[INFO] fetching crate wiggle-test 0.15.0...
[INFO] checking wiggle-test-0.15.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate wiggle-test 0.15.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wiggle-test 0.15.0 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 wiggle-test 0.15.0
[INFO] finished tweaking crates.io crate wiggle-test 0.15.0
[INFO] tweaked toml for crates.io crate wiggle-test 0.15.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded witx v0.8.8
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded wast v22.0.0
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] [stderr]   Downloaded wiggle-macro v0.15.0
[INFO] [stderr]   Downloaded wiggle v0.15.0
[INFO] [stderr]   Downloaded wiggle-generate v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 0af26860b5e3846a534c82018b15cbff4e471ad777c6c6a7d63c80b27c9b0ce3
[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" "0af26860b5e3846a534c82018b15cbff4e471ad777c6c6a7d63c80b27c9b0ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0af26860b5e3846a534c82018b15cbff4e471ad777c6c6a7d63c80b27c9b0ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af26860b5e3846a534c82018b15cbff4e471ad777c6c6a7d63c80b27c9b0ce3", kill_on_drop: false }`
[INFO] [stdout] 0af26860b5e3846a534c82018b15cbff4e471ad777c6c6a7d63c80b27c9b0ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 4ab8ccb4fc328ddcbb9e32947e0e914dbcee8547372ee3cad059f3b214e51a2c
[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" "4ab8ccb4fc328ddcbb9e32947e0e914dbcee8547372ee3cad059f3b214e51a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking wast v22.0.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]     Checking witx v0.8.8
[INFO] [stderr]    Compiling wiggle-generate v0.15.0
[INFO] [stderr]    Compiling wiggle-macro v0.15.0
[INFO] [stderr]     Checking wiggle v0.15.0
[INFO] [stderr]     Checking wiggle-test v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.53s
[INFO] running `Command { std: "docker" "inspect" "4ab8ccb4fc328ddcbb9e32947e0e914dbcee8547372ee3cad059f3b214e51a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab8ccb4fc328ddcbb9e32947e0e914dbcee8547372ee3cad059f3b214e51a2c", kill_on_drop: false }`
[INFO] [stdout] 4ab8ccb4fc328ddcbb9e32947e0e914dbcee8547372ee3cad059f3b214e51a2c