[INFO] cloning repository https://github.com/higumachan/atomic-book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/higumachan/atomic-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fatomic-book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fatomic-book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 249ae5d79d69b2f3bfce163f414e801437c256c5 [INFO] checking higumachan/atomic-book against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fatomic-book" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/higumachan/atomic-book 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/higumachan/atomic-book [INFO] finished tweaking git repo https://github.com/higumachan/atomic-book [INFO] tweaked toml for git repo https://github.com/higumachan/atomic-book written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/higumachan/atomic-book 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded atomic-wait v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 81e861e7b6b693afb51ca92f88cf1d1d30b8d0711c26ad6de4d68b8609e42ed1 [INFO] running `Command { std: "docker" "start" "-a" "81e861e7b6b693afb51ca92f88cf1d1d30b8d0711c26ad6de4d68b8609e42ed1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81e861e7b6b693afb51ca92f88cf1d1d30b8d0711c26ad6de4d68b8609e42ed1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81e861e7b6b693afb51ca92f88cf1d1d30b8d0711c26ad6de4d68b8609e42ed1", kill_on_drop: false }` [INFO] [stdout] 81e861e7b6b693afb51ca92f88cf1d1d30b8d0711c26ad6de4d68b8609e42ed1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0c915d0532deb26ba431c197ece623875181b4728655a0f8d09c3ed271165eec [INFO] running `Command { std: "docker" "start" "-a" "0c915d0532deb26ba431c197ece623875181b4728655a0f8d09c3ed271165eec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking atomic-wait v1.1.0 [INFO] [stderr] Checking atomic-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_002.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_002.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_002.rs:107:21 [INFO] [stdout] | [INFO] [stdout] 107 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_003.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_003.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_003.rs:131:21 [INFO] [stdout] | [INFO] [stdout] 131 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_001.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_001.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_001.rs:97:21 [INFO] [stdout] | [INFO] [stdout] 97 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> examples/lock_rw_002.rs:49:23 [INFO] [stdout] | [INFO] [stdout] 49 | while let Err(s) = [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "0c915d0532deb26ba431c197ece623875181b4728655a0f8d09c3ed271165eec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c915d0532deb26ba431c197ece623875181b4728655a0f8d09c3ed271165eec", kill_on_drop: false }` [INFO] [stdout] 0c915d0532deb26ba431c197ece623875181b4728655a0f8d09c3ed271165eec [INFO] checking higumachan/atomic-book against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fatomic-book" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/higumachan/atomic-book 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/higumachan/atomic-book [INFO] finished tweaking git repo https://github.com/higumachan/atomic-book [INFO] tweaked toml for git repo https://github.com/higumachan/atomic-book written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/higumachan/atomic-book 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 50264750d01cd090c17bd5795ece550bdf9dd840c81568f77971fb7fed50a0a9 [INFO] running `Command { std: "docker" "start" "-a" "50264750d01cd090c17bd5795ece550bdf9dd840c81568f77971fb7fed50a0a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50264750d01cd090c17bd5795ece550bdf9dd840c81568f77971fb7fed50a0a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50264750d01cd090c17bd5795ece550bdf9dd840c81568f77971fb7fed50a0a9", kill_on_drop: false }` [INFO] [stdout] 50264750d01cd090c17bd5795ece550bdf9dd840c81568f77971fb7fed50a0a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bc215559a541b62dc2db4a6b524bf60589e30c8545582470a56b4b5193f99b15 [INFO] running `Command { std: "docker" "start" "-a" "bc215559a541b62dc2db4a6b524bf60589e30c8545582470a56b4b5193f99b15", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking atomic-wait v1.1.0 [INFO] [stderr] Checking atomic-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> examples/cache002.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | black_box(spawn(|| loop { [INFO] [stdout] | _____^^^^^^^^^_- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type of the type parameter `T` declared on the function `black_box` [INFO] [stdout] 12 | | black_box(A.load(Relaxed)); [INFO] [stdout] 13 | | })); [INFO] [stdout] | |______- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 11 | black_box::>(spawn(|| loop { [INFO] [stdout] | +++++++++++++++++ [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 E0283`. [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> examples/cache005.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | black_box(spawn(|| loop { [INFO] [stdout] | _____^^^^^^^^^_- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type of the type parameter `T` declared on the function `black_box` [INFO] [stdout] 19 | | A[0].0.store(0, Relaxed); [INFO] [stdout] 20 | | A[2].0.store(0, Relaxed); [INFO] [stdout] 21 | | })); [INFO] [stdout] | |______- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 18 | black_box::>(spawn(|| loop { [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_002.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_002.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `atomic-book` (example "cache002") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> examples/cache003.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | black_box(spawn(|| loop { [INFO] [stdout] | _____^^^^^^^^^_- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type of the type parameter `T` declared on the function `black_box` [INFO] [stdout] 12 | | black_box(A.store(0, Relaxed)); [INFO] [stdout] 13 | | })); [INFO] [stdout] | |______- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 11 | black_box::>(spawn(|| loop { [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_002.rs:107:21 [INFO] [stdout] | [INFO] [stdout] 107 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [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 E0283`. [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 E0283`. [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> examples/lock_rw_002.rs:49:23 [INFO] [stdout] | [INFO] [stdout] 49 | while let Err(s) = [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `atomic-book` (example "cache003") due to 2 previous errors [INFO] [stderr] error: could not compile `atomic-book` (example "cache005") due to 2 previous errors [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_001.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_001.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_001.rs:97:21 [INFO] [stdout] | [INFO] [stdout] 97 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_003.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_003.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/lock_mutex_003.rs:131:21 [INFO] [stdout] | [INFO] [stdout] 131 | for i in 0..1000_000_0 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bc215559a541b62dc2db4a6b524bf60589e30c8545582470a56b4b5193f99b15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc215559a541b62dc2db4a6b524bf60589e30c8545582470a56b4b5193f99b15", kill_on_drop: false }` [INFO] [stdout] bc215559a541b62dc2db4a6b524bf60589e30c8545582470a56b4b5193f99b15