[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-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Frust-kladov" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wa7sa34cx/rust-kladov on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-28/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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab0f78a1354baf76baf47f9e4c2df94ecd8eb65ecb4c6916112e077407375a3f [INFO] running `Command { std: "docker" "start" "-a" "ab0f78a1354baf76baf47f9e4c2df94ecd8eb65ecb4c6916112e077407375a3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab0f78a1354baf76baf47f9e4c2df94ecd8eb65ecb4c6916112e077407375a3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab0f78a1354baf76baf47f9e4c2df94ecd8eb65ecb4c6916112e077407375a3f", kill_on_drop: false }` [INFO] [stdout] ab0f78a1354baf76baf47f9e4c2df94ecd8eb65ecb4c6916112e077407375a3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac77374876971e3aa515456a2fc2682845eb22d2bcc696c822e2cb308a527153 [INFO] running `Command { std: "docker" "start" "-a" "ac77374876971e3aa515456a2fc2682845eb22d2bcc696c822e2cb308a527153", 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 0.99s [INFO] running `Command { std: "docker" "inspect" "ac77374876971e3aa515456a2fc2682845eb22d2bcc696c822e2cb308a527153", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac77374876971e3aa515456a2fc2682845eb22d2bcc696c822e2cb308a527153", kill_on_drop: false }` [INFO] [stdout] ac77374876971e3aa515456a2fc2682845eb22d2bcc696c822e2cb308a527153 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a202fc7776566063bb03b1435e2e8f0739429dc3a19c67014322650b4081767 [INFO] running `Command { std: "docker" "start" "-a" "4a202fc7776566063bb03b1435e2e8f0739429dc3a19c67014322650b4081767", 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 0.67s [INFO] running `Command { std: "docker" "inspect" "4a202fc7776566063bb03b1435e2e8f0739429dc3a19c67014322650b4081767", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a202fc7776566063bb03b1435e2e8f0739429dc3a19c67014322650b4081767", kill_on_drop: false }` [INFO] [stdout] 4a202fc7776566063bb03b1435e2e8f0739429dc3a19c67014322650b4081767 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 79a5c1988abeea889e5dcd36eae8a88843afeda7f154d1e934612cbff9bf0207 [INFO] running `Command { std: "docker" "start" "-a" "79a5c1988abeea889e5dcd36eae8a88843afeda7f154d1e934612cbff9bf0207", 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 (/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" "79a5c1988abeea889e5dcd36eae8a88843afeda7f154d1e934612cbff9bf0207", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79a5c1988abeea889e5dcd36eae8a88843afeda7f154d1e934612cbff9bf0207", kill_on_drop: false }` [INFO] [stdout] 79a5c1988abeea889e5dcd36eae8a88843afeda7f154d1e934612cbff9bf0207