[INFO] fetching crate failchain 0.1018.2... [INFO] checking failchain-0.1018.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate failchain 0.1018.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate failchain 0.1018.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate failchain 0.1018.2 [INFO] finished tweaking crates.io crate failchain 0.1018.2 [INFO] tweaked toml for crates.io crate failchain 0.1018.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate failchain 0.1018.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.26 [INFO] [stderr] Downloaded backtrace v0.3.56 [INFO] [stderr] Downloaded syn v1.0.68 [INFO] [stderr] Downloaded libc v0.2.92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0199508623b199a5f4acf70f801dc224fa26a4161674f11811d43501628148a2 [INFO] running `Command { std: "docker" "start" "-a" "0199508623b199a5f4acf70f801dc224fa26a4161674f11811d43501628148a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0199508623b199a5f4acf70f801dc224fa26a4161674f11811d43501628148a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0199508623b199a5f4acf70f801dc224fa26a4161674f11811d43501628148a2", kill_on_drop: false }` [INFO] [stdout] 0199508623b199a5f4acf70f801dc224fa26a4161674f11811d43501628148a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d7de4388b30923b440323889e7588540d28613501a409c96948a6577c565fe7 [INFO] running `Command { std: "docker" "start" "-a" "5d7de4388b30923b440323889e7588540d28613501a409c96948a6577c565fe7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking failchain v0.1018.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `wad_file` [INFO] [stdout] --> examples/main.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let wad_file = File::open(wad).chain_err(|| ErrorKind::WadIo(wad.to_owned()))?; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wad_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `metadata_file` [INFO] [stdout] --> examples/main.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let metadata_file = File::open(metadata) [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> examples/main.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | pub type Result = StdResult; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `MetadataIo`, `CorruptMetadata`, `WadIo`, and `CorruptWad` are never constructed [INFO] [stdout] --> examples/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub enum ErrorKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 14 | #[fail(display = "Metadata I/O error {:?}.", 0)] [INFO] [stdout] 15 | MetadataIo(PathBuf), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | CorruptMetadata(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | WadIo(PathBuf), [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | CorruptWad(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_metadata` is never used [INFO] [stdout] --> examples/main.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | fn validate_metadata(path: &Path, metadata: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `load` is never used [INFO] [stdout] --> examples/main.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | fn load(wad: &Path, metadata: &Path) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s [INFO] running `Command { std: "docker" "inspect" "5d7de4388b30923b440323889e7588540d28613501a409c96948a6577c565fe7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d7de4388b30923b440323889e7588540d28613501a409c96948a6577c565fe7", kill_on_drop: false }` [INFO] [stdout] 5d7de4388b30923b440323889e7588540d28613501a409c96948a6577c565fe7 [INFO] checking failchain-0.1018.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate failchain 0.1018.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate failchain 0.1018.2 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate failchain 0.1018.2 [INFO] finished tweaking crates.io crate failchain 0.1018.2 [INFO] tweaked toml for crates.io crate failchain 0.1018.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate failchain 0.1018.2 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf8ed62ead93fa2dc84464e63934705b3db88ef2f6842a156a6a99bbf1b9c9e0 [INFO] running `Command { std: "docker" "start" "-a" "bf8ed62ead93fa2dc84464e63934705b3db88ef2f6842a156a6a99bbf1b9c9e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf8ed62ead93fa2dc84464e63934705b3db88ef2f6842a156a6a99bbf1b9c9e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf8ed62ead93fa2dc84464e63934705b3db88ef2f6842a156a6a99bbf1b9c9e0", kill_on_drop: false }` [INFO] [stdout] bf8ed62ead93fa2dc84464e63934705b3db88ef2f6842a156a6a99bbf1b9c9e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b8b7027def69b278e5fc88234791fbb1569c1b8c36d03f049734257dc592b30 [INFO] running `Command { std: "docker" "start" "-a" "3b8b7027def69b278e5fc88234791fbb1569c1b8c36d03f049734257dc592b30", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking failchain v0.1018.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `wad_file` [INFO] [stdout] --> examples/main.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let wad_file = File::open(wad).chain_err(|| ErrorKind::WadIo(wad.to_owned()))?; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wad_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `metadata_file` [INFO] [stdout] --> examples/main.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let metadata_file = File::open(metadata) [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> examples/main.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | pub type Result = StdResult; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `MetadataIo`, `CorruptMetadata`, `WadIo`, and `CorruptWad` are never constructed [INFO] [stdout] --> examples/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub enum ErrorKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 14 | #[fail(display = "Metadata I/O error {:?}.", 0)] [INFO] [stdout] 15 | MetadataIo(PathBuf), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | CorruptMetadata(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | WadIo(PathBuf), [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | CorruptWad(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_metadata` is never used [INFO] [stdout] --> examples/main.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | fn validate_metadata(path: &Path, metadata: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `load` is never used [INFO] [stdout] --> examples/main.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | fn load(wad: &Path, metadata: &Path) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.21s [INFO] running `Command { std: "docker" "inspect" "3b8b7027def69b278e5fc88234791fbb1569c1b8c36d03f049734257dc592b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b8b7027def69b278e5fc88234791fbb1569c1b8c36d03f049734257dc592b30", kill_on_drop: false }` [INFO] [stdout] 3b8b7027def69b278e5fc88234791fbb1569c1b8c36d03f049734257dc592b30