[INFO] cloning repository https://github.com/wa7sa34cx/rust-kladov [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wa7sa34cx/rust-kladov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Frust-kladov", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Frust-kladov'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e017b6a61cad96bfbad415ffc9610a596ef47170 [INFO] testing wa7sa34cx/rust-kladov against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Frust-kladov" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wa7sa34cx/rust-kladov on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wa7sa34cx/rust-kladov [INFO] finished tweaking git repo https://github.com/wa7sa34cx/rust-kladov [INFO] tweaked toml for git repo https://github.com/wa7sa34cx/rust-kladov written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/wa7sa34cx/rust-kladov already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb467a025a5a3ec5c74bcac4241ae4eca18ecd8443643f44f63101302abaa8eb [INFO] running `Command { std: "docker" "start" "-a" "bb467a025a5a3ec5c74bcac4241ae4eca18ecd8443643f44f63101302abaa8eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb467a025a5a3ec5c74bcac4241ae4eca18ecd8443643f44f63101302abaa8eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb467a025a5a3ec5c74bcac4241ae4eca18ecd8443643f44f63101302abaa8eb", kill_on_drop: false }` [INFO] [stdout] bb467a025a5a3ec5c74bcac4241ae4eca18ecd8443643f44f63101302abaa8eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a67cabbc5e8a244ff08023aa22f84764b6d2a6d3c2ef110b893f666bf7d6be7 [INFO] running `Command { std: "docker" "start" "-a" "1a67cabbc5e8a244ff08023aa22f84764b6d2a6d3c2ef110b893f666bf7d6be7", kill_on_drop: false }` [INFO] [stderr] Compiling kladov v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `r` is assigned to, but never used [INFO] [stdout] --> src/ch02_lifetime/mod.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let r: &i32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_r` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/ch02_lifetime/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | r = &y; // `y` does not live long enough!!! [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/ch02_lifetime/mod.rs:193:26 [INFO] [stdout] | [INFO] [stdout] 193 | fn f<'a, 'b>(x: &'a i32, y: &'b i32) -> &'a i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ch02_lifetime/mod.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | let mut w = Wrapper { [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "1a67cabbc5e8a244ff08023aa22f84764b6d2a6d3c2ef110b893f666bf7d6be7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a67cabbc5e8a244ff08023aa22f84764b6d2a6d3c2ef110b893f666bf7d6be7", kill_on_drop: false }` [INFO] [stdout] 1a67cabbc5e8a244ff08023aa22f84764b6d2a6d3c2ef110b893f666bf7d6be7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b46c9cf5bda24b0ab48eb212d05cb9578be3a5ffd6ed30fd1976d89a2360c41d [INFO] running `Command { std: "docker" "start" "-a" "b46c9cf5bda24b0ab48eb212d05cb9578be3a5ffd6ed30fd1976d89a2360c41d", kill_on_drop: false }` [INFO] [stderr] Compiling kladov v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `r` is assigned to, but never used [INFO] [stdout] --> src/ch02_lifetime/mod.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let r: &i32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_r` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/ch02_lifetime/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | r = &y; // `y` does not live long enough!!! [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/ch02_lifetime/mod.rs:193:26 [INFO] [stdout] | [INFO] [stdout] 193 | fn f<'a, 'b>(x: &'a i32, y: &'b i32) -> &'a i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ch02_lifetime/mod.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | let mut w = Wrapper { [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.34s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/kladov-4cb831e762932d40) [INFO] running `Command { std: "docker" "inspect" "b46c9cf5bda24b0ab48eb212d05cb9578be3a5ffd6ed30fd1976d89a2360c41d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b46c9cf5bda24b0ab48eb212d05cb9578be3a5ffd6ed30fd1976d89a2360c41d", kill_on_drop: false }` [INFO] [stdout] b46c9cf5bda24b0ab48eb212d05cb9578be3a5ffd6ed30fd1976d89a2360c41d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0cdf554163b1cca10bfac983f945820db5d8809515a242617fceaa017950ee1f [INFO] running `Command { std: "docker" "start" "-a" "0cdf554163b1cca10bfac983f945820db5d8809515a242617fceaa017950ee1f", kill_on_drop: false }` [INFO] [stderr] warning: variable `r` is assigned to, but never used [INFO] [stderr] --> src/ch02_lifetime/mod.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let r: &i32; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_r` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/ch02_lifetime/mod.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | r = &y; // `y` does not live long enough!!! [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/ch02_lifetime/mod.rs:193:26 [INFO] [stderr] | [INFO] [stderr] 193 | fn f<'a, 'b>(x: &'a i32, y: &'b i32) -> &'a i32 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ch02_lifetime/mod.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | let mut w = Wrapper { [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: `kladov` (bin "kladov" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kladov-4cb831e762932d40) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0cdf554163b1cca10bfac983f945820db5d8809515a242617fceaa017950ee1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cdf554163b1cca10bfac983f945820db5d8809515a242617fceaa017950ee1f", kill_on_drop: false }` [INFO] [stdout] 0cdf554163b1cca10bfac983f945820db5d8809515a242617fceaa017950ee1f