[INFO] fetching crate rbspy-testdata 0.1.9...
[INFO] checking rbspy-testdata-0.1.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rbspy-testdata 0.1.9 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rbspy-testdata 0.1.9 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 rbspy-testdata 0.1.9
[INFO] finished tweaking crates.io crate rbspy-testdata 0.1.9
[INFO] tweaked toml for crates.io crate rbspy-testdata 0.1.9 written to /workspace/builds/worker-4-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 83 packages
[INFO] [stderr]       Adding bindgen v0.68.1 (latest: v0.69.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding elf v0.0.12 (latest: v0.7.4)
[INFO] [stderr]       Adding goblin v0.7.1 (latest: v0.8.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding peeking_take_while v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding ruzstd v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding scroll v0.11.0 (latest: v0.12.0)
[INFO] [stderr]       Adding scroll_derive v0.11.1 (latest: v0.12.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[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 proc-maps v0.3.2
[INFO] [stderr]   Downloaded read-process-memory v0.1.6
[INFO] [stderr]   Downloaded cpp_demangle v0.4.3
[INFO] [stderr]   Downloaded mach_o_sys v0.1.1
[INFO] [stderr]   Downloaded bindgen v0.68.1
[INFO] [stderr]   Downloaded ruzstd v0.5.0
[INFO] [stderr]   Downloaded libproc v0.14.6
[INFO] [stderr]   Downloaded remoteprocess v0.4.13
[INFO] [stderr]   Downloaded elf v0.0.12
[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] ad5f8b4979884f850ef02e1f0435959cd1b215a64eb16ccf4ab20d159ff7b1e8
[INFO] running `Command { std: "docker" "start" "-a" "ad5f8b4979884f850ef02e1f0435959cd1b215a64eb16ccf4ab20d159ff7b1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad5f8b4979884f850ef02e1f0435959cd1b215a64eb16ccf4ab20d159ff7b1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5f8b4979884f850ef02e1f0435959cd1b215a64eb16ccf4ab20d159ff7b1e8", kill_on_drop: false }`
[INFO] [stdout] ad5f8b4979884f850ef02e1f0435959cd1b215a64eb16ccf4ab20d159ff7b1e8
[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] 1981138d285a594eb995fabca49694f07953f7ab402149efd9e25a98f3b5c463
[INFO] running `Command { std: "docker" "start" "-a" "1981138d285a594eb995fabca49694f07953f7ab402149efd9e25a98f3b5c463", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling scroll_derive v0.11.1
[INFO] [stderr]    Compiling proc-maps v0.3.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling remoteprocess v0.4.13
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking read-process-memory v0.1.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking elf v0.0.12
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.7.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking ruzstd v0.5.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rbspy-testdata v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.15s
[INFO] running `Command { std: "docker" "inspect" "1981138d285a594eb995fabca49694f07953f7ab402149efd9e25a98f3b5c463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1981138d285a594eb995fabca49694f07953f7ab402149efd9e25a98f3b5c463", kill_on_drop: false }`
[INFO] [stdout] 1981138d285a594eb995fabca49694f07953f7ab402149efd9e25a98f3b5c463
[INFO] checking rbspy-testdata-0.1.9 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rbspy-testdata 0.1.9 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rbspy-testdata 0.1.9 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 rbspy-testdata 0.1.9
[INFO] finished tweaking crates.io crate rbspy-testdata 0.1.9
[INFO] tweaked toml for crates.io crate rbspy-testdata 0.1.9 written to /workspace/builds/worker-4-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] 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] 4a7b125a71fc7e0055d5d9e84b0feb94f60ce324d665f008e69fd8a7b358abd7
[INFO] running `Command { std: "docker" "start" "-a" "4a7b125a71fc7e0055d5d9e84b0feb94f60ce324d665f008e69fd8a7b358abd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7b125a71fc7e0055d5d9e84b0feb94f60ce324d665f008e69fd8a7b358abd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7b125a71fc7e0055d5d9e84b0feb94f60ce324d665f008e69fd8a7b358abd7", kill_on_drop: false }`
[INFO] [stdout] 4a7b125a71fc7e0055d5d9e84b0feb94f60ce324d665f008e69fd8a7b358abd7
[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] 50eeeb34091c2ffc6640cb4738e8b5f10188631c8b4c99e21d2fd8150835d2ba
[INFO] running `Command { std: "docker" "start" "-a" "50eeeb34091c2ffc6640cb4738e8b5f10188631c8b4c99e21d2fd8150835d2ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling scroll_derive v0.11.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling proc-maps v0.3.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling remoteprocess v0.4.13
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking read-process-memory v0.1.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking elf v0.0.12
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking goblin v0.7.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking ruzstd v0.5.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rbspy-testdata v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.89s
[INFO] running `Command { std: "docker" "inspect" "50eeeb34091c2ffc6640cb4738e8b5f10188631c8b4c99e21d2fd8150835d2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50eeeb34091c2ffc6640cb4738e8b5f10188631c8b4c99e21d2fd8150835d2ba", kill_on_drop: false }`
[INFO] [stdout] 50eeeb34091c2ffc6640cb4738e8b5f10188631c8b4c99e21d2fd8150835d2ba