[INFO] fetching crate tokio-graceful 0.1.6...
[INFO] checking tokio-graceful-0.1.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tokio-graceful 0.1.6 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tokio-graceful 0.1.6 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tokio-graceful 0.1.6
[INFO] finished tweaking crates.io crate tokio-graceful 0.1.6
[INFO] tweaked toml for crates.io crate tokio-graceful 0.1.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio-graceful 0.1.6 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 http-body-util v0.1.0
[INFO] [stderr]   Downloaded hyper-util v0.1.1
[INFO] [stderr]   Downloaded loom v0.7.0
[INFO] [stderr]   Downloaded memchr v2.6.2
[INFO] [stderr]   Downloaded h2 v0.4.0
[INFO] [stderr]   Downloaded hyper v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 41ed9971155b6c144118d10e9b2f585d8852c6ba75cd533e4af21efb86a2f00a
[INFO] running `Command { std: "docker" "start" "-a" "41ed9971155b6c144118d10e9b2f585d8852c6ba75cd533e4af21efb86a2f00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41ed9971155b6c144118d10e9b2f585d8852c6ba75cd533e4af21efb86a2f00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ed9971155b6c144118d10e9b2f585d8852c6ba75cd533e4af21efb86a2f00a", kill_on_drop: false }`
[INFO] [stdout] 41ed9971155b6c144118d10e9b2f585d8852c6ba75cd533e4af21efb86a2f00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fa804273613278566d6f7459d06d3a97b9bd55162c6f751e31732b717d3fce98
[INFO] running `Command { std: "docker" "start" "-a" "fa804273613278566d6f7459d06d3a97b9bd55162c6f751e31732b717d3fce98", 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 futures-core v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-graceful v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.4.0
[INFO] [stderr]     Checking hyper v1.0.1
[INFO] [stderr]     Checking hyper-util v0.1.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.63s
[INFO] running `Command { std: "docker" "inspect" "fa804273613278566d6f7459d06d3a97b9bd55162c6f751e31732b717d3fce98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa804273613278566d6f7459d06d3a97b9bd55162c6f751e31732b717d3fce98", kill_on_drop: false }`
[INFO] [stdout] fa804273613278566d6f7459d06d3a97b9bd55162c6f751e31732b717d3fce98
[INFO] checking tokio-graceful-0.1.6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tokio-graceful 0.1.6 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tokio-graceful 0.1.6 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] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tokio-graceful 0.1.6
[INFO] finished tweaking crates.io crate tokio-graceful 0.1.6
[INFO] tweaked toml for crates.io crate tokio-graceful 0.1.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate tokio-graceful 0.1.6 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e183d48930c9d72e5632be95b7544916545c4a07961afb115e12770e97f03c31
[INFO] running `Command { std: "docker" "start" "-a" "e183d48930c9d72e5632be95b7544916545c4a07961afb115e12770e97f03c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e183d48930c9d72e5632be95b7544916545c4a07961afb115e12770e97f03c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e183d48930c9d72e5632be95b7544916545c4a07961afb115e12770e97f03c31", kill_on_drop: false }`
[INFO] [stdout] e183d48930c9d72e5632be95b7544916545c4a07961afb115e12770e97f03c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f4220bf56f3b4935dcce587d71e20eb85b755eaf43c10e15db1d9ec6b9c78582
[INFO] running `Command { std: "docker" "start" "-a" "f4220bf56f3b4935dcce587d71e20eb85b755eaf43c10e15db1d9ec6b9c78582", 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 futures-core v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-graceful v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.4.0
[INFO] [stderr]     Checking hyper v1.0.1
[INFO] [stderr]     Checking hyper-util v0.1.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.49s
[INFO] running `Command { std: "docker" "inspect" "f4220bf56f3b4935dcce587d71e20eb85b755eaf43c10e15db1d9ec6b9c78582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4220bf56f3b4935dcce587d71e20eb85b755eaf43c10e15db1d9ec6b9c78582", kill_on_drop: false }`
[INFO] [stdout] f4220bf56f3b4935dcce587d71e20eb85b755eaf43c10e15db1d9ec6b9c78582