[INFO] cloning repository https://github.com/hayatoito/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hayatoito/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayatoito%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayatoito%2Fbrainfuck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f6318b9e8cb56204374c090841256548bfb570d1 [INFO] checking hayatoito/brainfuck against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayatoito%2Fbrainfuck" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hayatoito/brainfuck [INFO] finished tweaking git repo https://github.com/hayatoito/brainfuck [INFO] tweaked toml for git repo https://github.com/hayatoito/brainfuck written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hayatoito/brainfuck on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hayatoito/brainfuck 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15ac1b32e7fa08ddd6abfe5f998ebfe1aa08b2f0e0b66f4778cb44749f536918 [INFO] running `Command { std: "docker" "start" "-a" "15ac1b32e7fa08ddd6abfe5f998ebfe1aa08b2f0e0b66f4778cb44749f536918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15ac1b32e7fa08ddd6abfe5f998ebfe1aa08b2f0e0b66f4778cb44749f536918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15ac1b32e7fa08ddd6abfe5f998ebfe1aa08b2f0e0b66f4778cb44749f536918", kill_on_drop: false }` [INFO] [stdout] 15ac1b32e7fa08ddd6abfe5f998ebfe1aa08b2f0e0b66f4778cb44749f536918 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d369a440d98d2f223f5b9ba4e50ba1bc7eddb939490d8ac15b60e9d317b5b4b2 [INFO] running `Command { std: "docker" "start" "-a" "d369a440d98d2f223f5b9ba4e50ba1bc7eddb939490d8ac15b60e9d317b5b4b2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling cc v1.0.27 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Compiling backtrace-sys v0.1.26 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.11 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking criterion-stats v0.2.5 [INFO] [stderr] Checking criterion-plot v0.2.5 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking loggerv v0.7.1 [INFO] [stderr] Checking mmap v0.1.1 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Compiling structopt-derive v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking structopt v0.2.14 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Checking criterion v0.2.5 [INFO] [stderr] Checking brainfuck v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/brainfuck.rs:169:25 [INFO] [stdout] | [INFO] [stdout] 169 | pc += 1;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/brainfuck.rs:584:32 [INFO] [stdout] | [INFO] [stdout] 584 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/brainfuck.rs:584:43 [INFO] [stdout] | [INFO] [stdout] 584 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/brainfuck.rs:169:25 [INFO] [stdout] | [INFO] [stdout] 169 | pc += 1;; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/brainfuck.rs:367:39 [INFO] [stdout] | [INFO] [stdout] 367 | let bytes: [u8; 4] = unsafe { std::mem::transmute(n.to_le()) }; [INFO] [stdout] | -------------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/brainfuck.rs:379:39 [INFO] [stdout] | [INFO] [stdout] 379 | let bytes: [u8; 4] = unsafe { std::mem::transmute(n.to_le()) }; [INFO] [stdout] | -------------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/brainfuck.rs:584:32 [INFO] [stdout] | [INFO] [stdout] 584 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Expected` [INFO] [stdout] 585 | struct Expected { [INFO] [stdout] | -------- `Expected` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/brainfuck.rs:584:43 [INFO] [stdout] | [INFO] [stdout] 584 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Expected` [INFO] [stdout] 585 | struct Expected { [INFO] [stdout] | -------- `Expected` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/brainfuck.rs:367:39 [INFO] [stdout] | [INFO] [stdout] 367 | let bytes: [u8; 4] = unsafe { std::mem::transmute(n.to_le()) }; [INFO] [stdout] | -------------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/brainfuck.rs:379:39 [INFO] [stdout] | [INFO] [stdout] 379 | let bytes: [u8; 4] = unsafe { std::mem::transmute(n.to_le()) }; [INFO] [stdout] | -------------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u32::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(StructOpt, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `brainfuck` (bin "brainfuck" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(StructOpt, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `brainfuck` (bin "brainfuck") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "d369a440d98d2f223f5b9ba4e50ba1bc7eddb939490d8ac15b60e9d317b5b4b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d369a440d98d2f223f5b9ba4e50ba1bc7eddb939490d8ac15b60e9d317b5b4b2", kill_on_drop: false }` [INFO] [stdout] d369a440d98d2f223f5b9ba4e50ba1bc7eddb939490d8ac15b60e9d317b5b4b2