[INFO] fetching crate binrw 0.15.0...
[INFO] checking binrw-0.15.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate binrw 0.15.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate binrw 0.15.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate binrw 0.15.0
[INFO] tweaked toml for crates.io crate binrw 0.15.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate binrw 0.15.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate binrw 0.15.0 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.104
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded modular-bitfield v0.12.0
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.12.0
[INFO] [stderr]   Downloaded binrw_derive v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b588d88650c773c0a0c4e1dbff88d5fd21d4e9f0144719ca416a49b47716214e
[INFO] running `Command { std: "docker" "start" "-a" "b588d88650c773c0a0c4e1dbff88d5fd21d4e9f0144719ca416a49b47716214e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b588d88650c773c0a0c4e1dbff88d5fd21d4e9f0144719ca416a49b47716214e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b588d88650c773c0a0c4e1dbff88d5fd21d4e9f0144719ca416a49b47716214e", kill_on_drop: false }`
[INFO] [stdout] b588d88650c773c0a0c4e1dbff88d5fd21d4e9f0144719ca416a49b47716214e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b51ffbfe9616178935808ce019fcab91be5137252f09c20618c6d58bad4b5b
[INFO] running `Command { std: "docker" "start" "-a" "b2b51ffbfe9616178935808ce019fcab91be5137252f09c20618c6d58bad4b5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]    Compiling owo-colors v4.2.0
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking toml_write v0.1.1
[INFO] [stderr]    Compiling binrw_derive v0.15.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking winnow v0.7.9
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling binrw v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking toml_datetime v0.6.9
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.26
[INFO] [stderr]     Checking toml v0.8.22
[INFO] [stderr]    Compiling modular-bitfield-impl v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking modular-bitfield v0.12.0
[INFO] [stderr]     Checking trybuild v1.0.104
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> src/binread/impls.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub count: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> src/binread/impls.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub count: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]    --> src/file_ptr.rs:606:9
[INFO] [stdout]     |
[INFO] [stdout] 606 |     pub offset: u64,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]    --> src/file_ptr.rs:606:9
[INFO] [stdout]     |
[INFO] [stdout] 606 |     pub offset: u64,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `blah` is never read
[INFO] [stdout]  --> tests/named_args.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     blah: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `not_clone` is never read
[INFO] [stdout]   --> tests/named_args.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     not_clone: NotClone,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `default_val` is never read
[INFO] [stdout]   --> tests/named_args.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     default_val: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `borrow` is never read
[INFO] [stdout]   --> tests/named_args.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     borrow: &'a T,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `array` is never read
[INFO] [stdout]   --> tests/named_args.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     array: [u8; N],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Test` is never constructed
[INFO] [stdout]    --> tests/error.rs:300:16
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub struct Test {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `extra_val` is never read
[INFO] [stdout]   --> tests/derive/struct.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[br(import { extra_val: u8 })]
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `borrowed` is never read
[INFO] [stdout]    --> tests/derive/struct.rs:429:27
[INFO] [stdout]     |
[INFO] [stdout] 429 |     #[br(little, import { borrowed: &u8 })]
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `try_read` is never read
[INFO] [stdout]    --> tests/derive/struct.rs:459:18
[INFO] [stdout]     |
[INFO] [stdout] 459 |     #[br(import{ try_read: bool })]
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> tests/derive/struct.rs:625:19
[INFO] [stdout]     |
[INFO] [stdout] 625 |     #[br(import { count: usize, })]
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `in_a` is never read
[INFO] [stdout]    --> tests/derive/struct.rs:674:19
[INFO] [stdout]     |
[INFO] [stdout] 674 |     #[br(import { in_a: u8 })]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]    --> tests/derive/struct.rs:733:19
[INFO] [stdout]     |
[INFO] [stdout] 733 |     #[br(import { y: u16, x: u8 })]
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> tests/derive/struct.rs:733:27
[INFO] [stdout]     |
[INFO] [stdout] 733 |     #[br(import { y: u16, x: u8 })]
[INFO] [stdout]     |                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `allow_zero` is never read
[INFO] [stdout]   --> tests/derive/unit_enum.rs:88:24
[INFO] [stdout]    |
[INFO] [stdout] 88 |     #[br(big, import { allow_zero: bool, forbid_zero: bool })]
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `forbid_zero` is never read
[INFO] [stdout]   --> tests/derive/unit_enum.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |     #[br(big, import { allow_zero: bool, forbid_zero: bool })]
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `succeed` is never read
[INFO] [stdout]   --> tests/derive/unit_struct.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[br(import { succeed: bool }, pre_assert(succeed))]
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]  --> tests/derive/write/args.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[bw(import{ x: u32, y: u8 })]
[INFO] [stdout]   |                  ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]  --> tests/derive/write/args.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[bw(import{ x: u32, y: u8 })]
[INFO] [stdout]   |                          ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]  --> tests/derive/write/binread_temp.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[bw(import { x: u32})]
[INFO] [stdout]   |                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `borrowed` is never read
[INFO] [stdout]   --> tests/derive/write/import.rs:34:27
[INFO] [stdout]    |
[INFO] [stdout] 34 |     #[bw(little, import { borrowed: &u8 })]
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> tests/derive/write/import.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[bw(import { x: u32 })]
[INFO] [stdout]    |                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> tests/derive/write/import.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |     #[bw(import { x: u32, _y: u8 })]
[INFO] [stdout]    |                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "b2b51ffbfe9616178935808ce019fcab91be5137252f09c20618c6d58bad4b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b51ffbfe9616178935808ce019fcab91be5137252f09c20618c6d58bad4b5b", kill_on_drop: false }`
[INFO] [stdout] b2b51ffbfe9616178935808ce019fcab91be5137252f09c20618c6d58bad4b5b