[INFO] fetching crate fmedia 0.2.0...
[INFO] testing fmedia-0.2.0 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate fmedia 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fmedia 0.2.0
[INFO] finished tweaking crates.io crate fmedia 0.2.0
[INFO] tweaked toml for crates.io crate fmedia 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fmedia 0.2.0 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fmedia 0.2.0 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7db40f893cc08e6aaceaee4aaa7a561491e33d3d74daf81a438a8aad3e0bff3
[INFO] running `Command { std: "docker" "start" "-a" "a7db40f893cc08e6aaceaee4aaa7a561491e33d3d74daf81a438a8aad3e0bff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7db40f893cc08e6aaceaee4aaa7a561491e33d3d74daf81a438a8aad3e0bff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7db40f893cc08e6aaceaee4aaa7a561491e33d3d74daf81a438a8aad3e0bff3", kill_on_drop: false }`
[INFO] [stdout] a7db40f893cc08e6aaceaee4aaa7a561491e33d3d74daf81a438a8aad3e0bff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc7a4d315c685b557f9713696624b9b17597908bc2477240530899038247adb
[INFO] running `Command { std: "docker" "start" "-a" "8bc7a4d315c685b557f9713696624b9b17597908bc2477240530899038247adb", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmedia v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `call_once`
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Self::ONCE_INIT.call_once(|| found = true);
[INFO] [stdout]    |                 ---------------^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `ONCE_INIT` is a interior mutable `const` item of type `std::sync::Once`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const ONCE_INIT` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "8bc7a4d315c685b557f9713696624b9b17597908bc2477240530899038247adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc7a4d315c685b557f9713696624b9b17597908bc2477240530899038247adb", kill_on_drop: false }`
[INFO] [stdout] 8bc7a4d315c685b557f9713696624b9b17597908bc2477240530899038247adb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd333db212319f4cee7fc726e55148a7e87fe6134b5bcd7f8369dd4d641f1ec7
[INFO] running `Command { std: "docker" "start" "-a" "bd333db212319f4cee7fc726e55148a7e87fe6134b5bcd7f8369dd4d641f1ec7", kill_on_drop: false }`
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `call_once`
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Self::ONCE_INIT.call_once(|| found = true);
[INFO] [stdout]    |                 ---------------^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `ONCE_INIT` is a interior mutable `const` item of type `std::sync::Once`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const ONCE_INIT` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fmedia v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `call_once`
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Self::ONCE_INIT.call_once(|| found = true);
[INFO] [stdout]    |                 ---------------^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `ONCE_INIT` is a interior mutable `const` item of type `std::sync::Once`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const ONCE_INIT` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "bd333db212319f4cee7fc726e55148a7e87fe6134b5bcd7f8369dd4d641f1ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd333db212319f4cee7fc726e55148a7e87fe6134b5bcd7f8369dd4d641f1ec7", kill_on_drop: false }`
[INFO] [stdout] bd333db212319f4cee7fc726e55148a7e87fe6134b5bcd7f8369dd4d641f1ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c908ebd8325568f8ff3f070175536857883750596a04a9b8f5c85cc5801c1df6
[INFO] running `Command { std: "docker" "start" "-a" "c908ebd8325568f8ff3f070175536857883750596a04a9b8f5c85cc5801c1df6", kill_on_drop: false }`
[INFO] [stderr] warning: mutation of an interior mutable `const` item with call to `call_once`
[INFO] [stderr]   --> src/lib.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 Self::ONCE_INIT.call_once(|| found = true);
[INFO] [stderr]    |                 ---------------^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 `ONCE_INIT` is a interior mutable `const` item of type `std::sync::Once`
[INFO] [stderr]    |
[INFO] [stderr]    = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]    = note: only the temporaries and never the original `const ONCE_INIT` will be modified
[INFO] [stderr]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stderr]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fmedia` (lib) generated 1 warning
[INFO] [stderr] warning: `fmedia` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmedia-908bb775ef1449ed)
[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 fmedia
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - MediaType::from_file_extension (line 14) ... FAILED
[INFO] [stdout] test src/lib.rs - FileExtension::from_media_type (line 49) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - MediaType::from_file_extension (line 14) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MediaType`
[INFO] [stdout]   --> src/lib.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | assert_eq!("image/png", MediaType::from_file_extension("png").unwrap());
[INFO] [stdout]    |                         ^^^^^^^^^ use of undeclared type `MediaType`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 14 + use fmedia::MediaType;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MediaType`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     MediaType::from_file_extension("jpeg").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared type `MediaType`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 14 + use fmedia::MediaType;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MediaType`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     MediaType::from_file_extension("svg").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared type `MediaType`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 14 + use fmedia::MediaType;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MediaType`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     MediaType::from_file_extension("json").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared type `MediaType`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 14 + use fmedia::MediaType;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - FileExtension::from_media_type (line 49) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FileExtension`
[INFO] [stdout]   --> src/lib.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     FileExtension::from_media_type("image/png").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^^^^^ use of undeclared type `FileExtension`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 49 + use fmedia::FileExtension;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FileExtension`
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     FileExtension::from_media_type("image/jpeg").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^^^^^ use of undeclared type `FileExtension`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 49 + use fmedia::FileExtension;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FileExtension`
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     FileExtension::from_media_type("image/svg+xml").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^^^^^ use of undeclared type `FileExtension`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 49 + use fmedia::FileExtension;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FileExtension`
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     FileExtension::from_media_type("application/json").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^^^^^ use of undeclared type `FileExtension`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 49 + use fmedia::FileExtension;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - FileExtension::from_media_type (line 49)
[INFO] [stdout]     src/lib.rs - MediaType::from_file_extension (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c908ebd8325568f8ff3f070175536857883750596a04a9b8f5c85cc5801c1df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c908ebd8325568f8ff3f070175536857883750596a04a9b8f5c85cc5801c1df6", kill_on_drop: false }`
[INFO] [stdout] c908ebd8325568f8ff3f070175536857883750596a04a9b8f5c85cc5801c1df6
