[INFO] cloning repository https://github.com/algesten/froop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/algesten/froop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falgesten%2Ffroop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falgesten%2Ffroop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79a4cf7a932a26fa4781946c3c65e0e92086ed40
[INFO] checking algesten/froop against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falgesten%2Ffroop" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/algesten/froop 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 git repo https://github.com/algesten/froop
[INFO] finished tweaking git repo https://github.com/algesten/froop
[INFO] tweaked toml for git repo https://github.com/algesten/froop written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/algesten/froop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9bcb7e86dd9f8a7538e5b99a7efa529f26c808c3f79346174bf7da7448f5da80
[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" "9bcb7e86dd9f8a7538e5b99a7efa529f26c808c3f79346174bf7da7448f5da80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bcb7e86dd9f8a7538e5b99a7efa529f26c808c3f79346174bf7da7448f5da80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcb7e86dd9f8a7538e5b99a7efa529f26c808c3f79346174bf7da7448f5da80", kill_on_drop: false }`
[INFO] [stdout] 9bcb7e86dd9f8a7538e5b99a7efa529f26c808c3f79346174bf7da7448f5da80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2a39baedc3d0f6d9f74c28f87f94f251d783dc609dc29236ffd2c6d526bf1d6
[INFO] running `Command { std: "docker" "start" "-a" "f2a39baedc3d0f6d9f74c28f87f94f251d783dc609dc29236ffd2c6d526bf1d6", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking froop v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking criterion-plot v0.3.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking criterion v0.2.10
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.06s
[INFO] running `Command { std: "docker" "inspect" "f2a39baedc3d0f6d9f74c28f87f94f251d783dc609dc29236ffd2c6d526bf1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a39baedc3d0f6d9f74c28f87f94f251d783dc609dc29236ffd2c6d526bf1d6", kill_on_drop: false }`
[INFO] [stdout] f2a39baedc3d0f6d9f74c28f87f94f251d783dc609dc29236ffd2c6d526bf1d6