[INFO] cloning repository https://github.com/mouchabeurre/game-of-life [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mouchabeurre/game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmouchabeurre%2Fgame-of-life", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmouchabeurre%2Fgame-of-life'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 141d065a27575219ebbb1b6bb4f8db260fd83cf9 [INFO] checking mouchabeurre/game-of-life against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmouchabeurre%2Fgame-of-life" "/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/mouchabeurre/game-of-life on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mouchabeurre/game-of-life [INFO] finished tweaking git repo https://github.com/mouchabeurre/game-of-life [INFO] tweaked toml for git repo https://github.com/mouchabeurre/game-of-life written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mouchabeurre/game-of-life 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctrlc v3.1.9 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9c2be48a8100d5ec54d105184e5f68bea4890de4fb06d40edb7e68b00b57b51 [INFO] running `Command { std: "docker" "start" "-a" "a9c2be48a8100d5ec54d105184e5f68bea4890de4fb06d40edb7e68b00b57b51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9c2be48a8100d5ec54d105184e5f68bea4890de4fb06d40edb7e68b00b57b51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9c2be48a8100d5ec54d105184e5f68bea4890de4fb06d40edb7e68b00b57b51", kill_on_drop: false }` [INFO] [stdout] a9c2be48a8100d5ec54d105184e5f68bea4890de4fb06d40edb7e68b00b57b51 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 224a2cf2c888162a12698ba8ebeda77f017a7768ac6b4b5481cc4f2c45d9e8c4 [INFO] running `Command { std: "docker" "start" "-a" "224a2cf2c888162a12698ba8ebeda77f017a7768ac6b4b5481cc4f2c45d9e8c4", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking ctrlc v3.1.9 [INFO] [stderr] Checking game-of-life v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.03s [INFO] running `Command { std: "docker" "inspect" "224a2cf2c888162a12698ba8ebeda77f017a7768ac6b4b5481cc4f2c45d9e8c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "224a2cf2c888162a12698ba8ebeda77f017a7768ac6b4b5481cc4f2c45d9e8c4", kill_on_drop: false }` [INFO] [stdout] 224a2cf2c888162a12698ba8ebeda77f017a7768ac6b4b5481cc4f2c45d9e8c4 [INFO] checking mouchabeurre/game-of-life against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmouchabeurre%2Fgame-of-life" "/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/mouchabeurre/game-of-life on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mouchabeurre/game-of-life [INFO] finished tweaking git repo https://github.com/mouchabeurre/game-of-life [INFO] tweaked toml for git repo https://github.com/mouchabeurre/game-of-life written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mouchabeurre/game-of-life 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6854a8abcfc18db470950d73640f19398f20eb38fa4b93561d6a1929a65810f8 [INFO] running `Command { std: "docker" "start" "-a" "6854a8abcfc18db470950d73640f19398f20eb38fa4b93561d6a1929a65810f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6854a8abcfc18db470950d73640f19398f20eb38fa4b93561d6a1929a65810f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6854a8abcfc18db470950d73640f19398f20eb38fa4b93561d6a1929a65810f8", kill_on_drop: false }` [INFO] [stdout] 6854a8abcfc18db470950d73640f19398f20eb38fa4b93561d6a1929a65810f8 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c286d7f99415d094dc081cada02222c9e76a1371c152d68fad224e1b342fbf1 [INFO] running `Command { std: "docker" "start" "-a" "6c286d7f99415d094dc081cada02222c9e76a1371c152d68fad224e1b342fbf1", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking ctrlc v3.1.9 [INFO] [stderr] Checking game-of-life v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.67s [INFO] running `Command { std: "docker" "inspect" "6c286d7f99415d094dc081cada02222c9e76a1371c152d68fad224e1b342fbf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c286d7f99415d094dc081cada02222c9e76a1371c152d68fad224e1b342fbf1", kill_on_drop: false }` [INFO] [stdout] 6c286d7f99415d094dc081cada02222c9e76a1371c152d68fad224e1b342fbf1