[INFO] crate mlem-asm 0.1.0 is already in cache
[INFO] extracting crate mlem-asm 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/mlem-asm/0.1.0
[INFO] extracting crate mlem-asm 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mlem-asm/0.1.0
[INFO] validating manifest of mlem-asm-0.1.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mlem-asm-0.1.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mlem-asm-0.1.0
[INFO] finished frobbing mlem-asm-0.1.0
[INFO] frobbed toml for mlem-asm-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/mlem-asm/0.1.0/Cargo.toml
[INFO] started frobbing mlem-asm-0.1.0
[INFO] finished frobbing mlem-asm-0.1.0
[INFO] frobbed toml for mlem-asm-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mlem-asm/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mlem-asm-0.1.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mlem-asm/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6fe60a68b22f19fd72785638d6f084a9a6b4ad1d7a699e14f4ddb8f9631af9e3
[INFO] running `"docker" "start" "-a" "6fe60a68b22f19fd72785638d6f084a9a6b4ad1d7a699e14f4ddb8f9631af9e3"`
[INFO] [stderr]     Checking serde_cbor v0.5.2
[INFO] [stderr]     Checking mlem v0.1.0
[INFO] [stderr]     Checking mlem-asm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:59:51
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn program_to_writer(p: &Program, mut w: &mut Write) -> Result<(), serde_cbor::Error> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `arg3` is assigned to, but never used
[INFO] [stderr]   --> src/parse/mod.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut arg3 = None;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_arg3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `arg3` is never read
[INFO] [stderr]   --> src/parse/mod.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Ok(v) => { arg3 = Some(v); },
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:59:51
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn program_to_writer(p: &Program, mut w: &mut Write) -> Result<(), serde_cbor::Error> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]   --> src/lex.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 state == LexState::Done;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: variable `arg3` is assigned to, but never used
[INFO] [stderr]   --> src/parse/mod.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut arg3 = None;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_arg3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `arg3` is never read
[INFO] [stderr]   --> src/parse/mod.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Ok(v) => { arg3 = Some(v); },
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]   --> src/lex.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 state == LexState::Done;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `"docker" "inspect" "6fe60a68b22f19fd72785638d6f084a9a6b4ad1d7a699e14f4ddb8f9631af9e3"`
[INFO] running `"docker" "rm" "-f" "6fe60a68b22f19fd72785638d6f084a9a6b4ad1d7a699e14f4ddb8f9631af9e3"`
[INFO] [stdout] 6fe60a68b22f19fd72785638d6f084a9a6b4ad1d7a699e14f4ddb8f9631af9e3