[INFO] fetching crate tower-limit 0.1.3...
[INFO] checking tower-limit-0.1.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tower-limit 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tower-limit 0.1.3
[INFO] finished tweaking crates.io crate tower-limit 0.1.3
[INFO] tweaked toml for crates.io crate tower-limit 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-limit 0.1.3 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.47.1)
[INFO] [stderr]       Adding tower-layer v0.1.0 (available: v0.3.3)
[INFO] [stderr]       Adding tower-service v0.2.0 (available: v0.3.3)
[INFO] [stderr]       Adding tower-test v0.1.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-layer v0.1.0
[INFO] [stderr]   Downloaded tower-service v0.2.0
[INFO] [stderr]   Downloaded tokio-mock-task v0.1.1
[INFO] [stderr]   Downloaded tower-test v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b88468d49d12a96dffd8897df92676aa155ed97d854661df3bb4ba1cf009ee5
[INFO] running `Command { std: "docker" "start" "-a" "7b88468d49d12a96dffd8897df92676aa155ed97d854661df3bb4ba1cf009ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b88468d49d12a96dffd8897df92676aa155ed97d854661df3bb4ba1cf009ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b88468d49d12a96dffd8897df92676aa155ed97d854661df3bb4ba1cf009ee5", kill_on_drop: false }`
[INFO] [stdout] 7b88468d49d12a96dffd8897df92676aa155ed97d854661df3bb4ba1cf009ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef0b59884460dcd256f850df89266417747d4c194ba7948ef5df2089ff8e835
[INFO] running `Command { std: "docker" "start" "-a" "fef0b59884460dcd256f850df89266417747d4c194ba7948ef5df2089ff8e835", kill_on_drop: false }`
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]     Checking tokio-mock-task v0.1.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]     Checking tower-test v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tower-limit v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "fef0b59884460dcd256f850df89266417747d4c194ba7948ef5df2089ff8e835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef0b59884460dcd256f850df89266417747d4c194ba7948ef5df2089ff8e835", kill_on_drop: false }`
[INFO] [stdout] fef0b59884460dcd256f850df89266417747d4c194ba7948ef5df2089ff8e835