[INFO] cloning repository https://github.com/aymen150/micro-shell [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aymen150/micro-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faymen150%2Fmicro-shell", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faymen150%2Fmicro-shell'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c74826d75fecfebc33b5ea289824657848eb9459 [INFO] checking aymen150/micro-shell against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faymen150%2Fmicro-shell" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aymen150/micro-shell 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/aymen150/micro-shell [INFO] finished tweaking git repo https://github.com/aymen150/micro-shell [INFO] tweaked toml for git repo https://github.com/aymen150/micro-shell written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aymen150/micro-shell 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] warning: unused manifest key: package.regex [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0a75edbc99a21c67afda5a4b72840a3ad6d0e0003454e0c4b3539eda855c3461 [INFO] running `Command { std: "docker" "start" "-a" "0a75edbc99a21c67afda5a4b72840a3ad6d0e0003454e0c4b3539eda855c3461", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a75edbc99a21c67afda5a4b72840a3ad6d0e0003454e0c4b3539eda855c3461", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a75edbc99a21c67afda5a4b72840a3ad6d0e0003454e0c4b3539eda855c3461", kill_on_drop: false }` [INFO] [stdout] 0a75edbc99a21c67afda5a4b72840a3ad6d0e0003454e0c4b3539eda855c3461 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5abb6789613b690c576d016b2e40f9dd6e75cee32579b525b23b515ed3f027cf [INFO] running `Command { std: "docker" "start" "-a" "5abb6789613b690c576d016b2e40f9dd6e75cee32579b525b23b515ed3f027cf", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.regex [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking micro-shell v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/main.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 89 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/main.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/main.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 89 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/main.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:172:1 [INFO] [stdout] | [INFO] [stdout] 96 | / loop { [INFO] [stdout] 97 | | let stdout = io::stdout(); [INFO] [stdout] 98 | | let mut handle = stdout.lock(); [INFO] [stdout] 99 | | let stdin = io::stdin(); [INFO] [stdout] ... | [INFO] [stdout] 170 | | [INFO] [stdout] 171 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 172 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:172:1 [INFO] [stdout] | [INFO] [stdout] 96 | / loop { [INFO] [stdout] 97 | | let stdout = io::stdout(); [INFO] [stdout] 98 | | let mut handle = stdout.lock(); [INFO] [stdout] 99 | | let stdin = io::stdin(); [INFO] [stdout] ... | [INFO] [stdout] 170 | | [INFO] [stdout] 171 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 172 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `echo_child` [INFO] [stdout] --> src/main.rs:130:17 [INFO] [stdout] | [INFO] [stdout] 130 | let echo_child = Command::new(function_1) [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_child` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sed_child` [INFO] [stdout] --> src/main.rs:164:17 [INFO] [stdout] | [INFO] [stdout] 164 | let sed_child = Command::new(function_2) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sed_child` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `echo_child` [INFO] [stdout] --> src/main.rs:130:17 [INFO] [stdout] | [INFO] [stdout] 130 | let echo_child = Command::new(function_1) [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_child` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sed_child` [INFO] [stdout] --> src/main.rs:164:17 [INFO] [stdout] | [INFO] [stdout] 164 | let sed_child = Command::new(function_2) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sed_child` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut function_1 = cap_1[0]; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut function_1 = cap_1[0]; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:138:17 [INFO] [stdout] | [INFO] [stdout] 138 | let mut x: Vec<&str>= div[1].split(" ").collect(); [INFO] [stdout] | -----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:138:17 [INFO] [stdout] | [INFO] [stdout] 138 | let mut x: Vec<&str>= div[1].split(" ").collect(); [INFO] [stdout] | -----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:145:17 [INFO] [stdout] | [INFO] [stdout] 145 | let mut function_2 = cap_2[0]; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:145:17 [INFO] [stdout] | [INFO] [stdout] 145 | let mut function_2 = cap_2[0]; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [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 1.62s [INFO] running `Command { std: "docker" "inspect" "5abb6789613b690c576d016b2e40f9dd6e75cee32579b525b23b515ed3f027cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5abb6789613b690c576d016b2e40f9dd6e75cee32579b525b23b515ed3f027cf", kill_on_drop: false }` [INFO] [stdout] 5abb6789613b690c576d016b2e40f9dd6e75cee32579b525b23b515ed3f027cf [INFO] checking aymen150/micro-shell against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faymen150%2Fmicro-shell" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aymen150/micro-shell 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/aymen150/micro-shell [INFO] finished tweaking git repo https://github.com/aymen150/micro-shell [INFO] tweaked toml for git repo https://github.com/aymen150/micro-shell written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aymen150/micro-shell 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] [stderr] warning: unused manifest key: package.regex [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e5c895288569a9a456ba5cdd2e553c0f7a1d7697ed2e6a189fc77795fa9750b6 [INFO] running `Command { std: "docker" "start" "-a" "e5c895288569a9a456ba5cdd2e553c0f7a1d7697ed2e6a189fc77795fa9750b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5c895288569a9a456ba5cdd2e553c0f7a1d7697ed2e6a189fc77795fa9750b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5c895288569a9a456ba5cdd2e553c0f7a1d7697ed2e6a189fc77795fa9750b6", kill_on_drop: false }` [INFO] [stdout] e5c895288569a9a456ba5cdd2e553c0f7a1d7697ed2e6a189fc77795fa9750b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 276be7023ab5b94787c094201859f073fa0d1d467b5747f1f97f6ad70741e0bf [INFO] running `Command { std: "docker" "start" "-a" "276be7023ab5b94787c094201859f073fa0d1d467b5747f1f97f6ad70741e0bf", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.regex [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.7/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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" "276be7023ab5b94787c094201859f073fa0d1d467b5747f1f97f6ad70741e0bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "276be7023ab5b94787c094201859f073fa0d1d467b5747f1f97f6ad70741e0bf", kill_on_drop: false }` [INFO] [stdout] 276be7023ab5b94787c094201859f073fa0d1d467b5747f1f97f6ad70741e0bf