[INFO] cloning repository https://github.com/wiryfuture/timetabler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wiryfuture/timetabler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiryfuture%2Ftimetabler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiryfuture%2Ftimetabler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 35af4c97feda52d1c5c7fe089fce54b08cf88533 [INFO] checking wiryfuture/timetabler against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiryfuture%2Ftimetabler" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wiryfuture/timetabler 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/wiryfuture/timetabler [INFO] finished tweaking git repo https://github.com/wiryfuture/timetabler [INFO] tweaked toml for git repo https://github.com/wiryfuture/timetabler written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/wiryfuture/timetabler 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 curl v0.4.42 [INFO] [stderr] Downloaded curl-sys v0.4.52+curl-7.81.0 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e66f3feb573047c04c8b555a0df0a2d7a95e62e5466300ae2346fe28163d743 [INFO] running `Command { std: "docker" "start" "-a" "8e66f3feb573047c04c8b555a0df0a2d7a95e62e5466300ae2346fe28163d743", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e66f3feb573047c04c8b555a0df0a2d7a95e62e5466300ae2346fe28163d743", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e66f3feb573047c04c8b555a0df0a2d7a95e62e5466300ae2346fe28163d743", kill_on_drop: false }` [INFO] [stdout] 8e66f3feb573047c04c8b555a0df0a2d7a95e62e5466300ae2346fe28163d743 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6b80a5fe8139eceb9c65013a319650a8c99e4958f8f6fa8d0769649173b308f [INFO] running `Command { std: "docker" "start" "-a" "f6b80a5fe8139eceb9c65013a319650a8c99e4958f8f6fa8d0769649173b308f", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling curl v0.4.42 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling curl-sys v0.4.52+curl-7.81.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking fancy-regex v0.8.0 [INFO] [stderr] Checking timetabler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `password` is assigned to, but never used [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let password: String; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_password` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `username` is assigned to, but never used [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let username: String; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_username` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `week` is assigned to, but never used [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let week: i32; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_week` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `username` is never read [INFO] [stdout] --> src/main.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | Ok(a) => username = a, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `password` is never read [INFO] [stdout] --> src/main.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | Ok(a) => password = a, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `week` is never read [INFO] [stdout] --> src/main.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | Ok(b) => week = b, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `week` is never read [INFO] [stdout] --> src/main.rs:23:82 [INFO] [stdout] | [INFO] [stdout] 23 | Err(_e) => {println!("week not set or invalid. defaulting to now."); week=0}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `week` is never read [INFO] [stdout] --> src/main.rs:25:78 [INFO] [stdout] | [INFO] [stdout] 25 | Err(_e) => {println!("week not set or invalid. defaulting to now."); week=0}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `password` is assigned to, but never used [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let password: String; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_password` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `username` is assigned to, but never used [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let username: String; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_username` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `week` is assigned to, but never used [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let week: i32; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_week` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `username` is never read [INFO] [stdout] --> src/main.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | Ok(a) => username = a, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `password` is never read [INFO] [stdout] --> src/main.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | Ok(a) => password = a, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `week` is never read [INFO] [stdout] --> src/main.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | Ok(b) => week = b, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `week` is never read [INFO] [stdout] --> src/main.rs:23:82 [INFO] [stdout] | [INFO] [stdout] 23 | Err(_e) => {println!("week not set or invalid. defaulting to now."); week=0}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `week` is never read [INFO] [stdout] --> src/main.rs:25:78 [INFO] [stdout] | [INFO] [stdout] 25 | Err(_e) => {println!("week not set or invalid. defaulting to now."); week=0}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s [INFO] running `Command { std: "docker" "inspect" "f6b80a5fe8139eceb9c65013a319650a8c99e4958f8f6fa8d0769649173b308f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6b80a5fe8139eceb9c65013a319650a8c99e4958f8f6fa8d0769649173b308f", kill_on_drop: false }` [INFO] [stdout] f6b80a5fe8139eceb9c65013a319650a8c99e4958f8f6fa8d0769649173b308f [INFO] checking wiryfuture/timetabler against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiryfuture%2Ftimetabler" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wiryfuture/timetabler 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/wiryfuture/timetabler [INFO] finished tweaking git repo https://github.com/wiryfuture/timetabler [INFO] tweaked toml for git repo https://github.com/wiryfuture/timetabler written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wiryfuture/timetabler 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 501b69bb0ff85c373ea161e812bfdacd5a19dc6d63a13ac22f608ce130b320b0 [INFO] running `Command { std: "docker" "start" "-a" "501b69bb0ff85c373ea161e812bfdacd5a19dc6d63a13ac22f608ce130b320b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "501b69bb0ff85c373ea161e812bfdacd5a19dc6d63a13ac22f608ce130b320b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "501b69bb0ff85c373ea161e812bfdacd5a19dc6d63a13ac22f608ce130b320b0", kill_on_drop: false }` [INFO] [stdout] 501b69bb0ff85c373ea161e812bfdacd5a19dc6d63a13ac22f608ce130b320b0 [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ad4c092a662425dfee4ca302b0a8012e063501614015b6bc079c4d4fc53e278 [INFO] running `Command { std: "docker" "start" "-a" "2ad4c092a662425dfee4ca302b0a8012e063501614015b6bc079c4d4fc53e278", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling curl v0.4.42 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling curl-sys v0.4.52+curl-7.81.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.5/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "2ad4c092a662425dfee4ca302b0a8012e063501614015b6bc079c4d4fc53e278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ad4c092a662425dfee4ca302b0a8012e063501614015b6bc079c4d4fc53e278", kill_on_drop: false }` [INFO] [stdout] 2ad4c092a662425dfee4ca302b0a8012e063501614015b6bc079c4d4fc53e278