[INFO] fetching crate flashcards 0.1.1... [INFO] testing flashcards-0.1.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate flashcards 0.1.1 into /workspace/builds/worker-111/source [INFO] validating manifest of crates.io crate flashcards 0.1.1 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 crates.io crate flashcards 0.1.1 [INFO] finished tweaking crates.io crate flashcards 0.1.1 [INFO] tweaked toml for crates.io crate flashcards 0.1.1 written to /workspace/builds/worker-111/source/Cargo.toml [INFO] crate crates.io crate flashcards 0.1.1 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-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] a9e3a266294b12d7c4b9845efb32807a0f84694969aae31132ecdd34656924ed [INFO] running `Command { std: "docker" "start" "-a" "a9e3a266294b12d7c4b9845efb32807a0f84694969aae31132ecdd34656924ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9e3a266294b12d7c4b9845efb32807a0f84694969aae31132ecdd34656924ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9e3a266294b12d7c4b9845efb32807a0f84694969aae31132ecdd34656924ed", kill_on_drop: false }` [INFO] [stdout] a9e3a266294b12d7c4b9845efb32807a0f84694969aae31132ecdd34656924ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] ff04a3085b1571b0e14c47ad8fea35328719bafc07988a09cc865e3c27b93101 [INFO] running `Command { std: "docker" "start" "-a" "ff04a3085b1571b0e14c47ad8fea35328719bafc07988a09cc865e3c27b93101", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling flate2 v1.0.22 [INFO] [stderr] Compiling tar v0.4.38 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling flashcards v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `close_fds` [INFO] [stdout] --> src/lib.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | fn close_fds(&self) { [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: `id` [INFO] [stdout] --> src/lib.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | fn id(&self) -> &str { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> src/lib.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 134 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 163 | fn new(path: impl AsRef, rc: u32) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open` [INFO] [stdout] --> src/lib.rs:180:5 [INFO] [stdout] | [INFO] [stdout] 180 | fn open(&mut self, storage_path: impl AsRef) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close` [INFO] [stdout] --> src/lib.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 195 | fn close(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_opened` [INFO] [stdout] --> src/lib.rs:223:5 [INFO] [stdout] | [INFO] [stdout] 223 | fn is_opened(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.35s [INFO] running `Command { std: "docker" "inspect" "ff04a3085b1571b0e14c47ad8fea35328719bafc07988a09cc865e3c27b93101", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff04a3085b1571b0e14c47ad8fea35328719bafc07988a09cc865e3c27b93101", kill_on_drop: false }` [INFO] [stdout] ff04a3085b1571b0e14c47ad8fea35328719bafc07988a09cc865e3c27b93101 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] e08668e76ee6c4f503f31d134231a77920bdd82c2127694e7fe7c146e9cfa0fc [INFO] running `Command { std: "docker" "start" "-a" "e08668e76ee6c4f503f31d134231a77920bdd82c2127694e7fe7c146e9cfa0fc", kill_on_drop: false }` [INFO] [stderr] Compiling flashcards v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `close_fds` [INFO] [stdout] --> src/lib.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | fn close_fds(&self) { [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: `id` [INFO] [stdout] --> src/lib.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | fn id(&self) -> &str { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> src/lib.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 134 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 163 | fn new(path: impl AsRef, rc: u32) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open` [INFO] [stdout] --> src/lib.rs:180:5 [INFO] [stdout] | [INFO] [stdout] 180 | fn open(&mut self, storage_path: impl AsRef) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close` [INFO] [stdout] --> src/lib.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 195 | fn close(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_opened` [INFO] [stdout] --> src/lib.rs:223:5 [INFO] [stdout] | [INFO] [stdout] 223 | fn is_opened(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close_fds` [INFO] [stdout] --> src/lib.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | fn close_fds(&self) { [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: `id` [INFO] [stdout] --> src/lib.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | fn id(&self) -> &str { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> src/lib.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 134 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 163 | fn new(path: impl AsRef, rc: u32) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open` [INFO] [stdout] --> src/lib.rs:180:5 [INFO] [stdout] | [INFO] [stdout] 180 | fn open(&mut self, storage_path: impl AsRef) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close` [INFO] [stdout] --> src/lib.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 195 | fn close(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_opened` [INFO] [stdout] --> src/lib.rs:223:5 [INFO] [stdout] | [INFO] [stdout] 223 | fn is_opened(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/flashcards-5bd61299349eb4e4) [INFO] [stderr] Executable unittests src/bin/flashcards.rs (/opt/rustwide/target/debug/deps/flashcards-d04cb50c50a877f4) [INFO] running `Command { std: "docker" "inspect" "e08668e76ee6c4f503f31d134231a77920bdd82c2127694e7fe7c146e9cfa0fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e08668e76ee6c4f503f31d134231a77920bdd82c2127694e7fe7c146e9cfa0fc", kill_on_drop: false }` [INFO] [stdout] e08668e76ee6c4f503f31d134231a77920bdd82c2127694e7fe7c146e9cfa0fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] c79b5188b6ec7b07cb6f77d259e5dfd9c22dbcc70568e57d6698315e596f4a11 [INFO] running `Command { std: "docker" "start" "-a" "c79b5188b6ec7b07cb6f77d259e5dfd9c22dbcc70568e57d6698315e596f4a11", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: associated function is never used: `close_fds` [INFO] [stderr] --> src/lib.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 124 | fn close_fds(&self) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `id` [INFO] [stderr] --> src/lib.rs:130:5 [INFO] [stderr] | [INFO] [stderr] 130 | fn id(&self) -> &str { [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `name` [INFO] [stderr] --> src/lib.rs:134:5 [INFO] [stderr] | [INFO] [stderr] 134 | fn name(&self) -> &str { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/lib.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | fn new(path: impl AsRef, rc: u32) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `open` [INFO] [stderr] --> src/lib.rs:180:5 [INFO] [stderr] | [INFO] [stderr] 180 | fn open(&mut self, storage_path: impl AsRef) -> Result<()> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `close` [INFO] [stderr] --> src/lib.rs:195:5 [INFO] [stderr] | [INFO] [stderr] 195 | fn close(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_opened` [INFO] [stderr] --> src/lib.rs:223:5 [INFO] [stderr] | [INFO] [stderr] 223 | fn is_opened(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `flashcards` (lib) generated 7 warnings [INFO] [stderr] warning: `flashcards` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flashcards-5bd61299349eb4e4) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/flashcards.rs (/opt/rustwide/target/debug/deps/flashcards-d04cb50c50a877f4) [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] [stderr] Doc-tests flashcards [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" "c79b5188b6ec7b07cb6f77d259e5dfd9c22dbcc70568e57d6698315e596f4a11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c79b5188b6ec7b07cb6f77d259e5dfd9c22dbcc70568e57d6698315e596f4a11", kill_on_drop: false }` [INFO] [stdout] c79b5188b6ec7b07cb6f77d259e5dfd9c22dbcc70568e57d6698315e596f4a11