[INFO] fetching crate tower-util 0.3.1...
[INFO] checking tower-util-0.3.1 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate tower-util 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tower-util 0.3.1 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-util 0.3.1
[INFO] finished tweaking crates.io crate tower-util 0.3.1
[INFO] tweaked toml for crates.io crate tower-util 0.3.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding pin-project v0.4.30 (available: v1.1.7)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.41.1)
[INFO] [stderr]       Adding tokio-test v0.2.1 (available: v0.4.4)
[INFO] [stderr]       Adding tower-test v0.3.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded tower-test v0.3.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] [stderr]   Downloaded tower-layer v0.3.3
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded tokio v0.2.25
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc800f1e7f8f653850ef78a63c85916c846a7c290e69270dba515ad0e17e8a62
[INFO] running `Command { std: "docker" "start" "-a" "dc800f1e7f8f653850ef78a63c85916c846a7c290e69270dba515ad0e17e8a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc800f1e7f8f653850ef78a63c85916c846a7c290e69270dba515ad0e17e8a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc800f1e7f8f653850ef78a63c85916c846a7c290e69270dba515ad0e17e8a62", kill_on_drop: false }`
[INFO] [stdout] dc800f1e7f8f653850ef78a63c85916c846a7c290e69270dba515ad0e17e8a62
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25db5e8ecaff83de7f5e009dc63583d4054e518791b1a2fa3e129c99f43c7c3c
[INFO] running `Command { std: "docker" "start" "-a" "25db5e8ecaff83de7f5e009dc63583d4054e518791b1a2fa3e129c99f43c7c3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking tower-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking tower-test v0.3.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "25db5e8ecaff83de7f5e009dc63583d4054e518791b1a2fa3e129c99f43c7c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25db5e8ecaff83de7f5e009dc63583d4054e518791b1a2fa3e129c99f43c7c3c", kill_on_drop: false }`
[INFO] [stdout] 25db5e8ecaff83de7f5e009dc63583d4054e518791b1a2fa3e129c99f43c7c3c