[INFO] cloning repository https://github.com/virtualgraham/random_mapping_monte_carlo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/virtualgraham/random_mapping_monte_carlo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtualgraham%2Frandom_mapping_monte_carlo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtualgraham%2Frandom_mapping_monte_carlo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8987e4d642fa5b6416198fe67a0c6da040ce577 [INFO] checking virtualgraham/random_mapping_monte_carlo/b8987e4d642fa5b6416198fe67a0c6da040ce577 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtualgraham%2Frandom_mapping_monte_carlo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/virtualgraham/random_mapping_monte_carlo on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/virtualgraham/random_mapping_monte_carlo [INFO] finished tweaking git repo https://github.com/virtualgraham/random_mapping_monte_carlo [INFO] tweaked toml for git repo https://github.com/virtualgraham/random_mapping_monte_carlo written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/virtualgraham/random_mapping_monte_carlo 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "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 arrayref v0.3.6 [INFO] [stderr] Downloaded hermit-abi v0.1.8 [INFO] [stderr] Downloaded wasi v0.9.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded quote v0.3.15 [INFO] [stderr] Downloaded synom v0.11.3 [INFO] [stderr] Downloaded random-fast-rng v0.1.1 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded unicode-xid v0.0.4 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded random-trait v0.1.1 [INFO] [stderr] Downloaded strum v0.8.0 [INFO] [stderr] Downloaded redox_users v0.3.4 [INFO] [stderr] Downloaded strum_macros v0.8.0 [INFO] [stderr] Downloaded constant_time_eq v0.1.5 [INFO] [stderr] Downloaded ansi_term v0.7.5 [INFO] [stderr] Downloaded num_cpus v1.12.0 [INFO] [stderr] Downloaded spinner v0.5.0 [INFO] [stderr] Downloaded crossbeam-deque v0.7.3 [INFO] [stderr] Downloaded rust-argon2 v0.7.0 [INFO] [stderr] Downloaded arrayvec v0.5.1 [INFO] [stderr] Downloaded rayon v1.3.0 [INFO] [stderr] Downloaded libc v0.2.67 [INFO] [stderr] Downloaded term v0.6.1 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded rayon-core v1.7.0 [INFO] [stderr] Downloaded base64 v0.11.0 [INFO] [stderr] Downloaded syn v0.11.11 [INFO] [stderr] Downloaded dirs-sys v0.3.4 [INFO] [stderr] Downloaded dirs v2.0.2 [INFO] [stderr] Downloaded blake2b_simd v0.5.10 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded spinners v1.2.0 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded crossbeam-queue v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b030af0f9c573d2422e8b8631c7ed37e5997a35da20de893fd9cb4082f92035f [INFO] running `Command { std: "docker" "start" "-a" "b030af0f9c573d2422e8b8631c7ed37e5997a35da20de893fd9cb4082f92035f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b030af0f9c573d2422e8b8631c7ed37e5997a35da20de893fd9cb4082f92035f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b030af0f9c573d2422e8b8631c7ed37e5997a35da20de893fd9cb4082f92035f", kill_on_drop: false }` [INFO] [stdout] b030af0f9c573d2422e8b8631c7ed37e5997a35da20de893fd9cb4082f92035f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2edb1121c82d0482ca851ec93b8b824d84dd459d92e726aff02a1c9c14965acb [INFO] running `Command { std: "docker" "start" "-a" "2edb1121c82d0482ca851ec93b8b824d84dd459d92e726aff02a1c9c14965acb", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling random-trait v0.1.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking ansi_term v0.7.5 [INFO] [stderr] Checking strum v0.8.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking spinner v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling strum_macros v0.8.0 [INFO] [stderr] Checking random-fast-rng v0.1.1 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking spinners v1.2.0 [INFO] [stderr] Checking random_mapping_monte_carlo v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.93s [INFO] running `Command { std: "docker" "inspect" "2edb1121c82d0482ca851ec93b8b824d84dd459d92e726aff02a1c9c14965acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2edb1121c82d0482ca851ec93b8b824d84dd459d92e726aff02a1c9c14965acb", kill_on_drop: false }` [INFO] [stdout] 2edb1121c82d0482ca851ec93b8b824d84dd459d92e726aff02a1c9c14965acb [INFO] checking virtualgraham/random_mapping_monte_carlo/b8987e4d642fa5b6416198fe67a0c6da040ce577 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtualgraham%2Frandom_mapping_monte_carlo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/virtualgraham/random_mapping_monte_carlo on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/virtualgraham/random_mapping_monte_carlo [INFO] finished tweaking git repo https://github.com/virtualgraham/random_mapping_monte_carlo [INFO] tweaked toml for git repo https://github.com/virtualgraham/random_mapping_monte_carlo written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/virtualgraham/random_mapping_monte_carlo 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2afc69e7bd0631d472d00f796f8e06100453910ade010a5ffa722d9794cf46c5 [INFO] running `Command { std: "docker" "start" "-a" "2afc69e7bd0631d472d00f796f8e06100453910ade010a5ffa722d9794cf46c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2afc69e7bd0631d472d00f796f8e06100453910ade010a5ffa722d9794cf46c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2afc69e7bd0631d472d00f796f8e06100453910ade010a5ffa722d9794cf46c5", kill_on_drop: false }` [INFO] [stdout] 2afc69e7bd0631d472d00f796f8e06100453910ade010a5ffa722d9794cf46c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da2df809a4a97fabb883601377e5e8670f1d73cc424144b086227a0967be96b8 [INFO] running `Command { std: "docker" "start" "-a" "da2df809a4a97fabb883601377e5e8670f1d73cc424144b086227a0967be96b8", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling random-trait v0.1.1 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking ansi_term v0.7.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking strum v0.8.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking random-fast-rng v0.1.1 [INFO] [stderr] Checking spinner v0.5.0 [INFO] [stderr] Compiling strum_macros v0.8.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking spinners v1.2.0 [INFO] [stderr] Checking random_mapping_monte_carlo v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.34s [INFO] running `Command { std: "docker" "inspect" "da2df809a4a97fabb883601377e5e8670f1d73cc424144b086227a0967be96b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da2df809a4a97fabb883601377e5e8670f1d73cc424144b086227a0967be96b8", kill_on_drop: false }` [INFO] [stdout] da2df809a4a97fabb883601377e5e8670f1d73cc424144b086227a0967be96b8