[INFO] fetching crate routerify-websocket 3.0.0...
[INFO] checking routerify-websocket-3.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate routerify-websocket 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate routerify-websocket 3.0.0 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 routerify-websocket 3.0.0
[INFO] finished tweaking crates.io crate routerify-websocket 3.0.0
[INFO] tweaked toml for crates.io crate routerify-websocket 3.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate routerify-websocket 3.0.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded tungstenite v0.16.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.16.1
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded semver v1.0.4
[INFO] [stderr]   Downloaded headers v0.3.5
[INFO] [stderr]   Downloaded hyper v0.14.16
[INFO] [stderr]   Downloaded syn v1.0.84
[INFO] [stderr]   Downloaded routerify v3.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.133
[INFO] [stderr]   Downloaded serde v1.0.133
[INFO] [stderr]   Downloaded serde_json v1.0.74
[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] 4c0f0344e6ccc8fdf804dfcdf518ee372bc9aa07488126b410bc15bb9d2fe4a3
[INFO] running `Command { std: "docker" "start" "-a" "4c0f0344e6ccc8fdf804dfcdf518ee372bc9aa07488126b410bc15bb9d2fe4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c0f0344e6ccc8fdf804dfcdf518ee372bc9aa07488126b410bc15bb9d2fe4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0f0344e6ccc8fdf804dfcdf518ee372bc9aa07488126b410bc15bb9d2fe4a3", kill_on_drop: false }`
[INFO] [stdout] 4c0f0344e6ccc8fdf804dfcdf518ee372bc9aa07488126b410bc15bb9d2fe4a3
[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] 413a9c75ccfa997135b29133675cb625654db0cc5a71be419299f4133165dd17
[INFO] running `Command { std: "docker" "start" "-a" "413a9c75ccfa997135b29133675cb625654db0cc5a71be419299f4133165dd17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking headers v0.3.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.16.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking tokio-tungstenite v0.16.1
[INFO] [stderr]     Checking routerify v3.0.0
[INFO] [stderr]     Checking routerify-websocket v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.51s
[INFO] running `Command { std: "docker" "inspect" "413a9c75ccfa997135b29133675cb625654db0cc5a71be419299f4133165dd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413a9c75ccfa997135b29133675cb625654db0cc5a71be419299f4133165dd17", kill_on_drop: false }`
[INFO] [stdout] 413a9c75ccfa997135b29133675cb625654db0cc5a71be419299f4133165dd17
[INFO] checking routerify-websocket-3.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate routerify-websocket 3.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate routerify-websocket 3.0.0 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 routerify-websocket 3.0.0
[INFO] finished tweaking crates.io crate routerify-websocket 3.0.0
[INFO] tweaked toml for crates.io crate routerify-websocket 3.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate routerify-websocket 3.0.0 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-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] 1d44703cbf2eb0d4eec538eb9a0419e887de2ac27e8295375a7b23b0b67d6d2d
[INFO] running `Command { std: "docker" "start" "-a" "1d44703cbf2eb0d4eec538eb9a0419e887de2ac27e8295375a7b23b0b67d6d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d44703cbf2eb0d4eec538eb9a0419e887de2ac27e8295375a7b23b0b67d6d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d44703cbf2eb0d4eec538eb9a0419e887de2ac27e8295375a7b23b0b67d6d2d", kill_on_drop: false }`
[INFO] [stdout] 1d44703cbf2eb0d4eec538eb9a0419e887de2ac27e8295375a7b23b0b67d6d2d
[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] 34921b6a224e629ea97a71796bd059ef00ef35babcabafe8be2aabad4ff5b268
[INFO] running `Command { std: "docker" "start" "-a" "34921b6a224e629ea97a71796bd059ef00ef35babcabafe8be2aabad4ff5b268", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking headers v0.3.5
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.16.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking tokio-tungstenite v0.16.1
[INFO] [stderr]     Checking routerify v3.0.0
[INFO] [stderr]     Checking routerify-websocket v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.28s
[INFO] running `Command { std: "docker" "inspect" "34921b6a224e629ea97a71796bd059ef00ef35babcabafe8be2aabad4ff5b268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34921b6a224e629ea97a71796bd059ef00ef35babcabafe8be2aabad4ff5b268", kill_on_drop: false }`
[INFO] [stdout] 34921b6a224e629ea97a71796bd059ef00ef35babcabafe8be2aabad4ff5b268