[INFO] cloning repository https://github.com/casey/cuckoo-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casey/cuckoo-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fcuckoo-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fcuckoo-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86f9849b46a1c4b4c735f2262d3346ba1ca5d3b4
[INFO] checking casey/cuckoo-bench against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fcuckoo-bench" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casey/cuckoo-bench 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/casey/cuckoo-bench
[INFO] finished tweaking git repo https://github.com/casey/cuckoo-bench
[INFO] tweaked toml for git repo https://github.com/casey/cuckoo-bench written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/casey/cuckoo-bench 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be4fc34f6ae1cd72dea4467c18eb692b4f3333079eeca72147e67b0287932d7b
[INFO] running `Command { std: "docker" "start" "-a" "be4fc34f6ae1cd72dea4467c18eb692b4f3333079eeca72147e67b0287932d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4fc34f6ae1cd72dea4467c18eb692b4f3333079eeca72147e67b0287932d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4fc34f6ae1cd72dea4467c18eb692b4f3333079eeca72147e67b0287932d7b", kill_on_drop: false }`
[INFO] [stdout] be4fc34f6ae1cd72dea4467c18eb692b4f3333079eeca72147e67b0287932d7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 22e38651f6582fbcee64bc886b6760ba5a288dc6130f974d5e68e42ea3acf6fe
[INFO] running `Command { std: "docker" "start" "-a" "22e38651f6582fbcee64bc886b6760ba5a288dc6130f974d5e68e42ea3acf6fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.81
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking cuckoo-bench v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "22e38651f6582fbcee64bc886b6760ba5a288dc6130f974d5e68e42ea3acf6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e38651f6582fbcee64bc886b6760ba5a288dc6130f974d5e68e42ea3acf6fe", kill_on_drop: false }`
[INFO] [stdout] 22e38651f6582fbcee64bc886b6760ba5a288dc6130f974d5e68e42ea3acf6fe