[INFO] cloning repository https://github.com/mkpankov/rusty_boy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkpankov/rusty_boy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Frusty_boy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Frusty_boy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 304dbea8f56496636341e6d7b6a4a5bb3e9cf1f7 [INFO] checking mkpankov/rusty_boy against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Frusty_boy" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mkpankov/rusty_boy on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mkpankov/rusty_boy [INFO] finished tweaking git repo https://github.com/mkpankov/rusty_boy [INFO] tweaked toml for git repo https://github.com/mkpankov/rusty_boy written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/mkpankov/rusty_boy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bread v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ac4cc5e3430746ee1e43e909ad78b286e78fce0c03c7b8bfddc093afb67dfac [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6ac4cc5e3430746ee1e43e909ad78b286e78fce0c03c7b8bfddc093afb67dfac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ac4cc5e3430746ee1e43e909ad78b286e78fce0c03c7b8bfddc093afb67dfac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ac4cc5e3430746ee1e43e909ad78b286e78fce0c03c7b8bfddc093afb67dfac", kill_on_drop: false }` [INFO] [stdout] 6ac4cc5e3430746ee1e43e909ad78b286e78fce0c03c7b8bfddc093afb67dfac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ccdec18da8846a436128128b4f4439f69ef0c3821d8668affe38d6b0e8e1d10 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1ccdec18da8846a436128128b4f4439f69ef0c3821d8668affe38d6b0e8e1d10", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking term v0.2.14 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking bread v0.1.0 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rusty_boy v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:262:10 [INFO] [stdout] | [INFO] [stdout] 262 | 0...1 => term::color::BLUE, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:297:19 [INFO] [stdout] | [INFO] [stdout] 297 | function: &'a Fn(isize, isize) -> isize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(isize, isize) -> isize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `json` is imported redundantly [INFO] [stdout] --> src/main.rs:533:9 [INFO] [stdout] | [INFO] [stdout] 17 | use rustc_serialize::json; [INFO] [stdout] | --------------------- the item `json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 533 | use rustc_serialize::json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:262:10 [INFO] [stdout] | [INFO] [stdout] 262 | 0...1 => term::color::BLUE, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:297:19 [INFO] [stdout] | [INFO] [stdout] 297 | function: &'a Fn(isize, isize) -> isize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(isize, isize) -> isize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `json` is imported redundantly [INFO] [stdout] --> src/main.rs:533:9 [INFO] [stdout] | [INFO] [stdout] 17 | use rustc_serialize::json; [INFO] [stdout] | --------------------- the item `json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 533 | use rustc_serialize::json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:557:9 [INFO] [stdout] | [INFO] [stdout] 557 | let mut stdin = std::io::stdin(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:557:9 [INFO] [stdout] | [INFO] [stdout] 557 | let mut stdin = std::io::stdin(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.06s [INFO] running `Command { std: "docker" "inspect" "1ccdec18da8846a436128128b4f4439f69ef0c3821d8668affe38d6b0e8e1d10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ccdec18da8846a436128128b4f4439f69ef0c3821d8668affe38d6b0e8e1d10", kill_on_drop: false }` [INFO] [stdout] 1ccdec18da8846a436128128b4f4439f69ef0c3821d8668affe38d6b0e8e1d10