[INFO] fetching crate transmute-bytes 0.1.1...
[INFO] building transmute-bytes-0.1.1 against master#d59f06fc64844ec2073e5e888f7470989ef25ff9 for pr-119440
[INFO] extracting crate transmute-bytes 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate transmute-bytes 0.1.1 on toolchain d59f06fc64844ec2073e5e888f7470989ef25ff9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate transmute-bytes 0.1.1
[INFO] finished tweaking crates.io crate transmute-bytes 0.1.1
[INFO] tweaked toml for crates.io crate transmute-bytes 0.1.1 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" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64b37673cde3571267c19e46d6ba66e909340d47fb71f886fe6d61aa3840fa8b
[INFO] running `Command { std: "docker" "start" "-a" "64b37673cde3571267c19e46d6ba66e909340d47fb71f886fe6d61aa3840fa8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b37673cde3571267c19e46d6ba66e909340d47fb71f886fe6d61aa3840fa8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b37673cde3571267c19e46d6ba66e909340d47fb71f886fe6d61aa3840fa8b", kill_on_drop: false }`
[INFO] [stdout] 64b37673cde3571267c19e46d6ba66e909340d47fb71f886fe6d61aa3840fa8b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a03cc2ad82352bea3340769059466f3081f0d17232137da41342776b96186b85
[INFO] running `Command { std: "docker" "start" "-a" "a03cc2ad82352bea3340769059466f3081f0d17232137da41342776b96186b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling transmute-bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "a03cc2ad82352bea3340769059466f3081f0d17232137da41342776b96186b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03cc2ad82352bea3340769059466f3081f0d17232137da41342776b96186b85", kill_on_drop: false }`
[INFO] [stdout] a03cc2ad82352bea3340769059466f3081f0d17232137da41342776b96186b85
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d59f06fc64844ec2073e5e888f7470989ef25ff9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c32d5f0e64dda95f16229a2382430b6486470cab5c9cef872ca39202c20bbe85
[INFO] running `Command { std: "docker" "start" "-a" "c32d5f0e64dda95f16229a2382430b6486470cab5c9cef872ca39202c20bbe85", kill_on_drop: false }`
[INFO] [stderr]    Compiling transmute-bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "c32d5f0e64dda95f16229a2382430b6486470cab5c9cef872ca39202c20bbe85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32d5f0e64dda95f16229a2382430b6486470cab5c9cef872ca39202c20bbe85", kill_on_drop: false }`
[INFO] [stdout] c32d5f0e64dda95f16229a2382430b6486470cab5c9cef872ca39202c20bbe85
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] building transmute-bytes-0.1.1 against try#fe8f664b41f030f307cfeb6cb8c3a1419292aeed for pr-119440
[INFO] extracting crate transmute-bytes 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate transmute-bytes 0.1.1 on toolchain fe8f664b41f030f307cfeb6cb8c3a1419292aeed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate transmute-bytes 0.1.1
[INFO] finished tweaking crates.io crate transmute-bytes 0.1.1
[INFO] tweaked toml for crates.io crate transmute-bytes 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f544d025051eb3b99bebc68b2afa18391b40f30a6e935ed27d28fb36ae3b4587
[INFO] running `Command { std: "docker" "start" "-a" "f544d025051eb3b99bebc68b2afa18391b40f30a6e935ed27d28fb36ae3b4587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f544d025051eb3b99bebc68b2afa18391b40f30a6e935ed27d28fb36ae3b4587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f544d025051eb3b99bebc68b2afa18391b40f30a6e935ed27d28fb36ae3b4587", kill_on_drop: false }`
[INFO] [stdout] f544d025051eb3b99bebc68b2afa18391b40f30a6e935ed27d28fb36ae3b4587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e0f84c3685078ef269829b0fa4d3d3173cd22414a6daa2c19c314f4b8597c0c
[INFO] running `Command { std: "docker" "start" "-a" "7e0f84c3685078ef269829b0fa4d3d3173cd22414a6daa2c19c314f4b8597c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling transmute-bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "7e0f84c3685078ef269829b0fa4d3d3173cd22414a6daa2c19c314f4b8597c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0f84c3685078ef269829b0fa4d3d3173cd22414a6daa2c19c314f4b8597c0c", kill_on_drop: false }`
[INFO] [stdout] 7e0f84c3685078ef269829b0fa4d3d3173cd22414a6daa2c19c314f4b8597c0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+fe8f664b41f030f307cfeb6cb8c3a1419292aeed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db5f90f36703f383bf1790348af608c7a2ab7deb11e065dd87617778660e363b
[INFO] running `Command { std: "docker" "start" "-a" "db5f90f36703f383bf1790348af608c7a2ab7deb11e065dd87617778660e363b", kill_on_drop: false }`
[INFO] [stderr]    Compiling transmute-bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "db5f90f36703f383bf1790348af608c7a2ab7deb11e065dd87617778660e363b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5f90f36703f383bf1790348af608c7a2ab7deb11e065dd87617778660e363b", kill_on_drop: false }`
[INFO] [stdout] db5f90f36703f383bf1790348af608c7a2ab7deb11e065dd87617778660e363b