[INFO] fetching crate vpin 0.7.0...
[INFO] checking vpin-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate vpin 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate vpin 0.7.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vpin 0.7.0
[INFO] finished tweaking crates.io crate vpin 0.7.0
[INFO] tweaked toml for crates.io crate vpin 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 105 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cargo_metadata v0.14.2 (latest: v0.18.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding sysinfo v0.26.9 (latest: v0.30.8)
[INFO] [stderr]       Adding testresult v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfb v0.9.0
[INFO] [stderr]   Downloaded testdir v0.9.1
[INFO] [stderr]   Downloaded testresult v0.3.0
[INFO] [stderr]   Downloaded md2 v0.10.2
[INFO] [stderr]   Downloaded utf16string v0.2.0
[INFO] [stderr]   Downloaded sysinfo v0.26.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea278fe78295eea7a19857d6a16acf40b3615f29d8ba994ba1b9cd7105b66aa
[INFO] running `Command { std: "docker" "start" "-a" "7ea278fe78295eea7a19857d6a16acf40b3615f29d8ba994ba1b9cd7105b66aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea278fe78295eea7a19857d6a16acf40b3615f29d8ba994ba1b9cd7105b66aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea278fe78295eea7a19857d6a16acf40b3615f29d8ba994ba1b9cd7105b66aa", kill_on_drop: false }`
[INFO] [stdout] 7ea278fe78295eea7a19857d6a16acf40b3615f29d8ba994ba1b9cd7105b66aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1c7fae7441c59b0b93afdbfee42ba8e160e80b77d2fbfbded2e92b0cbf3bc7
[INFO] running `Command { std: "docker" "start" "-a" "4d1c7fae7441c59b0b93afdbfee42ba8e160e80b77d2fbfbded2e92b0cbf3bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking utf16string v0.2.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking sysinfo v0.26.9
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking whoami v1.5.1
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking roxmltree v0.19.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking testresult v0.3.0
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking md2 v0.10.2
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking cfb v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.14.2
[INFO] [stderr]     Checking vpin v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking testdir v0.9.1
[INFO] [stdout] warning: the item `BiffWrite` is imported redundantly
[INFO] [stdout]   --> src/vpx/gameitem/font.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use crate::vpx::biff::BiffWrite;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 73 |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         -------- the item `BiffWrite` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GameItem` is never used
[INFO] [stdout]   --> src/vpx/gameitem.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | trait GameItem: BiffRead {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/vpx/gameitem.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl GameItemEnum {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 69 |     fn name(&self) -> &str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/vpx/gameitem/font.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Font {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(style: u8, weight: u16, size: u32, name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tail` is never used
[INFO] [stdout]   --> tests/directb2s_read_write_compare_all.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn tail(written: &String, n: usize) -> String {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> tests/vpx_read_write_compare_all.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GameItem` is never used
[INFO] [stdout]   --> src/vpx/gameitem.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | trait GameItem: BiffRead {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/vpx/gameitem.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl GameItemEnum {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 69 |     fn name(&self) -> &str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "4d1c7fae7441c59b0b93afdbfee42ba8e160e80b77d2fbfbded2e92b0cbf3bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1c7fae7441c59b0b93afdbfee42ba8e160e80b77d2fbfbded2e92b0cbf3bc7", kill_on_drop: false }`
[INFO] [stdout] 4d1c7fae7441c59b0b93afdbfee42ba8e160e80b77d2fbfbded2e92b0cbf3bc7