[INFO] fetching crate qr2cairo 0.1.0...
[INFO] testing qr2cairo-0.1.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate qr2cairo 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate qr2cairo 0.1.0
[INFO] finished tweaking crates.io crate qr2cairo 0.1.0
[INFO] tweaked toml for crates.io crate qr2cairo 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qr2cairo 0.1.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding target-lexicon v0.13.2 (available: v0.13.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b27fde96d4bb29f96d4b2b39b511bc968578445217b019ac42d67c483c1dd44a
[INFO] running `Command { std: "docker" "start" "-a" "b27fde96d4bb29f96d4b2b39b511bc968578445217b019ac42d67c483c1dd44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b27fde96d4bb29f96d4b2b39b511bc968578445217b019ac42d67c483c1dd44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27fde96d4bb29f96d4b2b39b511bc968578445217b019ac42d67c483c1dd44a", kill_on_drop: false }`
[INFO] [stdout] b27fde96d4bb29f96d4b2b39b511bc968578445217b019ac42d67c483c1dd44a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fd4f0d56a69adc833342a39490dae7eb6b0eae5f069bdcdcb260adb9ea930ae
[INFO] running `Command { std: "docker" "start" "-a" "1fd4f0d56a69adc833342a39490dae7eb6b0eae5f069bdcdcb260adb9ea930ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling qrcode v0.14.1
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling cfg-expr v0.20.3
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling system-deps v7.0.6
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling glib-sys v0.21.2
[INFO] [stderr]    Compiling gobject-sys v0.21.2
[INFO] [stderr]    Compiling gio-sys v0.21.2
[INFO] [stderr]    Compiling cairo-sys-rs v0.21.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling glib-macros v0.21.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling glib v0.21.3
[INFO] [stderr]    Compiling cairo-rs v0.21.2
[INFO] [stderr]    Compiling qr2cairo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         cr.fill();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = cr.fill();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         cr.fill();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let _ = cr.fill();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "1fd4f0d56a69adc833342a39490dae7eb6b0eae5f069bdcdcb260adb9ea930ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd4f0d56a69adc833342a39490dae7eb6b0eae5f069bdcdcb260adb9ea930ae", kill_on_drop: false }`
[INFO] [stdout] 1fd4f0d56a69adc833342a39490dae7eb6b0eae5f069bdcdcb260adb9ea930ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c79de344c0f7b6d15061f55442f3df97b2cb47beddc42666ddfd20fc2e3ead9
[INFO] running `Command { std: "docker" "start" "-a" "8c79de344c0f7b6d15061f55442f3df97b2cb47beddc42666ddfd20fc2e3ead9", kill_on_drop: false }`
[INFO] [stderr]    Compiling qr2cairo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         cr.fill();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = cr.fill();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         cr.fill();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let _ = cr.fill();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         cr.fill();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = cr.fill();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         cr.fill();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let _ = cr.fill();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "8c79de344c0f7b6d15061f55442f3df97b2cb47beddc42666ddfd20fc2e3ead9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c79de344c0f7b6d15061f55442f3df97b2cb47beddc42666ddfd20fc2e3ead9", kill_on_drop: false }`
[INFO] [stdout] 8c79de344c0f7b6d15061f55442f3df97b2cb47beddc42666ddfd20fc2e3ead9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23da08f8a686aa999375cd5e7c13239f3a3abcd8833bd1a704d218993238266f
[INFO] running `Command { std: "docker" "start" "-a" "23da08f8a686aa999375cd5e7c13239f3a3abcd8833bd1a704d218993238266f", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         cr.fill();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let _ = cr.fill();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         cr.fill();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let _ = cr.fill();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `qr2cairo` (lib) generated 2 warnings
[INFO] [stderr] warning: `qr2cairo` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qr2cairo-9ed8e0f24cc725f7)
[INFO] [stderr]    Doc-tests qr2cairo
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 7  | qr2cairo::draw(&cr, 100.0, 100.0, "qr2cairo").unwrap();
[INFO] [stdout]    | -------------- ^^^ expected `&Context`, found `&Result<Context, Error>`
[INFO] [stdout]    | |
[INFO] [stdout]    | arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&cairo::Context`
[INFO] [stdout]               found reference `&Result<cairo::Context, cairo::Error>`
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn draw(cr: &cairo::Context, width: f64, height: f64, text: &str) -> Result<(), QrError> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `show_page` found for enum `Result` in the current scope
[INFO] [stdout]    --> src/lib.rs:17:4
[INFO] [stdout]     |
[INFO] [stdout] 8   | cr.show_page();
[INFO] [stdout]     |    ^^^^^^^^^ method not found in `Result<cairo::Context, cairo::Error>`
[INFO] [stdout]     |
[INFO] [stdout] note: the method `show_page` exists on the type `cairo::Context`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cairo-rs-0.21.2/src/context.rs:555:5
[INFO] [stdout]     |
[INFO] [stdout] 555 |     pub fn show_page(&self) -> Result<(), Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `cairo::Context` value, panicking if the value is a `Result::Err`
[INFO] [stdout]     |
[INFO] [stdout] 8   | cr.expect("REASON").show_page();
[INFO] [stdout]     |   +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "23da08f8a686aa999375cd5e7c13239f3a3abcd8833bd1a704d218993238266f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23da08f8a686aa999375cd5e7c13239f3a3abcd8833bd1a704d218993238266f", kill_on_drop: false }`
[INFO] [stdout] 23da08f8a686aa999375cd5e7c13239f3a3abcd8833bd1a704d218993238266f
