[INFO] fetching crate flashcards 0.1.1... [INFO] testing flashcards-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate flashcards 0.1.1 into /workspace/builds/worker-5-tc2/source [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-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flashcards 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate flashcards 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 950b360787965f2590323729538f0d34e4f2a2c0768823c160466ee909892df1 [INFO] running `Command { std: "docker" "start" "-a" "950b360787965f2590323729538f0d34e4f2a2c0768823c160466ee909892df1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "950b360787965f2590323729538f0d34e4f2a2c0768823c160466ee909892df1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "950b360787965f2590323729538f0d34e4f2a2c0768823c160466ee909892df1", kill_on_drop: false }` [INFO] [stdout] 950b360787965f2590323729538f0d34e4f2a2c0768823c160466ee909892df1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4915f631fe09462869db03bdfcfe7bb41a55ca5611c0703be4352a79709271f2 [INFO] running `Command { std: "docker" "start" "-a" "4915f631fe09462869db03bdfcfe7bb41a55ca5611c0703be4352a79709271f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling serde v1.0.136 [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 filetime v0.2.15 [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling flate2 v1.0.22 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling tar v0.4.38 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling flashcards v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `close_fds`, `id`, and `name` are never used [INFO] [stdout] --> src/lib.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 22 | impl Deck { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 124 | fn close_fds(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn id(&self) -> &str { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 134 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `open`, `close`, and `is_opened` are never used [INFO] [stdout] --> src/lib.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 159 | impl FileDesc { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 163 | fn new(path: impl AsRef, rc: u32) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn open(&mut self, storage_path: impl AsRef) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 195 | fn close(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 223 | fn is_opened(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.56s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "4915f631fe09462869db03bdfcfe7bb41a55ca5611c0703be4352a79709271f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4915f631fe09462869db03bdfcfe7bb41a55ca5611c0703be4352a79709271f2", kill_on_drop: false }` [INFO] [stdout] 4915f631fe09462869db03bdfcfe7bb41a55ca5611c0703be4352a79709271f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15bea103e6a54f3fc1c5114b22b1d14274e10e83e6efcf6528ef8ee185146b0e [INFO] running `Command { std: "docker" "start" "-a" "15bea103e6a54f3fc1c5114b22b1d14274e10e83e6efcf6528ef8ee185146b0e", kill_on_drop: false }` [INFO] [stderr] Compiling flashcards v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `close_fds`, `id`, and `name` are never used [INFO] [stdout] --> src/lib.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 22 | impl Deck { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 124 | fn close_fds(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn id(&self) -> &str { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 134 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `open`, `close`, and `is_opened` are never used [INFO] [stdout] --> src/lib.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 159 | impl FileDesc { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 163 | fn new(path: impl AsRef, rc: u32) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn open(&mut self, storage_path: impl AsRef) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 195 | fn close(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 223 | fn is_opened(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `close_fds`, `id`, and `name` are never used [INFO] [stdout] --> src/lib.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 22 | impl Deck { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 124 | fn close_fds(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn id(&self) -> &str { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 134 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `open`, `close`, and `is_opened` are never used [INFO] [stdout] --> src/lib.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 159 | impl FileDesc { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 163 | fn new(path: impl AsRef, rc: u32) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn open(&mut self, storage_path: impl AsRef) -> Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 195 | fn close(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 223 | fn is_opened(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "15bea103e6a54f3fc1c5114b22b1d14274e10e83e6efcf6528ef8ee185146b0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15bea103e6a54f3fc1c5114b22b1d14274e10e83e6efcf6528ef8ee185146b0e", kill_on_drop: false }` [INFO] [stdout] 15bea103e6a54f3fc1c5114b22b1d14274e10e83e6efcf6528ef8ee185146b0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] db2cad331286372e73ac8ec4a705e6a2a37b6e0be0387e8f40b17ce11ca71b81 [INFO] running `Command { std: "docker" "start" "-a" "db2cad331286372e73ac8ec4a705e6a2a37b6e0be0387e8f40b17ce11ca71b81", kill_on_drop: false }` [INFO] [stderr] warning: methods `close_fds`, `id`, and `name` are never used [INFO] [stderr] --> src/lib.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 22 | impl Deck { [INFO] [stderr] | --------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 124 | fn close_fds(&self) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 130 | fn id(&self) -> &str { [INFO] [stderr] | ^^ [INFO] [stderr] ... [INFO] [stderr] 134 | fn name(&self) -> &str { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `open`, `close`, and `is_opened` are never used [INFO] [stderr] --> src/lib.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 159 | impl FileDesc { [INFO] [stderr] | ------------- associated items in this implementation [INFO] [stderr] ... [INFO] [stderr] 163 | fn new(path: impl AsRef, rc: u32) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 180 | fn open(&mut self, storage_path: impl AsRef) -> Result<()> { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 195 | fn close(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 223 | fn is_opened(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `flashcards` (lib) generated 2 warnings [INFO] [stderr] warning: `flashcards` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flashcards-dda55d5be71d5aca) [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] Running unittests src/bin/flashcards.rs (/opt/rustwide/target/debug/deps/flashcards-4633aa42cf460c42) [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] [stderr] Doc-tests flashcards [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" "db2cad331286372e73ac8ec4a705e6a2a37b6e0be0387e8f40b17ce11ca71b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db2cad331286372e73ac8ec4a705e6a2a37b6e0be0387e8f40b17ce11ca71b81", kill_on_drop: false }` [INFO] [stdout] db2cad331286372e73ac8ec4a705e6a2a37b6e0be0387e8f40b17ce11ca71b81