[INFO] fetching crate roboat 0.34.2...
[INFO] checking roboat-0.34.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate roboat 0.34.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate roboat 0.34.2 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 roboat 0.34.2
[INFO] finished tweaking crates.io crate roboat 0.34.2
[INFO] tweaked toml for crates.io crate roboat 0.34.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate roboat 0.34.2 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]     Blocking waiting for file lock on package cache
[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] 8c9449b71053fd7644cbe9d3b8fbed94bed6971641ca0dcb346660847fcf3ccf
[INFO] running `Command { std: "docker" "start" "-a" "8c9449b71053fd7644cbe9d3b8fbed94bed6971641ca0dcb346660847fcf3ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c9449b71053fd7644cbe9d3b8fbed94bed6971641ca0dcb346660847fcf3ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9449b71053fd7644cbe9d3b8fbed94bed6971641ca0dcb346660847fcf3ccf", kill_on_drop: false }`
[INFO] [stdout] 8c9449b71053fd7644cbe9d3b8fbed94bed6971641ca0dcb346660847fcf3ccf
[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] 146c0c8a84bf71ea67d0d32e70c3ed7276b7eb02123054c33888a11d096f64b0
[INFO] running `Command { std: "docker" "start" "-a" "146c0c8a84bf71ea67d0d32e70c3ed7276b7eb02123054c33888a11d096f64b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling rustls v0.21.9
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]     Checking uuid v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking roboat v0.34.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.85s
[INFO] running `Command { std: "docker" "inspect" "146c0c8a84bf71ea67d0d32e70c3ed7276b7eb02123054c33888a11d096f64b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146c0c8a84bf71ea67d0d32e70c3ed7276b7eb02123054c33888a11d096f64b0", kill_on_drop: false }`
[INFO] [stdout] 146c0c8a84bf71ea67d0d32e70c3ed7276b7eb02123054c33888a11d096f64b0
[INFO] checking roboat-0.34.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate roboat 0.34.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate roboat 0.34.2 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 roboat 0.34.2
[INFO] finished tweaking crates.io crate roboat 0.34.2
[INFO] tweaked toml for crates.io crate roboat 0.34.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate roboat 0.34.2 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] 626cae76bdfbacbb30bd87a439c940835db5698211ce2a5f6778ea4630f7976f
[INFO] running `Command { std: "docker" "start" "-a" "626cae76bdfbacbb30bd87a439c940835db5698211ce2a5f6778ea4630f7976f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "626cae76bdfbacbb30bd87a439c940835db5698211ce2a5f6778ea4630f7976f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626cae76bdfbacbb30bd87a439c940835db5698211ce2a5f6778ea4630f7976f", kill_on_drop: false }`
[INFO] [stdout] 626cae76bdfbacbb30bd87a439c940835db5698211ce2a5f6778ea4630f7976f
[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] 43d1b7af8e48574d472bfe95922f43e1ab772d788bab06a3f67f80aea300dafb
[INFO] running `Command { std: "docker" "start" "-a" "43d1b7af8e48574d472bfe95922f43e1ab772d788bab06a3f67f80aea300dafb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling rustls v0.21.9
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking uuid v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking roboat v0.34.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.98s
[INFO] running `Command { std: "docker" "inspect" "43d1b7af8e48574d472bfe95922f43e1ab772d788bab06a3f67f80aea300dafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d1b7af8e48574d472bfe95922f43e1ab772d788bab06a3f67f80aea300dafb", kill_on_drop: false }`
[INFO] [stdout] 43d1b7af8e48574d472bfe95922f43e1ab772d788bab06a3f67f80aea300dafb