[INFO] updating cached repository https://github.com/shika-blyat/regex-engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 073551372d25adffb72b138cb5b7a3428e653198 [INFO] testing shika-blyat/regex-engine against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fregex-engine" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shika-blyat/regex-engine on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shika-blyat/regex-engine [INFO] finished tweaking git repo https://github.com/shika-blyat/regex-engine [INFO] tweaked toml for git repo https://github.com/shika-blyat/regex-engine written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/shika-blyat/regex-engine already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50e93d23972804242e65cb1ca4aa98bda8343daf6ab1c8d22a538702043546db [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "50e93d23972804242e65cb1ca4aa98bda8343daf6ab1c8d22a538702043546db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50e93d23972804242e65cb1ca4aa98bda8343daf6ab1c8d22a538702043546db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50e93d23972804242e65cb1ca4aa98bda8343daf6ab1c8d22a538702043546db", kill_on_drop: false }` [INFO] [stdout] 50e93d23972804242e65cb1ca4aa98bda8343daf6ab1c8d22a538702043546db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 111310fbc31a14fdab6db8ab904dd02d85f0bc9ad2e374bc85f5199348b85810 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "111310fbc31a14fdab6db8ab904dd02d85f0bc9ad2e374bc85f5199348b85810", kill_on_drop: false }` [INFO] [stderr] Compiling math-eval-tuto v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `NFA` [INFO] [stdout] --> src/main.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use nfa::{NFABuilder, NFA}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/nfa.rs:142:29 [INFO] [stdout] | [INFO] [stdout] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let mut final_states = HashSet::new(); [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/nfa.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_all_final_states_internal` [INFO] [stdout] --> src/nfa.rs:146:8 [INFO] [stdout] | [INFO] [stdout] 146 | fn get_all_final_states_internal( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/nfa.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | / write!( [INFO] [stdout] 19 | | fmtr, [INFO] [stdout] 20 | | "{} -'{}'> {}\n", [INFO] [stdout] 21 | | self.starting_node, [INFO] [stdout] 22 | | trans.consumes.unwrap_or('\0'), [INFO] [stdout] 23 | | trans.to [INFO] [stdout] 24 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/nfa.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | / write!( [INFO] [stdout] 30 | | fmtr, [INFO] [stdout] 31 | | "{} -'{}'> {}\n", [INFO] [stdout] 32 | | idx, [INFO] [stdout] 33 | | trans.consumes.unwrap_or('\0'), [INFO] [stdout] 34 | | trans.to, [INFO] [stdout] 35 | | ); [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/nfa.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | write!(fmtr, "{} ->\n", idx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "111310fbc31a14fdab6db8ab904dd02d85f0bc9ad2e374bc85f5199348b85810", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "111310fbc31a14fdab6db8ab904dd02d85f0bc9ad2e374bc85f5199348b85810", kill_on_drop: false }` [INFO] [stdout] 111310fbc31a14fdab6db8ab904dd02d85f0bc9ad2e374bc85f5199348b85810 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e80f4d5b519e997349ddf2091d16ebe11fb65ec367e674ca247a4ea56330e3d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8e80f4d5b519e997349ddf2091d16ebe11fb65ec367e674ca247a4ea56330e3d", kill_on_drop: false }` [INFO] [stderr] Compiling math-eval-tuto v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `NFA` [INFO] [stdout] --> src/main.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use nfa::{NFABuilder, NFA}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/nfa.rs:142:29 [INFO] [stdout] | [INFO] [stdout] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let mut final_states = HashSet::new(); [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/nfa.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_all_final_states_internal` [INFO] [stdout] --> src/nfa.rs:146:8 [INFO] [stdout] | [INFO] [stdout] 146 | fn get_all_final_states_internal( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/nfa.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | / write!( [INFO] [stdout] 19 | | fmtr, [INFO] [stdout] 20 | | "{} -'{}'> {}\n", [INFO] [stdout] 21 | | self.starting_node, [INFO] [stdout] 22 | | trans.consumes.unwrap_or('\0'), [INFO] [stdout] 23 | | trans.to [INFO] [stdout] 24 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/nfa.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | / write!( [INFO] [stdout] 30 | | fmtr, [INFO] [stdout] 31 | | "{} -'{}'> {}\n", [INFO] [stdout] 32 | | idx, [INFO] [stdout] 33 | | trans.consumes.unwrap_or('\0'), [INFO] [stdout] 34 | | trans.to, [INFO] [stdout] 35 | | ); [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/nfa.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | write!(fmtr, "{} ->\n", idx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "8e80f4d5b519e997349ddf2091d16ebe11fb65ec367e674ca247a4ea56330e3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e80f4d5b519e997349ddf2091d16ebe11fb65ec367e674ca247a4ea56330e3d", kill_on_drop: false }` [INFO] [stdout] 8e80f4d5b519e997349ddf2091d16ebe11fb65ec367e674ca247a4ea56330e3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 86ea43532d62689d52855f72eb739c9dd8e61abf4072e644c8dab76027074a2e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "86ea43532d62689d52855f72eb739c9dd8e61abf4072e644c8dab76027074a2e", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `NFA` [INFO] [stderr] --> src/main.rs:5:23 [INFO] [stderr] | [INFO] [stderr] 5 | use nfa::{NFABuilder, NFA}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle` [INFO] [stderr] --> src/nfa.rs:142:29 [INFO] [stderr] | [INFO] [stderr] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nfa.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | let mut final_states = HashSet::new(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nfa.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_all_final_states_internal` [INFO] [stderr] --> src/nfa.rs:146:8 [INFO] [stderr] | [INFO] [stderr] 146 | fn get_all_final_states_internal( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/nfa.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | / write!( [INFO] [stderr] 19 | | fmtr, [INFO] [stderr] 20 | | "{} -'{}'> {}\n", [INFO] [stderr] 21 | | self.starting_node, [INFO] [stderr] 22 | | trans.consumes.unwrap_or('\0'), [INFO] [stderr] 23 | | trans.to [INFO] [stderr] 24 | | ); [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/nfa.rs:29:21 [INFO] [stderr] | [INFO] [stderr] 29 | / write!( [INFO] [stderr] 30 | | fmtr, [INFO] [stderr] 31 | | "{} -'{}'> {}\n", [INFO] [stderr] 32 | | idx, [INFO] [stderr] 33 | | trans.consumes.unwrap_or('\0'), [INFO] [stderr] 34 | | trans.to, [INFO] [stderr] 35 | | ); [INFO] [stderr] | |______________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/nfa.rs:38:21 [INFO] [stderr] | [INFO] [stderr] 38 | write!(fmtr, "{} ->\n", idx); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/math_eval_tuto-c251bce50a858ce1 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "86ea43532d62689d52855f72eb739c9dd8e61abf4072e644c8dab76027074a2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86ea43532d62689d52855f72eb739c9dd8e61abf4072e644c8dab76027074a2e", kill_on_drop: false }` [INFO] [stdout] 86ea43532d62689d52855f72eb739c9dd8e61abf4072e644c8dab76027074a2e