[INFO] fetching crate tokio-task-manager 0.2.0...
[INFO] checking tokio-task-manager-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tokio-task-manager 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tokio-task-manager 0.2.0 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 tokio-task-manager 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tokio-task-manager 0.2.0
[INFO] tweaked toml for crates.io crate tokio-task-manager 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio-task-manager 0.2.0 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]     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] 547184997d5dd3fe5be1d9f9c0443e8db3950b1372f534c07a88b5dd550aac97
[INFO] running `Command { std: "docker" "start" "-a" "547184997d5dd3fe5be1d9f9c0443e8db3950b1372f534c07a88b5dd550aac97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547184997d5dd3fe5be1d9f9c0443e8db3950b1372f534c07a88b5dd550aac97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547184997d5dd3fe5be1d9f9c0443e8db3950b1372f534c07a88b5dd550aac97", kill_on_drop: false }`
[INFO] [stdout] 547184997d5dd3fe5be1d9f9c0443e8db3950b1372f534c07a88b5dd550aac97
[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] 2169ad259fa5e4a8c5bdbd1241d3a0c5d9b4e6b1728eeb69838c533837af241b
[INFO] running `Command { std: "docker" "start" "-a" "2169ad259fa5e4a8c5bdbd1241d3a0c5d9b4e6b1728eeb69838c533837af241b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-task-manager v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.03s
[INFO] running `Command { std: "docker" "inspect" "2169ad259fa5e4a8c5bdbd1241d3a0c5d9b4e6b1728eeb69838c533837af241b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2169ad259fa5e4a8c5bdbd1241d3a0c5d9b4e6b1728eeb69838c533837af241b", kill_on_drop: false }`
[INFO] [stdout] 2169ad259fa5e4a8c5bdbd1241d3a0c5d9b4e6b1728eeb69838c533837af241b
[INFO] checking tokio-task-manager-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tokio-task-manager 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tokio-task-manager 0.2.0 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 tokio-task-manager 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tokio-task-manager 0.2.0
[INFO] tweaked toml for crates.io crate tokio-task-manager 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate tokio-task-manager 0.2.0 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] [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-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] 51f6dbbb68189a6255793ca4399ba03487487811bdd4e1201f041caa2830d03a
[INFO] running `Command { std: "docker" "start" "-a" "51f6dbbb68189a6255793ca4399ba03487487811bdd4e1201f041caa2830d03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f6dbbb68189a6255793ca4399ba03487487811bdd4e1201f041caa2830d03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f6dbbb68189a6255793ca4399ba03487487811bdd4e1201f041caa2830d03a", kill_on_drop: false }`
[INFO] [stdout] 51f6dbbb68189a6255793ca4399ba03487487811bdd4e1201f041caa2830d03a
[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] 2e0f577b10e74ff122d9448297012f007953a9d800bc31593b8c4fe2a48c1280
[INFO] running `Command { std: "docker" "start" "-a" "2e0f577b10e74ff122d9448297012f007953a9d800bc31593b8c4fe2a48c1280", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-task-manager v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.74s
[INFO] running `Command { std: "docker" "inspect" "2e0f577b10e74ff122d9448297012f007953a9d800bc31593b8c4fe2a48c1280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0f577b10e74ff122d9448297012f007953a9d800bc31593b8c4fe2a48c1280", kill_on_drop: false }`
[INFO] [stdout] 2e0f577b10e74ff122d9448297012f007953a9d800bc31593b8c4fe2a48c1280