[INFO] cloning repository https://github.com/lowr/my-gzip [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lowr/my-gzip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowr%2Fmy-gzip", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowr%2Fmy-gzip'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50c6be38f5c69df1e5d5d53b7f0c9b3b93dd5f8e [INFO] testing lowr/my-gzip 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%2Flowr%2Fmy-gzip" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lowr/my-gzip 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/lowr/my-gzip [INFO] finished tweaking git repo https://github.com/lowr/my-gzip [INFO] tweaked toml for git repo https://github.com/lowr/my-gzip written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/lowr/my-gzip 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 5dac806a0f48323485d60e7312798db17c88996cbca955c7053ce38d5a01710a [INFO] running `Command { std: "docker" "start" "-a" "5dac806a0f48323485d60e7312798db17c88996cbca955c7053ce38d5a01710a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dac806a0f48323485d60e7312798db17c88996cbca955c7053ce38d5a01710a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dac806a0f48323485d60e7312798db17c88996cbca955c7053ce38d5a01710a", kill_on_drop: false }` [INFO] [stdout] 5dac806a0f48323485d60e7312798db17c88996cbca955c7053ce38d5a01710a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 8d568571b09160c6c4ca929abc6f6e1344c543065c52a2e612b391e568d4bb39 [INFO] running `Command { std: "docker" "start" "-a" "8d568571b09160c6c4ca929abc6f6e1344c543065c52a2e612b391e568d4bb39", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Compiling clap v3.0.0-beta.2 [INFO] [stderr] Compiling my-gzip v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/tree.rs:98:19 [INFO] [stdout] | [INFO] [stdout] 98 | pub(crate) fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/tree.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 169 | pub(crate) fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | prev.insert(b); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | prev.insert(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.78s [INFO] running `Command { std: "docker" "inspect" "8d568571b09160c6c4ca929abc6f6e1344c543065c52a2e612b391e568d4bb39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d568571b09160c6c4ca929abc6f6e1344c543065c52a2e612b391e568d4bb39", kill_on_drop: false }` [INFO] [stdout] 8d568571b09160c6c4ca929abc6f6e1344c543065c52a2e612b391e568d4bb39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8135b8bec242e05d8fe119a8e5f426c51298a4f76ce44990e25cc0e5c1f62633 [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" "8135b8bec242e05d8fe119a8e5f426c51298a4f76ce44990e25cc0e5c1f62633", kill_on_drop: false }` [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/tree.rs:98:19 [INFO] [stdout] | [INFO] [stdout] 98 | pub(crate) fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/tree.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 169 | pub(crate) fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | prev.insert(b); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | prev.insert(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling my-gzip v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/tree.rs:98:19 [INFO] [stdout] | [INFO] [stdout] 98 | pub(crate) fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/tree.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 169 | pub(crate) fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | prev.insert(b); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | prev.insert(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.61s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/my_gzip-685209692adf7c09) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/my_gzip-3f64f93ffda8746a) [INFO] running `Command { std: "docker" "inspect" "8135b8bec242e05d8fe119a8e5f426c51298a4f76ce44990e25cc0e5c1f62633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8135b8bec242e05d8fe119a8e5f426c51298a4f76ce44990e25cc0e5c1f62633", kill_on_drop: false }` [INFO] [stdout] 8135b8bec242e05d8fe119a8e5f426c51298a4f76ce44990e25cc0e5c1f62633 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] dd9af87c8ac67dfd454f9ce44110efd70ccc12e6de86f05ebf2c79553dddf664 [INFO] running `Command { std: "docker" "start" "-a" "dd9af87c8ac67dfd454f9ce44110efd70ccc12e6de86f05ebf2c79553dddf664", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `size` [INFO] [stdout] [INFO] [stderr] --> src/tree.rs:98:19 [INFO] [stdout] running 17 tests [INFO] [stderr] | [INFO] [stdout] test ring_buffer::tests::copy_from_returns_error_when_reader_cannot_read_length_bytes ... ok [INFO] [stderr] 98 | pub(crate) fn size(&self) -> usize { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `size` [INFO] [stderr] --> src/tree.rs:169:19 [INFO] [stderr] | [INFO] [stderr] 169 | pub(crate) fn size(&self) -> usize { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Option::::insert` that must be used [INFO] [stderr] --> src/decompress/huffman.rs:109:17 [INFO] [stderr] | [INFO] [stderr] 109 | prev.insert(b); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to set a value, consider assignment instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Option::::insert` that must be used [INFO] [stderr] --> src/decompress/huffman.rs:146:17 [INFO] [stderr] | [INFO] [stderr] 146 | prev.insert(0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to set a value, consider assignment instead [INFO] [stderr] [INFO] [stderr] warning: `my-gzip` (lib) generated 4 warnings [INFO] [stderr] warning: `my-gzip` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/my_gzip-685209692adf7c09) [INFO] [stdout] test ring_buffer::tests::copy_from_works_when_wrapped ... ok [INFO] [stdout] test ring_buffer::tests::copy_within_works_when_buffer_is_not_fully_filled ... ok [INFO] [stdout] test ring_buffer::tests::copy_within_works_when_distance_equals_to_capacity ... ok [INFO] [stdout] test ring_buffer::tests::exact_capacity ... ok [INFO] [stdout] test ring_buffer::tests::push_does_not_expand_capacity ... ok [INFO] [stdout] test ring_buffer::tests::push_overwrites_when_wrapped ... ok [INFO] [stdout] test tree::tests::child_node_of_a_leaf_node_cannot_be_added ... ok [INFO] [stdout] test tree::tests::cursor_fails_for_non_existent_key ... ok [INFO] [stdout] test tree::tests::cursor_succeeds_for_existent_key ... ok [INFO] [stdout] test tree::tests::node_that_already_exists_cannot_be_added ... ok [INFO] [stdout] test tree::tests::different_keys_can_be_added ... ok [INFO] [stdout] test ring_buffer::tests::copy_from_works_when_buffer_is_not_fully_filled ... ok [INFO] [stdout] test tree::tests::descendant_node_of_a_leaf_node_cannot_be_added ... ok [INFO] [stdout] test ring_buffer::tests::copy_within_works_when_src_and_dest_do_not_overlap ... ok [INFO] [stdout] test tree::tests::same_key_cannot_be_added ... ok [INFO] [stdout] test ring_buffer::tests::copy_within_works_when_src_and_dest_overlap ... ok [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/my_gzip-3f64f93ffda8746a) [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests my-gzip [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] [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" "dd9af87c8ac67dfd454f9ce44110efd70ccc12e6de86f05ebf2c79553dddf664", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd9af87c8ac67dfd454f9ce44110efd70ccc12e6de86f05ebf2c79553dddf664", kill_on_drop: false }` [INFO] [stdout] dd9af87c8ac67dfd454f9ce44110efd70ccc12e6de86f05ebf2c79553dddf664