[INFO] updating cached repository https://github.com/Ryan1729/prop-proc-prog-puzz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cde2a1afb4ca6edbf59d8ad7e518d2b11b3c7304 [INFO] checking Ryan1729/prop-proc-prog-puzz against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fprop-proc-prog-puzz" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ryan1729/prop-proc-prog-puzz on toolchain c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ryan1729/prop-proc-prog-puzz [INFO] finished tweaking git repo https://github.com/Ryan1729/prop-proc-prog-puzz [INFO] tweaked toml for git repo https://github.com/Ryan1729/prop-proc-prog-puzz written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Ryan1729/prop-proc-prog-puzz already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 383cd61e07de238b9427f4c46718695085b08a20fdfcc9dea7bd912d5d7a7b53 [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" "383cd61e07de238b9427f4c46718695085b08a20fdfcc9dea7bd912d5d7a7b53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "383cd61e07de238b9427f4c46718695085b08a20fdfcc9dea7bd912d5d7a7b53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "383cd61e07de238b9427f4c46718695085b08a20fdfcc9dea7bd912d5d7a7b53", kill_on_drop: false }` [INFO] [stdout] 383cd61e07de238b9427f4c46718695085b08a20fdfcc9dea7bd912d5d7a7b53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a6ef0a8bb4d3c89e01255d1bc72d3fcd266be596d2e06595c14ad28fa9023ac [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" "0a6ef0a8bb4d3c89e01255d1bc72d3fcd266be596d2e06595c14ad28fa9023ac", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking log v0.3.6 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking prop_proc_prog_puzz v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v0.1.80 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/code_gen.rs:212:22 [INFO] [stdout] | [INFO] [stdout] 212 | pub example: &'a Fn(&mut StdRng) -> String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdRng) -> String` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/code_gen.rs:217:46 [INFO] [stdout] | [INFO] [stdout] 217 | pub fn built_in(name: &str, example: &'a Fn(&mut StdRng) -> String) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdRng) -> String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:38:25 [INFO] [stdout] | [INFO] [stdout] 38 | let input_example: &Fn(&mut StdRng) -> String = &|rng: &mut StdRng| rng.gen::().to_string(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdRng) -> String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:69:20 [INFO] [stdout] | [INFO] [stdout] 69 | example: &|mut rng| match rng.gen::() % 3 { [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] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.3.2 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/code_gen.rs:212:22 [INFO] [stdout] | [INFO] [stdout] 212 | pub example: &'a Fn(&mut StdRng) -> String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdRng) -> String` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/code_gen.rs:217:46 [INFO] [stdout] | [INFO] [stdout] 217 | pub fn built_in(name: &str, example: &'a Fn(&mut StdRng) -> String) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdRng) -> String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:38:25 [INFO] [stdout] | [INFO] [stdout] 38 | let input_example: &Fn(&mut StdRng) -> String = &|rng: &mut StdRng| rng.gen::().to_string(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdRng) -> String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:69:20 [INFO] [stdout] | [INFO] [stdout] 69 | example: &|mut rng| match rng.gen::() % 3 { [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 7.13s [INFO] running `Command { std: "docker" "inspect" "0a6ef0a8bb4d3c89e01255d1bc72d3fcd266be596d2e06595c14ad28fa9023ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a6ef0a8bb4d3c89e01255d1bc72d3fcd266be596d2e06595c14ad28fa9023ac", kill_on_drop: false }` [INFO] [stdout] 0a6ef0a8bb4d3c89e01255d1bc72d3fcd266be596d2e06595c14ad28fa9023ac