[INFO] cloning repository https://github.com/JakobDegen/lucky-minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JakobDegen/lucky-minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakobDegen%2Flucky-minesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakobDegen%2Flucky-minesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63bbaa390e934611e97bfcaf9d70b6b260503fa6
[INFO] checking JakobDegen/lucky-minesweeper/63bbaa390e934611e97bfcaf9d70b6b260503fa6 against try#52ae2445414b2a196b318d85c2819995c6e5f1aa for pr-133397
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakobDegen%2Flucky-minesweeper" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JakobDegen/lucky-minesweeper on toolchain 52ae2445414b2a196b318d85c2819995c6e5f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/JakobDegen/lucky-minesweeper
[INFO] finished tweaking git repo https://github.com/JakobDegen/lucky-minesweeper
[INFO] tweaked toml for git repo https://github.com/JakobDegen/lucky-minesweeper written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JakobDegen/lucky-minesweeper 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" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "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 half v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e818027ef386223f3a7aa4d02e6c5f24a45c6a89ff28842cee6b5f9ebf68af7e
[INFO] running `Command { std: "docker" "start" "-a" "e818027ef386223f3a7aa4d02e6c5f24a45c6a89ff28842cee6b5f9ebf68af7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e818027ef386223f3a7aa4d02e6c5f24a45c6a89ff28842cee6b5f9ebf68af7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e818027ef386223f3a7aa4d02e6c5f24a45c6a89ff28842cee6b5f9ebf68af7e", kill_on_drop: false }`
[INFO] [stdout] e818027ef386223f3a7aa4d02e6c5f24a45c6a89ff28842cee6b5f9ebf68af7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38af2fe3a956cc5d91d9d90491ebbd4b065a5d3bfab4f25dec6753ef1cd0ed45
[INFO] running `Command { std: "docker" "start" "-a" "38af2fe3a956cc5d91d9d90491ebbd4b065a5d3bfab4f25dec6753ef1cd0ed45", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking half v1.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking lucky-minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "38af2fe3a956cc5d91d9d90491ebbd4b065a5d3bfab4f25dec6753ef1cd0ed45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38af2fe3a956cc5d91d9d90491ebbd4b065a5d3bfab4f25dec6753ef1cd0ed45", kill_on_drop: false }`
[INFO] [stdout] 38af2fe3a956cc5d91d9d90491ebbd4b065a5d3bfab4f25dec6753ef1cd0ed45