[INFO] fetching crate transmission-rpc 0.4.2...
[INFO] checking transmission-rpc-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate transmission-rpc 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate transmission-rpc 0.4.2 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 transmission-rpc 0.4.2
[INFO] finished tweaking crates.io crate transmission-rpc 0.4.2
[INFO] tweaked toml for crates.io crate transmission-rpc 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate transmission-rpc 0.4.2 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] 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] 96d9ea515dbfe583495a0867bf18488b4367370150a656c3d90d738d937493d8
[INFO] running `Command { std: "docker" "start" "-a" "96d9ea515dbfe583495a0867bf18488b4367370150a656c3d90d738d937493d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96d9ea515dbfe583495a0867bf18488b4367370150a656c3d90d738d937493d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d9ea515dbfe583495a0867bf18488b4367370150a656c3d90d738d937493d8", kill_on_drop: false }`
[INFO] [stdout] 96d9ea515dbfe583495a0867bf18488b4367370150a656c3d90d738d937493d8
[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] 69dd2d5e597233d48384c599252b48d5e62053c508234688baf36decd416142c
[INFO] running `Command { std: "docker" "start" "-a" "69dd2d5e597233d48384c599252b48d5e62053c508234688baf36decd416142c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling enum-iterator-derive v1.2.1
[INFO] [stderr]    Compiling serde_repr v0.1.17
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking enum-iterator v1.4.1
[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 v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[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 transmission-rpc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.06s
[INFO] running `Command { std: "docker" "inspect" "69dd2d5e597233d48384c599252b48d5e62053c508234688baf36decd416142c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69dd2d5e597233d48384c599252b48d5e62053c508234688baf36decd416142c", kill_on_drop: false }`
[INFO] [stdout] 69dd2d5e597233d48384c599252b48d5e62053c508234688baf36decd416142c
[INFO] checking transmission-rpc-0.4.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate transmission-rpc 0.4.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate transmission-rpc 0.4.2 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 transmission-rpc 0.4.2
[INFO] finished tweaking crates.io crate transmission-rpc 0.4.2
[INFO] tweaked toml for crates.io crate transmission-rpc 0.4.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate transmission-rpc 0.4.2 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-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] 6ac275d0f9de85fb7e71f2389a9e77286d946347c256bf1e1e199dd6c6e9a949
[INFO] running `Command { std: "docker" "start" "-a" "6ac275d0f9de85fb7e71f2389a9e77286d946347c256bf1e1e199dd6c6e9a949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ac275d0f9de85fb7e71f2389a9e77286d946347c256bf1e1e199dd6c6e9a949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac275d0f9de85fb7e71f2389a9e77286d946347c256bf1e1e199dd6c6e9a949", kill_on_drop: false }`
[INFO] [stdout] 6ac275d0f9de85fb7e71f2389a9e77286d946347c256bf1e1e199dd6c6e9a949
[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] b32f309a4716344bd6ceb9886cdeee55fb0b9e91a891e16d39f345eb8488d66c
[INFO] running `Command { std: "docker" "start" "-a" "b32f309a4716344bd6ceb9886cdeee55fb0b9e91a891e16d39f345eb8488d66c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling enum-iterator-derive v1.2.1
[INFO] [stderr]    Compiling serde_repr v0.1.17
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking enum-iterator v1.4.1
[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 v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[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 transmission-rpc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.71s
[INFO] running `Command { std: "docker" "inspect" "b32f309a4716344bd6ceb9886cdeee55fb0b9e91a891e16d39f345eb8488d66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32f309a4716344bd6ceb9886cdeee55fb0b9e91a891e16d39f345eb8488d66c", kill_on_drop: false }`
[INFO] [stdout] b32f309a4716344bd6ceb9886cdeee55fb0b9e91a891e16d39f345eb8488d66c