[INFO] fetching crate michelangelo 0.2.5...
[INFO] checking michelangelo-0.2.5 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate michelangelo 0.2.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate michelangelo 0.2.5 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate michelangelo 0.2.5
[INFO] finished tweaking crates.io crate michelangelo 0.2.5
[INFO] tweaked toml for crates.io crate michelangelo 0.2.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68bb44387d722541cf2bfce348ba267e706c1cf508916818c693ce21e3081f1d
[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" "68bb44387d722541cf2bfce348ba267e706c1cf508916818c693ce21e3081f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68bb44387d722541cf2bfce348ba267e706c1cf508916818c693ce21e3081f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68bb44387d722541cf2bfce348ba267e706c1cf508916818c693ce21e3081f1d", kill_on_drop: false }`
[INFO] [stdout] 68bb44387d722541cf2bfce348ba267e706c1cf508916818c693ce21e3081f1d
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3a25d0150dadfcc334482a2ee8bf12ac13220fb951bde7d42e400a2e88819a8
[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" "b3a25d0150dadfcc334482a2ee8bf12ac13220fb951bde7d42e400a2e88819a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking simple_allocator_trait v0.1.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking stable-vec v0.3.2
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.18.2
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]    Compiling compact_macros v0.1.0
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking compact v0.2.16
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking lyon_geom v0.11.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking lyon_path v0.11.0
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]     Checking lyon_tessellation v0.11.0
[INFO] [stderr]     Checking descartes v0.1.20
[INFO] [stderr]     Checking michelangelo v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.43s
[INFO] running `Command { std: "docker" "inspect" "b3a25d0150dadfcc334482a2ee8bf12ac13220fb951bde7d42e400a2e88819a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a25d0150dadfcc334482a2ee8bf12ac13220fb951bde7d42e400a2e88819a8", kill_on_drop: false }`
[INFO] [stdout] b3a25d0150dadfcc334482a2ee8bf12ac13220fb951bde7d42e400a2e88819a8