[INFO] fetching crate dangerous 0.6.0...
[INFO] checking dangerous-0.6.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate dangerous 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dangerous 0.6.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dangerous 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dangerous 0.6.0
[INFO] tweaked toml for crates.io crate dangerous 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dangerous 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zc-derive v0.2.0
[INFO] [stderr]   Downloaded aliasable v0.1.3
[INFO] [stderr]   Downloaded zc v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] cf31b74bb9a62aafc8b268d5abe8a55f175d7a1dfd75459f19b574c3be782bc5
[INFO] running `Command { std: "docker" "start" "-a" "cf31b74bb9a62aafc8b268d5abe8a55f175d7a1dfd75459f19b574c3be782bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf31b74bb9a62aafc8b268d5abe8a55f175d7a1dfd75459f19b574c3be782bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf31b74bb9a62aafc8b268d5abe8a55f175d7a1dfd75459f19b574c3be782bc5", kill_on_drop: false }`
[INFO] [stdout] cf31b74bb9a62aafc8b268d5abe8a55f175d7a1dfd75459f19b574c3be782bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--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] 5734ced8c5cb683a13ee2c7990dc1f9e032e101ebcdfdd056c3db7fe535fb3a9
[INFO] running `Command { std: "docker" "start" "-a" "5734ced8c5cb683a13ee2c7990dc1f9e032e101ebcdfdd056c3db7fe535fb3a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking dangerous v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling zc-derive v0.2.0
[INFO] [stderr]     Checking zc v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.22s
[INFO] running `Command { std: "docker" "inspect" "5734ced8c5cb683a13ee2c7990dc1f9e032e101ebcdfdd056c3db7fe535fb3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5734ced8c5cb683a13ee2c7990dc1f9e032e101ebcdfdd056c3db7fe535fb3a9", kill_on_drop: false }`
[INFO] [stdout] 5734ced8c5cb683a13ee2c7990dc1f9e032e101ebcdfdd056c3db7fe535fb3a9