[INFO] fetching crate object 0.26.2...
[INFO] checking object-0.26.2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate object 0.26.2 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate object 0.26.2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate object 0.26.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate object 0.26.2
[INFO] tweaked toml for crates.io crate object 0.26.2 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate crates.io crate object 0.26.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 957e6828cfc822491db792c1f8f7d5e52176cb47c40d1c543ed8a66e08b2b1b4
[INFO] running `Command { std: "docker" "start" "-a" "957e6828cfc822491db792c1f8f7d5e52176cb47c40d1c543ed8a66e08b2b1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "957e6828cfc822491db792c1f8f7d5e52176cb47c40d1c543ed8a66e08b2b1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957e6828cfc822491db792c1f8f7d5e52176cb47c40d1c543ed8a66e08b2b1b4", kill_on_drop: false }`
[INFO] [stdout] 957e6828cfc822491db792c1f8f7d5e52176cb47c40d1c543ed8a66e08b2b1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a03f85a3f2b6be416e036df57be43ebab4647a9d0947adbbc3a5bd30e435ee4
[INFO] running `Command { std: "docker" "start" "-a" "0a03f85a3f2b6be416e036df57be43ebab4647a9d0947adbbc3a5bd30e435ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking object v0.26.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]   --> src/read/elf/comdat.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     index: SectionIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> src/read/macho/dyld_cache.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     header: &'data macho::DyldCacheHeader<E>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/macho/file.rs:372:5
[INFO] [stdout]     |
[INFO] [stdout] 372 |     file: &'file MachOFile<'data, Mach, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/macho/file.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |     file: &'file MachOFile<'data, Mach, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/macho/file.rs:456:5
[INFO] [stdout]     |
[INFO] [stdout] 456 |     file: &'file MachOFile<'data, Mach, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/pe/file.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     file: &'file PeFile<'data, Pe, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/pe/file.rs:462:5
[INFO] [stdout]     |
[INFO] [stdout] 462 |     file: &'file PeFile<'data, Pe, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/pe/file.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 514 |     file: &'file PeFile<'data, Pe, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]   --> src/read/elf/comdat.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     index: SectionIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> src/read/macho/dyld_cache.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     header: &'data macho::DyldCacheHeader<E>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/macho/file.rs:372:5
[INFO] [stdout]     |
[INFO] [stdout] 372 |     file: &'file MachOFile<'data, Mach, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/macho/file.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |     file: &'file MachOFile<'data, Mach, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/macho/file.rs:456:5
[INFO] [stdout]     |
[INFO] [stdout] 456 |     file: &'file MachOFile<'data, Mach, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/pe/file.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     file: &'file PeFile<'data, Pe, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/pe/file.rs:462:5
[INFO] [stdout]     |
[INFO] [stdout] 462 |     file: &'file PeFile<'data, Pe, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]    --> src/read/pe/file.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 514 |     file: &'file PeFile<'data, Pe, R>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "0a03f85a3f2b6be416e036df57be43ebab4647a9d0947adbbc3a5bd30e435ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a03f85a3f2b6be416e036df57be43ebab4647a9d0947adbbc3a5bd30e435ee4", kill_on_drop: false }`
[INFO] [stdout] 0a03f85a3f2b6be416e036df57be43ebab4647a9d0947adbbc3a5bd30e435ee4