[INFO] cloning repository https://github.com/Enter-tainer/usysy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Enter-tainer/usysy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnter-tainer%2Fusysy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnter-tainer%2Fusysy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0f7c2fca96c8acf3657ccdc246ebc7f8370069dc [INFO] checking Enter-tainer/usysy 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%2FEnter-tainer%2Fusysy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Enter-tainer/usysy [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/Enter-tainer/usysy [INFO] tweaked toml for git repo https://github.com/Enter-tainer/usysy written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Enter-tainer/usysy 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/Enter-tainer/usysy 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56e46f1ec06c594c906c3b9013cc1af147cbcb192d342ca943fcb6191b0b239b [INFO] running `Command { std: "docker" "start" "-a" "56e46f1ec06c594c906c3b9013cc1af147cbcb192d342ca943fcb6191b0b239b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56e46f1ec06c594c906c3b9013cc1af147cbcb192d342ca943fcb6191b0b239b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56e46f1ec06c594c906c3b9013cc1af147cbcb192d342ca943fcb6191b0b239b", kill_on_drop: false }` [INFO] [stdout] 56e46f1ec06c594c906c3b9013cc1af147cbcb192d342ca943fcb6191b0b239b [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 -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] 469b7534ad312191692693d1e9edde4f1cfb56abc35f793dad9ad75f181898db [INFO] running `Command { std: "docker" "start" "-a" "469b7534ad312191692693d1e9edde4f1cfb56abc35f793dad9ad75f181898db", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling crossbeam-utils v0.8.9 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Checking lexical-util v0.8.5 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Checking smawk v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking clap_lex v0.2.2 [INFO] [stderr] Checking object v0.28.4 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking lexical-write-integer v0.8.5 [INFO] [stderr] Checking lexical-parse-integer v0.8.6 [INFO] [stderr] Checking crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking lexical-write-float v0.8.5 [INFO] [stderr] Checking lexical-parse-float v0.8.5 [INFO] [stderr] Compiling inkwell v0.1.0-beta.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking is_ci v1.1.1 [INFO] [stderr] Checking supports-color v1.3.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling tree-sitter v0.20.6 [INFO] [stderr] Checking rayon-core v1.9.3 [INFO] [stderr] Compiling tree-sitter-sysy v0.20.1 (/opt/rustwide/workdir/tree-sitter-sysy) [INFO] [stderr] Checking supports-hyperlinks v1.2.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking supports-unicode v1.0.2 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking lexical-core v0.8.5 [INFO] [stderr] Checking owo-colors v3.4.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking lexical v6.1.1 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking rayon v1.5.3 [INFO] [stderr] Checking parse_int v0.6.0 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling unicode-linebreak v0.1.2 [INFO] [stderr] Compiling llvm-sys v130.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.2.4 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling inkwell_internals v0.5.0 [INFO] [stderr] Compiling miette-derive v5.1.0 [INFO] [stderr] Compiling phf_macros v0.10.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking phf v0.10.1 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking miette v5.1.0 [INFO] [stderr] Checking clap v3.2.4 [INFO] [stderr] Checking libtest-mimic v0.4.1 [INFO] [stderr] Checking sysy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `src` is never read [INFO] [stdout] --> src/error.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | src: NamedSource, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `range` is never read [INFO] [stdout] --> src/error.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | range: SourceSpan, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/codegen/var.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 127 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 127 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/codegen/var.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 127 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 127 | ) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | pub input: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | pub input: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sysy` (bin "sysy") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `sysy` (bin "sysy" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "469b7534ad312191692693d1e9edde4f1cfb56abc35f793dad9ad75f181898db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "469b7534ad312191692693d1e9edde4f1cfb56abc35f793dad9ad75f181898db", kill_on_drop: false }` [INFO] [stdout] 469b7534ad312191692693d1e9edde4f1cfb56abc35f793dad9ad75f181898db