[INFO] fetching crate tower 0.4.11...
[INFO] checking tower-0.4.11 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate tower 0.4.11 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate tower 0.4.11 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower 0.4.11
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tower 0.4.11
[INFO] tweaked toml for crates.io crate tower 0.4.11 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate crates.io crate tower 0.4.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daf99537e681d91290ee57c704cb66cdb2d759e56b51b727969e00630f4672c1
[INFO] running `Command { std: "docker" "start" "-a" "daf99537e681d91290ee57c704cb66cdb2d759e56b51b727969e00630f4672c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daf99537e681d91290ee57c704cb66cdb2d759e56b51b727969e00630f4672c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf99537e681d91290ee57c704cb66cdb2d759e56b51b727969e00630f4672c1", kill_on_drop: false }`
[INFO] [stdout] daf99537e681d91290ee57c704cb66cdb2d759e56b51b727969e00630f4672c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 406f79c689d3bc5d85d662a3921fa21d33b085c26969aae04eb8ea9064aa8314
[INFO] running `Command { std: "docker" "start" "-a" "406f79c689d3bc5d85d662a3921fa21d33b085c26969aae04eb8ea9064aa8314", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tower v0.4.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking tower-test v0.4.0
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.18s
[INFO] running `Command { std: "docker" "inspect" "406f79c689d3bc5d85d662a3921fa21d33b085c26969aae04eb8ea9064aa8314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406f79c689d3bc5d85d662a3921fa21d33b085c26969aae04eb8ea9064aa8314", kill_on_drop: false }`
[INFO] [stdout] 406f79c689d3bc5d85d662a3921fa21d33b085c26969aae04eb8ea9064aa8314