[INFO] cloning repository https://github.com/khanny17/trace [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khanny17/trace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanny17%2Ftrace", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanny17%2Ftrace'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] facc718823db015e4075b59aaf1dbb2576ffef03 [INFO] checking khanny17/trace against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanny17%2Ftrace" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/khanny17/trace on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/khanny17/trace [INFO] finished tweaking git repo https://github.com/khanny17/trace [INFO] tweaked toml for git repo https://github.com/khanny17/trace written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/khanny17/trace 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive_internals v0.23.0 [INFO] [stderr] Downloaded serde_derive v1.0.37 [INFO] [stderr] Downloaded serde_json v1.0.13 [INFO] [stderr] Downloaded serde v1.0.37 [INFO] [stderr] Downloaded grep v0.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 063da00a7732c2cd403d5e919e95031e342c220c9085716d4348c756e9ee98e7 [INFO] running `Command { std: "docker" "start" "-a" "063da00a7732c2cd403d5e919e95031e342c220c9085716d4348c756e9ee98e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "063da00a7732c2cd403d5e919e95031e342c220c9085716d4348c756e9ee98e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "063da00a7732c2cd403d5e919e95031e342c220c9085716d4348c756e9ee98e7", kill_on_drop: false }` [INFO] [stdout] 063da00a7732c2cd403d5e919e95031e342c220c9085716d4348c756e9ee98e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13f1f6071f604d9821a0ee3d972ea24bac79e1dad521d455796f702650620e90 [INFO] running `Command { std: "docker" "start" "-a" "13f1f6071f604d9821a0ee3d972ea24bac79e1dad521d455796f702650620e90", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking serde v1.0.37 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking same-file v1.0.2 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking yaml-rust v0.4.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking walkdir v2.1.4 [INFO] [stderr] Checking regex-syntax v0.5.3 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Checking grep v0.1.8 [INFO] [stderr] Checking serde_yaml v0.7.3 [INFO] [stderr] Checking serde_json v1.0.13 [INFO] [stderr] Checking trace v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | / lazy_static! { [INFO] [stdout] 37 | | static ref RE: Regex = Regex::new(r"^(\./|/)target|/\..*") [INFO] [stdout] 38 | | .expect("Unable to parse regex"); [INFO] [stdout] 39 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | / lazy_static! { [INFO] [stdout] 37 | | static ref RE: Regex = Regex::new(r"^(\./|/)target|/\..*") [INFO] [stdout] 38 | | .expect("Unable to parse regex"); [INFO] [stdout] 39 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `filename`, `line_number`, and `line` are never read [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 27 | struct Trace { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 28 | pub filename: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 29 | pub line_number: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 30 | pub line: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Trace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `requirement` is never read [INFO] [stdout] --> src/main.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 212 | struct ReqTraces { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 213 | requirement: Requirement, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReqTraces` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `filename`, `line_number`, and `line` are never read [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 27 | struct Trace { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 28 | pub filename: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 29 | pub line_number: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 30 | pub line: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Trace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `requirement` is never read [INFO] [stdout] --> src/main.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 212 | struct ReqTraces { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 213 | requirement: Requirement, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReqTraces` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.88s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "13f1f6071f604d9821a0ee3d972ea24bac79e1dad521d455796f702650620e90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13f1f6071f604d9821a0ee3d972ea24bac79e1dad521d455796f702650620e90", kill_on_drop: false }` [INFO] [stdout] 13f1f6071f604d9821a0ee3d972ea24bac79e1dad521d455796f702650620e90 [INFO] checking khanny17/trace against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanny17%2Ftrace" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/khanny17/trace on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/khanny17/trace [INFO] finished tweaking git repo https://github.com/khanny17/trace [INFO] tweaked toml for git repo https://github.com/khanny17/trace written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/khanny17/trace 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9928c128ef7aef6bdfedc16759b42511b99578d6a60a52e1066cea009858961 [INFO] running `Command { std: "docker" "start" "-a" "f9928c128ef7aef6bdfedc16759b42511b99578d6a60a52e1066cea009858961", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9928c128ef7aef6bdfedc16759b42511b99578d6a60a52e1066cea009858961", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9928c128ef7aef6bdfedc16759b42511b99578d6a60a52e1066cea009858961", kill_on_drop: false }` [INFO] [stdout] f9928c128ef7aef6bdfedc16759b42511b99578d6a60a52e1066cea009858961 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5cd2427cf9b4b22781a6324a0cadbea2daff42c9666c7b7781dc509a2db43c1 [INFO] running `Command { std: "docker" "start" "-a" "b5cd2427cf9b4b22781a6324a0cadbea2daff42c9666c7b7781dc509a2db43c1", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking serde v1.0.37 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking same-file v1.0.2 [INFO] [stderr] Checking yaml-rust v0.4.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking regex-syntax v0.5.3 [INFO] [stderr] Checking walkdir v2.1.4 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.10/src/exec.rs:751:13 [INFO] [stdout] | [INFO] [stdout] 751 | / match dfa::Fsm::reverse( [INFO] [stdout] 752 | | &self.ro.dfa_reverse, [INFO] [stdout] 753 | | self.cache, [INFO] [stdout] 754 | | false, [INFO] [stdout] ... | [INFO] [stdout] 761 | | Quit => return Some(Quit), [INFO] [stdout] 762 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b5cd2427cf9b4b22781a6324a0cadbea2daff42c9666c7b7781dc509a2db43c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5cd2427cf9b4b22781a6324a0cadbea2daff42c9666c7b7781dc509a2db43c1", kill_on_drop: false }` [INFO] [stdout] b5cd2427cf9b4b22781a6324a0cadbea2daff42c9666c7b7781dc509a2db43c1