[INFO] cloning repository https://github.com/pietrocarbo/rust_first_steps [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pietrocarbo/rust_first_steps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietrocarbo%2Frust_first_steps", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietrocarbo%2Frust_first_steps'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab44a82cc79245986e93b857b57d532f63df8a11 [INFO] testing pietrocarbo/rust_first_steps against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpietrocarbo%2Frust_first_steps" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pietrocarbo/rust_first_steps 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/pietrocarbo/rust_first_steps [INFO] finished tweaking git repo https://github.com/pietrocarbo/rust_first_steps [INFO] tweaked toml for git repo https://github.com/pietrocarbo/rust_first_steps written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/pietrocarbo/rust_first_steps 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] fdf674533be5b533e8b24747401e9401b4e9d4882a0a0ce48d6b993e200d20a7 [INFO] running `Command { std: "docker" "start" "-a" "fdf674533be5b533e8b24747401e9401b4e9d4882a0a0ce48d6b993e200d20a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdf674533be5b533e8b24747401e9401b4e9d4882a0a0ce48d6b993e200d20a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdf674533be5b533e8b24747401e9401b4e9d4882a0a0ce48d6b993e200d20a7", kill_on_drop: false }` [INFO] [stdout] fdf674533be5b533e8b24747401e9401b4e9d4882a0a0ce48d6b993e200d20a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e2412ef88966976adfa9b3315465900fa7101a544ebc608458422557462d52d [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" "9e2412ef88966976adfa9b3315465900fa7101a544ebc608458422557462d52d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling presentation v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `file_parse_verbose` [INFO] [stdout] --> src/bin/3_error_IO.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn file_parse_verbose>(file_path: P) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `3_error_IO` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `3_error_io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.31s [INFO] running `Command { std: "docker" "inspect" "9e2412ef88966976adfa9b3315465900fa7101a544ebc608458422557462d52d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e2412ef88966976adfa9b3315465900fa7101a544ebc608458422557462d52d", kill_on_drop: false }` [INFO] [stdout] 9e2412ef88966976adfa9b3315465900fa7101a544ebc608458422557462d52d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15d2e82185074e9ace8951a99db673e29d5524c442a24d832c03c41602aca38d [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" "15d2e82185074e9ace8951a99db673e29d5524c442a24d832c03c41602aca38d", kill_on_drop: false }` [INFO] [stderr] Compiling presentation v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `file_parse_verbose` [INFO] [stdout] --> src/bin/3_error_IO.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn file_parse_verbose>(file_path: P) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `3_error_IO` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `3_error_io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `Command { std: "docker" "inspect" "15d2e82185074e9ace8951a99db673e29d5524c442a24d832c03c41602aca38d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15d2e82185074e9ace8951a99db673e29d5524c442a24d832c03c41602aca38d", kill_on_drop: false }` [INFO] [stdout] 15d2e82185074e9ace8951a99db673e29d5524c442a24d832c03c41602aca38d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] 7da3d777f5501c0f174c7b43aac55c7337f9595eae35746441c1308072a29fce [INFO] running `Command { std: "docker" "start" "-a" "7da3d777f5501c0f174c7b43aac55c7337f9595eae35746441c1308072a29fce", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `file_parse_verbose` [INFO] [stderr] --> src/bin/3_error_IO.rs:12:4 [INFO] [stderr] | [INFO] [stderr] 12 | fn file_parse_verbose>(file_path: P) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `3_error_IO` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `3_error_io` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/1_linked_list-bac892a26e33be9f [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/2_generics-c7e39b3c18c25d97 [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] [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] [stderr] Running /opt/rustwide/target/debug/deps/3_error_IO-1ea0971363f9c7d3 [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] [stderr] Running /opt/rustwide/target/debug/deps/4_traits-a227d489ddb54678 [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] [stderr] Running /opt/rustwide/target/debug/deps/5_closures_cacher-d34ae5600cf13d2a [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" "7da3d777f5501c0f174c7b43aac55c7337f9595eae35746441c1308072a29fce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7da3d777f5501c0f174c7b43aac55c7337f9595eae35746441c1308072a29fce", kill_on_drop: false }` [INFO] [stdout] 7da3d777f5501c0f174c7b43aac55c7337f9595eae35746441c1308072a29fce