[INFO] fetching crate backoff-tower 0.1.6...
[INFO] checking backoff-tower-0.1.6 against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827
[INFO] extracting crate backoff-tower 0.1.6 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate backoff-tower 0.1.6 on toolchain 16b569057e4d1591b4bee05f10df34000308dedc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backoff-tower 0.1.6
[INFO] finished tweaking crates.io crate backoff-tower 0.1.6
[INFO] tweaked toml for crates.io crate backoff-tower 0.1.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.0)
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.3)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.4.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.1.0)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
[INFO] [stderr]       Adding mio v0.8.11 (latest: v1.0.0)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.7.2)
[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.34)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.7)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e62f2b793bdb3e41bb20030a2e63f1ac56d986324f6a4ad2739db3eba30e242
[INFO] running `Command { std: "docker" "start" "-a" "9e62f2b793bdb3e41bb20030a2e63f1ac56d986324f6a4ad2739db3eba30e242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e62f2b793bdb3e41bb20030a2e63f1ac56d986324f6a4ad2739db3eba30e242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e62f2b793bdb3e41bb20030a2e63f1ac56d986324f6a4ad2739db3eba30e242", kill_on_drop: false }`
[INFO] [stdout] 9e62f2b793bdb3e41bb20030a2e63f1ac56d986324f6a4ad2739db3eba30e242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ec85578e7a4c3d47a29f01bf6cb19a1a5696bf4c39c22fcb8687f517da4eed
[INFO] running `Command { std: "docker" "start" "-a" "44ec85578e7a4c3d47a29f01bf6cb19a1a5696bf4c39c22fcb8687f517da4eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio v1.38.1
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking backoff-tower v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "44ec85578e7a4c3d47a29f01bf6cb19a1a5696bf4c39c22fcb8687f517da4eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ec85578e7a4c3d47a29f01bf6cb19a1a5696bf4c39c22fcb8687f517da4eed", kill_on_drop: false }`
[INFO] [stdout] 44ec85578e7a4c3d47a29f01bf6cb19a1a5696bf4c39c22fcb8687f517da4eed