[INFO] cloning repository https://github.com/PetriHiltula/rolldice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PetriHiltula/rolldice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetriHiltula%2Frolldice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetriHiltula%2Frolldice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6bcd8cc8320fb6ca39784919bb3fdb718c38bbac [INFO] checking PetriHiltula/rolldice against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetriHiltula%2Frolldice" "/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/PetriHiltula/rolldice 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/PetriHiltula/rolldice [INFO] finished tweaking git repo https://github.com/PetriHiltula/rolldice [INFO] tweaked toml for git repo https://github.com/PetriHiltula/rolldice written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PetriHiltula/rolldice 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 rand_chacha v0.2.0 [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] 3fe347d4048a2128b8f45836c671932351278505dc950e62b6e7bb99538e6dff [INFO] running `Command { std: "docker" "start" "-a" "3fe347d4048a2128b8f45836c671932351278505dc950e62b6e7bb99538e6dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fe347d4048a2128b8f45836c671932351278505dc950e62b6e7bb99538e6dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fe347d4048a2128b8f45836c671932351278505dc950e62b6e7bb99538e6dff", kill_on_drop: false }` [INFO] [stdout] 3fe347d4048a2128b8f45836c671932351278505dc950e62b6e7bb99538e6dff [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] 1fa8084f6381dbe53410edbc438500af4e6add2ef60bdab1a64affab08cb853e [INFO] running `Command { std: "docker" "start" "-a" "1fa8084f6381dbe53410edbc438500af4e6add2ef60bdab1a64affab08cb853e", kill_on_drop: false }` [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.8 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking rolldice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `dice_roll` is never read [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut dice_roll: i32 = 0; [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 `dice_roll` is never read [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut dice_roll: i32 = 0; [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 `multiplier` is never read [INFO] [stdout] --> src/main.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | let mut multiplier: i32 = 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 `multiplier` is never read [INFO] [stdout] --> src/main.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | let mut multiplier: i32 = 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 `modifier` is never read [INFO] [stdout] --> src/main.rs:58:11 [INFO] [stdout] | [INFO] [stdout] 58 | let mut modifier: i32 = 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 `modifier` is never read [INFO] [stdout] --> src/main.rs:58:11 [INFO] [stdout] | [INFO] [stdout] 58 | let mut modifier: i32 = 0; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Err(e) => { multiplier = 1 } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | Err(e) => { modifier = 0; } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Err(e) => { multiplier = 1 } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | Err(e) => { modifier = 0; } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [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 1.62s [INFO] running `Command { std: "docker" "inspect" "1fa8084f6381dbe53410edbc438500af4e6add2ef60bdab1a64affab08cb853e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fa8084f6381dbe53410edbc438500af4e6add2ef60bdab1a64affab08cb853e", kill_on_drop: false }` [INFO] [stdout] 1fa8084f6381dbe53410edbc438500af4e6add2ef60bdab1a64affab08cb853e [INFO] checking PetriHiltula/rolldice against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetriHiltula%2Frolldice" "/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/PetriHiltula/rolldice 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/PetriHiltula/rolldice [INFO] finished tweaking git repo https://github.com/PetriHiltula/rolldice [INFO] tweaked toml for git repo https://github.com/PetriHiltula/rolldice written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/PetriHiltula/rolldice 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] db3c5ebe2cdc5a6965b8afc652f5455a12e9cb0a1dd8cdf2acdc876dca795e2d [INFO] running `Command { std: "docker" "start" "-a" "db3c5ebe2cdc5a6965b8afc652f5455a12e9cb0a1dd8cdf2acdc876dca795e2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db3c5ebe2cdc5a6965b8afc652f5455a12e9cb0a1dd8cdf2acdc876dca795e2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db3c5ebe2cdc5a6965b8afc652f5455a12e9cb0a1dd8cdf2acdc876dca795e2d", kill_on_drop: false }` [INFO] [stdout] db3c5ebe2cdc5a6965b8afc652f5455a12e9cb0a1dd8cdf2acdc876dca795e2d [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] a8280a50d0ba2219ebe3f90b28fc65c20617e6b46f8be3d94bb1fe378bfea7e7 [INFO] running `Command { std: "docker" "start" "-a" "a8280a50d0ba2219ebe3f90b28fc65c20617e6b46f8be3d94bb1fe378bfea7e7", kill_on_drop: false }` [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.8 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.9/src/exec.rs:795:13 [INFO] [stdout] | [INFO] [stdout] 795 | / match dfa::Fsm::reverse( [INFO] [stdout] 796 | | &self.ro.dfa_reverse, [INFO] [stdout] 797 | | self.cache, [INFO] [stdout] 798 | | false, [INFO] [stdout] ... | [INFO] [stdout] 809 | | Quit => return Some(Quit), [INFO] [stdout] 810 | | }; [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" "a8280a50d0ba2219ebe3f90b28fc65c20617e6b46f8be3d94bb1fe378bfea7e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8280a50d0ba2219ebe3f90b28fc65c20617e6b46f8be3d94bb1fe378bfea7e7", kill_on_drop: false }` [INFO] [stdout] a8280a50d0ba2219ebe3f90b28fc65c20617e6b46f8be3d94bb1fe378bfea7e7