[INFO] fetching crate attohttpc 0.17.0...
[INFO] testing attohttpc-0.17.0 against 1.54.0 for beta-1.55-2
[INFO] extracting crate attohttpc 0.17.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate attohttpc 0.17.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate attohttpc 0.17.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate attohttpc 0.17.0
[INFO] tweaked toml for crates.io crate attohttpc 0.17.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate attohttpc 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ee6b32c57a1115cc1a3f6761a1c0f2ff2097679a3ae5c842e0ca84b926f7574
[INFO] running `Command { std: "docker" "start" "-a" "3ee6b32c57a1115cc1a3f6761a1c0f2ff2097679a3ae5c842e0ca84b926f7574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee6b32c57a1115cc1a3f6761a1c0f2ff2097679a3ae5c842e0ca84b926f7574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee6b32c57a1115cc1a3f6761a1c0f2ff2097679a3ae5c842e0ca84b926f7574", kill_on_drop: false }`
[INFO] [stdout] 3ee6b32c57a1115cc1a3f6761a1c0f2ff2097679a3ae5c842e0ca84b926f7574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3fad3f83198b1c35bed3afc0f48e35f93c0c0c2e6d27b90466a2031c9b6842d
[INFO] running `Command { std: "docker" "start" "-a" "d3fad3f83198b1c35bed3afc0f48e35f93c0c0c2e6d27b90466a2031c9b6842d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling wildmatch v1.0.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling attohttpc v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `Command { std: "docker" "inspect" "d3fad3f83198b1c35bed3afc0f48e35f93c0c0c2e6d27b90466a2031c9b6842d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fad3f83198b1c35bed3afc0f48e35f93c0c0c2e6d27b90466a2031c9b6842d", kill_on_drop: false }`
[INFO] [stdout] d3fad3f83198b1c35bed3afc0f48e35f93c0c0c2e6d27b90466a2031c9b6842d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c33b24f5d636530f641dbd21ad371ccf0a62a6eb17791f95e1a439db0f17608f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c33b24f5d636530f641dbd21ad371ccf0a62a6eb17791f95e1a439db0f17608f", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/tmp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   File exists (os error 17)
[INFO] running `Command { std: "docker" "inspect" "c33b24f5d636530f641dbd21ad371ccf0a62a6eb17791f95e1a439db0f17608f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33b24f5d636530f641dbd21ad371ccf0a62a6eb17791f95e1a439db0f17608f", kill_on_drop: false }`
[INFO] [stdout] c33b24f5d636530f641dbd21ad371ccf0a62a6eb17791f95e1a439db0f17608f