[INFO] updating cached repository https://github.com/KazumaTakata/rust_shell [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] 06ee28332915ee6731d601e684cd93adb5368294 [INFO] testing KazumaTakata/rust_shell against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazumaTakata%2Frust_shell" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KazumaTakata/rust_shell on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KazumaTakata/rust_shell [INFO] finished tweaking git repo https://github.com/KazumaTakata/rust_shell [INFO] tweaked toml for git repo https://github.com/KazumaTakata/rust_shell written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/KazumaTakata/rust_shell already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 462109c2665ca5c345a68b475fbce6add34371f2728c0365de9310230f01afaf [INFO] running `Command { std: "docker" "start" "-a" "462109c2665ca5c345a68b475fbce6add34371f2728c0365de9310230f01afaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "462109c2665ca5c345a68b475fbce6add34371f2728c0365de9310230f01afaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "462109c2665ca5c345a68b475fbce6add34371f2728c0365de9310230f01afaf", kill_on_drop: false }` [INFO] [stdout] 462109c2665ca5c345a68b475fbce6add34371f2728c0365de9310230f01afaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5d4d3581a3abb706cd1e47b59ec9fe2298512a002cb0b8821d5878d4d3af67f [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" "e5d4d3581a3abb706cd1e47b59ec9fe2298512a002cb0b8821d5878d4d3af67f", kill_on_drop: false }` [INFO] [stderr] Compiling rust_shell v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:181:86 [INFO] [stdout] | [INFO] [stdout] 181 | ... Err(why) => panic!("couldn't write to wc stdin: {}", why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:187:83 [INFO] [stdout] | [INFO] [stdout] 187 | ... Err(why) => panic!("couldn't read wc stdout: {}", why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `why` [INFO] [stdout] --> src/main.rs:174:25 [INFO] [stdout] | [INFO] [stdout] 174 | Err(why) => None, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `why` [INFO] [stdout] --> src/main.rs:201:25 [INFO] [stdout] | [INFO] [stdout] 201 | Err(why) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:212:33 [INFO] [stdout] | [INFO] [stdout] 212 | ... Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/main.rs:227:9 [INFO] [stdout] | [INFO] [stdout] 227 | let home = env::var("HOME").unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/main.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | let index = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | let mut term_seq = SeqCommandNode { [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: structure field `Type` should have a snake case name [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | Type: String, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Data` should have a snake case name [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Data: String, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Type` should have a snake case name [INFO] [stdout] --> src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | Type: String, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | env::set_current_dir(&root); [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] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.27s [INFO] running `Command { std: "docker" "inspect" "e5d4d3581a3abb706cd1e47b59ec9fe2298512a002cb0b8821d5878d4d3af67f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5d4d3581a3abb706cd1e47b59ec9fe2298512a002cb0b8821d5878d4d3af67f", kill_on_drop: false }` [INFO] [stdout] e5d4d3581a3abb706cd1e47b59ec9fe2298512a002cb0b8821d5878d4d3af67f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0b74c1cfb51270ca865cca34de34ac9c811e571eb1267163dfe7ab339eb222e [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" "a0b74c1cfb51270ca865cca34de34ac9c811e571eb1267163dfe7ab339eb222e", kill_on_drop: false }` [INFO] [stderr] Compiling rust_shell v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:181:86 [INFO] [stdout] | [INFO] [stdout] 181 | ... Err(why) => panic!("couldn't write to wc stdin: {}", why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:187:83 [INFO] [stdout] | [INFO] [stdout] 187 | ... Err(why) => panic!("couldn't read wc stdout: {}", why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `why` [INFO] [stdout] --> src/main.rs:174:25 [INFO] [stdout] | [INFO] [stdout] 174 | Err(why) => None, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `why` [INFO] [stdout] --> src/main.rs:201:25 [INFO] [stdout] | [INFO] [stdout] 201 | Err(why) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:212:33 [INFO] [stdout] | [INFO] [stdout] 212 | ... Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/main.rs:227:9 [INFO] [stdout] | [INFO] [stdout] 227 | let home = env::var("HOME").unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/main.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | let index = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | let mut term_seq = SeqCommandNode { [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: structure field `Type` should have a snake case name [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | Type: String, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Data` should have a snake case name [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Data: String, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Type` should have a snake case name [INFO] [stdout] --> src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | Type: String, [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | env::set_current_dir(&root); [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] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "a0b74c1cfb51270ca865cca34de34ac9c811e571eb1267163dfe7ab339eb222e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0b74c1cfb51270ca865cca34de34ac9c811e571eb1267163dfe7ab339eb222e", kill_on_drop: false }` [INFO] [stdout] a0b74c1cfb51270ca865cca34de34ac9c811e571eb1267163dfe7ab339eb222e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7d1da1572d1577a6534e184c1ee1975b43f44ea0633bfcba1ef6055e6c692a6d [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" "7d1da1572d1577a6534e184c1ee1975b43f44ea0633bfcba1ef6055e6c692a6d", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:181:86 [INFO] [stderr] | [INFO] [stderr] 181 | ... Err(why) => panic!("couldn't write to wc stdin: {}", why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:187:83 [INFO] [stderr] | [INFO] [stderr] 187 | ... Err(why) => panic!("couldn't read wc stdout: {}", why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `why` [INFO] [stderr] --> src/main.rs:174:25 [INFO] [stderr] | [INFO] [stderr] 174 | Err(why) => None, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `why` [INFO] [stderr] --> src/main.rs:201:25 [INFO] [stderr] | [INFO] [stderr] 201 | Err(why) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_why` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:212:33 [INFO] [stderr] | [INFO] [stderr] 212 | ... Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/main.rs:227:9 [INFO] [stderr] | [INFO] [stderr] 227 | let home = env::var("HOME").unwrap(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/main.rs:244:9 [INFO] [stderr] | [INFO] [stderr] 244 | let index = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:86:17 [INFO] [stderr] | [INFO] [stderr] 86 | let mut term_seq = SeqCommandNode { [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: structure field `Type` should have a snake case name [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Type: String, [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `type` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `Data` should have a snake case name [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Data: String, [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `data` [INFO] [stderr] [INFO] [stderr] warning: structure field `Type` should have a snake case name [INFO] [stderr] --> src/main.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | Type: String, [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `type` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | env::set_current_dir(&root); [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] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_shell-e2898fdccfcf10b8 [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" "7d1da1572d1577a6534e184c1ee1975b43f44ea0633bfcba1ef6055e6c692a6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d1da1572d1577a6534e184c1ee1975b43f44ea0633bfcba1ef6055e6c692a6d", kill_on_drop: false }` [INFO] [stdout] 7d1da1572d1577a6534e184c1ee1975b43f44ea0633bfcba1ef6055e6c692a6d