO] running `Command { std: "docker" "start" "-a" "175c34cad0822ae6d6b37ff9687880ba30ff4fe4272a7b645d55922efcf83376", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking msr-core v0.3.6
[INFO] [stderr]     Checking msr v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking msr-plugin v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.01s
[INFO] running `Command { std: "docker" "inspect" "175c34cad0822ae6d6b37ff9687880ba30ff4fe4272a7b645d55922efcf83376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175c34cad0822ae6d6b37ff9687880ba30ff4fe4272a7b645d55922efcf83376", kill_on_drop: false }`
[INFO] [stdout] 175c34cad0822ae6d6b37ff9687880ba30ff4fe4272a7b645d55922efcf83376