[INFO] cloning repository https://github.com/m-bra/swirl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-bra/swirl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-bra%2Fswirl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-bra%2Fswirl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bb6a77d31a8fdc72b6cba25f17234842b987ad9c [INFO] checking m-bra/swirl against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-bra%2Fswirl" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/m-bra/swirl on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/m-bra/swirl [INFO] finished tweaking git repo https://github.com/m-bra/swirl [INFO] tweaked toml for git repo https://github.com/m-bra/swirl written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e4485868f4b1ff47423adbb920678fbbe352a884d9528afb0b1013ac45d41e7 [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" "4e4485868f4b1ff47423adbb920678fbbe352a884d9528afb0b1013ac45d41e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e4485868f4b1ff47423adbb920678fbbe352a884d9528afb0b1013ac45d41e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e4485868f4b1ff47423adbb920678fbbe352a884d9528afb0b1013ac45d41e7", kill_on_drop: false }` [INFO] [stdout] 4e4485868f4b1ff47423adbb920678fbbe352a884d9528afb0b1013ac45d41e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6cde962a3388cf176a1f78447b16546ff10ac8d5d0fc06f09984f3e8e5ce2f8d [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" "6cde962a3388cf176a1f78447b16546ff10ac8d5d0fc06f09984f3e8e5ce2f8d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking finally-block v0.2.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking rayon-core v1.8.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stderr] Checking swirl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/mmatch/match_rule_variant.rs:156:58 [INFO] [stdout] | [INFO] [stdout] 151 | / unimplemented!(" [INFO] [stdout] 152 | | this program crashed because the coder was too lazy to implement a specific case. sorry. [INFO] [stdout] 153 | | okay but alright to be fair, recursive rules are unefficient when they have bodies. [INFO] [stdout] 154 | | "); [INFO] [stdout] | |___________________________- any code following this expression is unreachable [INFO] [stdout] 155 | // the following code needs to be fixed by ... [INFO] [stdout] 156 | for (_, mut invoc_str_result) in frame_stack.drain(..).rev() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `level` is never read [INFO] [stdout] --> src/mmatch/match_invocation_string.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | level -= 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `frame_result` is never read [INFO] [stdout] --> src/mmatch/match_rule_variant.rs:115:25 [INFO] [stdout] | [INFO] [stdout] 115 | let mut frame_result = Ok(("", InvocStrResult::empty())); // result of current frame [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/mmatch/match_rule_variant.rs:150:33 [INFO] [stdout] | [INFO] [stdout] 150 | if let Some(body) = &self.body { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mmatch/match_rule_variant.rs:168:33 [INFO] [stdout] | [INFO] [stdout] 168 | for (_, mut invoc_str_result) in frame_stack.drain(..).rev() { [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: static variable `first` should have an upper case name [INFO] [stdout] --> src/mmatch/match_rule_variant.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | static mut first: bool = true; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `FIRST` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `parse_header` in this scope [INFO] [stdout] --> src/mmatch/match_rule.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | parse_header("::digit").unwrap(), None [INFO] [stdout] | ^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `parse_header` in this scope [INFO] [stdout] --> src/mmatch/match_rule.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | parse_header(":d:digit::digits").unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `parse_body` in this scope [INFO] [stdout] --> src/mmatch/match_rule.rs:81:22 [INFO] [stdout] | [INFO] [stdout] 81 | Some(parse_body("Two .times: :d:d").unwrap()), [INFO] [stdout] | ^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/mmatch/match_rule_variant.rs:156:58 [INFO] [stdout] | [INFO] [stdout] 151 | / unimplemented!(" [INFO] [stdout] 152 | | this program crashed because the coder was too lazy to implement a specific case. sorry. [INFO] [stdout] 153 | | okay but alright to be fair, recursive rules are unefficient when they have bodies. [INFO] [stdout] 154 | | "); [INFO] [stdout] | |___________________________- any code following this expression is unreachable [INFO] [stdout] 155 | // the following code needs to be fixed by ... [INFO] [stdout] 156 | for (_, mut invoc_str_result) in frame_stack.drain(..).rev() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/types/invocation_string.rs:142:82 [INFO] [stdout] | [INFO] [stdout] 142 | let header = match_invocation_string_def("{::expr {' or '} ::or}", '{', '}', WhiteSpaceHandling::Remove) .unwrap().1.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `&mmatch::match_invocation_string::WhiteSpaceHandling`, found enum `mmatch::match_invocation_string::WhiteSpaceHandling` [INFO] [stdout] | help: consider borrowing here: `&WhiteSpaceHandling::Remove` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0425. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `swirl`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "6cde962a3388cf176a1f78447b16546ff10ac8d5d0fc06f09984f3e8e5ce2f8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cde962a3388cf176a1f78447b16546ff10ac8d5d0fc06f09984f3e8e5ce2f8d", kill_on_drop: false }` [INFO] [stdout] 6cde962a3388cf176a1f78447b16546ff10ac8d5d0fc06f09984f3e8e5ce2f8d