[INFO] fetching crate mp4parse 0.17.0... [INFO] checking mp4parse-0.17.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate mp4parse 0.17.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate mp4parse 0.17.0 [INFO] finished tweaking crates.io crate mp4parse 0.17.0 [INFO] tweaked toml for crates.io crate mp4parse 0.17.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mp4parse 0.17.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 78 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.4.0 (available: v0.7.0) [INFO] [stderr] Adding fallible_collections v0.4.9 (available: v0.5.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57a6b7dce3af7b7801d7c69081877a9a6cba7373e4b5c49da07f0b9a384eb78e [INFO] running `Command { std: "docker" "start" "-a" "57a6b7dce3af7b7801d7c69081877a9a6cba7373e4b5c49da07f0b9a384eb78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57a6b7dce3af7b7801d7c69081877a9a6cba7373e4b5c49da07f0b9a384eb78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57a6b7dce3af7b7801d7c69081877a9a6cba7373e4b5c49da07f0b9a384eb78e", kill_on_drop: false }` [INFO] [stdout] 57a6b7dce3af7b7801d7c69081877a9a6cba7373e4b5c49da07f0b9a384eb78e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 893b2a00c142714aaccd72dd8aec3cd8655efeed77b692a2a3aa558bcb0e76eb [INFO] running `Command { std: "docker" "start" "-a" "893b2a00c142714aaccd72dd8aec3cd8655efeed77b692a2a3aa558bcb0e76eb", kill_on_drop: false }` [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking textwrap v0.16.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking bitreader v0.3.11 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking test-assembler v0.1.6 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Compiling zerocopy-derive v0.8.27 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking half v2.7.1 [INFO] [stderr] Checking ahash v0.8.12 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking fallible_collections v0.4.9 [INFO] [stderr] Checking mp4parse v0.17.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | self.try_into().expect(concat!( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | impl_to_usize_from!(u8); [INFO] [stdout] | ----------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `impl_to_usize_from` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | self.try_into().expect(concat!( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | impl_to_usize_from!(u16); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_to_usize_from` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:2269:17 [INFO] [stdout] | [INFO] [stdout] 2269 | fn new(src: &mut T) -> BoxIter { [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 2269 | fn new(src: &mut T) -> BoxIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:2273:17 [INFO] [stdout] | [INFO] [stdout] 2273 | fn next_box(&mut self) -> Result>> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 2273 | fn next_box(&mut self) -> Result>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:2313:38 [INFO] [stdout] | [INFO] [stdout] 2313 | fn box_iter<'b>(&'b mut self) -> BoxIter> { [INFO] [stdout] | -- ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 2313 | fn box_iter<'b>(&'b mut self) -> BoxIter<'b, BMFFBox<'a, T>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mp4parse` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "893b2a00c142714aaccd72dd8aec3cd8655efeed77b692a2a3aa558bcb0e76eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "893b2a00c142714aaccd72dd8aec3cd8655efeed77b692a2a3aa558bcb0e76eb", kill_on_drop: false }` [INFO] [stdout] 893b2a00c142714aaccd72dd8aec3cd8655efeed77b692a2a3aa558bcb0e76eb