[INFO] fetching crate envsub 0.1.3... [INFO] checking envsub-0.1.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate envsub 0.1.3 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate envsub 0.1.3 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 crates.io crate envsub 0.1.3 [INFO] finished tweaking crates.io crate envsub 0.1.3 [INFO] tweaked toml for crates.io crate envsub 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate envsub 0.1.3 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] Downloading crates ... [INFO] [stderr] Downloaded regex v1.2.1 [INFO] [stderr] Downloaded regex-syntax v0.6.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2dff2927d80f5d94b29d7067c2f7a876457447d8a370fb4c3554cc2ed84dddb0 [INFO] running `Command { std: "docker" "start" "-a" "2dff2927d80f5d94b29d7067c2f7a876457447d8a370fb4c3554cc2ed84dddb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dff2927d80f5d94b29d7067c2f7a876457447d8a370fb4c3554cc2ed84dddb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dff2927d80f5d94b29d7067c2f7a876457447d8a370fb4c3554cc2ed84dddb0", kill_on_drop: false }` [INFO] [stdout] 2dff2927d80f5d94b29d7067c2f7a876457447d8a370fb4c3554cc2ed84dddb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 512442996b4271d9821ec37f4f11d6b253fcb69d0b0816cf440e1c5445589d51 [INFO] running `Command { std: "docker" "start" "-a" "512442996b4271d9821ec37f4f11d6b253fcb69d0b0816cf440e1c5445589d51", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking envsub v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:74:26 [INFO] [stdout] | [INFO] [stdout] 74 | Err(f) => panic!(f.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 74 | Err(f) => panic!("{}", f.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:74:26 [INFO] [stdout] | [INFO] [stdout] 74 | Err(f) => panic!(f.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 74 | Err(f) => panic!("{}", f.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:179:46 [INFO] [stdout] | [INFO] [stdout] 179 | ... ":-" => match val.borrow() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Option` does not implement `Borrow`, so calling `borrow` on `&Option` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 179 - ":-" => match val.borrow() { [INFO] [stdout] 179 + ":-" => match val { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:179:46 [INFO] [stdout] | [INFO] [stdout] 179 | ... ":-" => match val.borrow() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Option` does not implement `Borrow`, so calling `borrow` on `&Option` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 179 - ":-" => match val.borrow() { [INFO] [stdout] 179 + ":-" => match val { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:189:43 [INFO] [stdout] | [INFO] [stdout] 189 | ... _ => match val.borrow() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Option` does not implement `Borrow`, so calling `borrow` on `&Option` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 189 - _ => match val.borrow() { [INFO] [stdout] 189 + _ => match val { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:189:43 [INFO] [stdout] | [INFO] [stdout] 189 | ... _ => match val.borrow() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Option` does not implement `Borrow`, so calling `borrow` on `&Option` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 189 - _ => match val.borrow() { [INFO] [stdout] 189 + _ => match val { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:194:42 [INFO] [stdout] | [INFO] [stdout] 194 | None => match val.borrow() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Option` does not implement `Borrow`, so calling `borrow` on `&Option` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 194 - None => match val.borrow() { [INFO] [stdout] 194 + None => match val { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:194:42 [INFO] [stdout] | [INFO] [stdout] 194 | None => match val.borrow() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Option` does not implement `Borrow`, so calling `borrow` on `&Option` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 194 - None => match val.borrow() { [INFO] [stdout] 194 + None => match val { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:208:52 [INFO] [stdout] | [INFO] [stdout] 208 | .map_or("", |m| m.as_str()) [INFO] [stdout] | ____________________________________________________^ [INFO] [stdout] 209 | | .clone() [INFO] [stdout] | |________________________________^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:208:52 [INFO] [stdout] | [INFO] [stdout] 208 | .map_or("", |m| m.as_str()) [INFO] [stdout] | ____________________________________________________^ [INFO] [stdout] 209 | | .clone() [INFO] [stdout] | |________________________________^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "512442996b4271d9821ec37f4f11d6b253fcb69d0b0816cf440e1c5445589d51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "512442996b4271d9821ec37f4f11d6b253fcb69d0b0816cf440e1c5445589d51", kill_on_drop: false }` [INFO] [stdout] 512442996b4271d9821ec37f4f11d6b253fcb69d0b0816cf440e1c5445589d51 [INFO] checking envsub-0.1.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate envsub 0.1.3 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate envsub 0.1.3 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 crates.io crate envsub 0.1.3 [INFO] finished tweaking crates.io crate envsub 0.1.3 [INFO] tweaked toml for crates.io crate envsub 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate envsub 0.1.3 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac44095bb57678d6b6f3700c2c8ad141ec75876e6a4b9bbdd18c7d19143f301d [INFO] running `Command { std: "docker" "start" "-a" "ac44095bb57678d6b6f3700c2c8ad141ec75876e6a4b9bbdd18c7d19143f301d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac44095bb57678d6b6f3700c2c8ad141ec75876e6a4b9bbdd18c7d19143f301d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac44095bb57678d6b6f3700c2c8ad141ec75876e6a4b9bbdd18c7d19143f301d", kill_on_drop: false }` [INFO] [stdout] ac44095bb57678d6b6f3700c2c8ad141ec75876e6a4b9bbdd18c7d19143f301d [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" "-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] eb883fa8bc0b1a8820eb330d7ef068948da56f3af106fedf746a033f703a22ea [INFO] running `Command { std: "docker" "start" "-a" "eb883fa8bc0b1a8820eb330d7ef068948da56f3af106fedf746a033f703a22ea", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.2.1/src/exec.rs:797:13 [INFO] [stdout] | [INFO] [stdout] 797 | / match dfa::Fsm::reverse( [INFO] [stdout] 798 | | &self.ro.dfa_reverse, [INFO] [stdout] 799 | | self.cache, [INFO] [stdout] 800 | | false, [INFO] [stdout] ... | [INFO] [stdout] 811 | | Quit => return Some(Quit), [INFO] [stdout] 812 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "eb883fa8bc0b1a8820eb330d7ef068948da56f3af106fedf746a033f703a22ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb883fa8bc0b1a8820eb330d7ef068948da56f3af106fedf746a033f703a22ea", kill_on_drop: false }` [INFO] [stdout] eb883fa8bc0b1a8820eb330d7ef068948da56f3af106fedf746a033f703a22ea