[INFO] cloning repository https://github.com/shanecelis/genetic_ops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shanecelis/genetic_ops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshanecelis%2Fgenetic_ops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshanecelis%2Fgenetic_ops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79f6fa739f14d218f4af6cd4577314189043ff96
[INFO] checking shanecelis/genetic_ops against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshanecelis%2Fgenetic_ops" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shanecelis/genetic_ops on toolchain 19f42cb9bb65555e7d95dab7d17573ae6c5d634c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shanecelis/genetic_ops
[INFO] finished tweaking git repo https://github.com/shanecelis/genetic_ops
[INFO] tweaked toml for git repo https://github.com/shanecelis/genetic_ops written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shanecelis/genetic_ops already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded weighted_rand v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41e4a45e07c51db2972d391dea34a90cf648eee92a2ea0e8eb9c948c77ce79a9
[INFO] running `Command { std: "docker" "start" "-a" "41e4a45e07c51db2972d391dea34a90cf648eee92a2ea0e8eb9c948c77ce79a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41e4a45e07c51db2972d391dea34a90cf648eee92a2ea0e8eb9c948c77ce79a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e4a45e07c51db2972d391dea34a90cf648eee92a2ea0e8eb9c948c77ce79a9", kill_on_drop: false }`
[INFO] [stdout] 41e4a45e07c51db2972d391dea34a90cf648eee92a2ea0e8eb9c948c77ce79a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d86f05f5029fce65abafa0fca7734bf2af46cc3f7db6067d3995b8a336342a
[INFO] running `Command { std: "docker" "start" "-a" "45d86f05f5029fce65abafa0fca7734bf2af46cc3f7db6067d3995b8a336342a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking weighted_rand v0.4.2
[INFO] [stderr]     Checking genetic_ops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.86s
[INFO] running `Command { std: "docker" "inspect" "45d86f05f5029fce65abafa0fca7734bf2af46cc3f7db6067d3995b8a336342a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d86f05f5029fce65abafa0fca7734bf2af46cc3f7db6067d3995b8a336342a", kill_on_drop: false }`
[INFO] [stdout] 45d86f05f5029fce65abafa0fca7734bf2af46cc3f7db6067d3995b8a336342a