[INFO] fetching crate michelangelo 0.2.5...
[INFO] checking michelangelo-0.2.5 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[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 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c1b1c131caf191bc2e9d6afa01745894d6bbddb5e16cf58333b295ce4d525ae
[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" "3c1b1c131caf191bc2e9d6afa01745894d6bbddb5e16cf58333b295ce4d525ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1b1c131caf191bc2e9d6afa01745894d6bbddb5e16cf58333b295ce4d525ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1b1c131caf191bc2e9d6afa01745894d6bbddb5e16cf58333b295ce4d525ae", kill_on_drop: false }`
[INFO] [stdout] 3c1b1c131caf191bc2e9d6afa01745894d6bbddb5e16cf58333b295ce4d525ae
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92157dd9284a008291247bc114a31beca21453897be3d55036b6eb1f101a03df
[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" "92157dd9284a008291247bc114a31beca21453897be3d55036b6eb1f101a03df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking primal-estimate 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]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking stable-vec v0.3.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[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 alga v0.9.3
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking compact v0.2.16
[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 38.63s
[INFO] running `Command { std: "docker" "inspect" "92157dd9284a008291247bc114a31beca21453897be3d55036b6eb1f101a03df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92157dd9284a008291247bc114a31beca21453897be3d55036b6eb1f101a03df", kill_on_drop: false }`
[INFO] [stdout] 92157dd9284a008291247bc114a31beca21453897be3d55036b6eb1f101a03df