[INFO] fetching crate tiff2 0.0.4...
[INFO] checking tiff2-0.0.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tiff2 0.0.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tiff2 0.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tiff2 0.0.4
[INFO] tweaked toml for crates.io crate tiff2 0.0.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiff2 0.0.4 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] crate crates.io crate tiff2 0.0.4 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] daf31f6ef132f7626e804acf889304381f99da0f8c44d32d18c96b76a46546bc
[INFO] running `Command { std: "docker" "start" "-a" "daf31f6ef132f7626e804acf889304381f99da0f8c44d32d18c96b76a46546bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daf31f6ef132f7626e804acf889304381f99da0f8c44d32d18c96b76a46546bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf31f6ef132f7626e804acf889304381f99da0f8c44d32d18c96b76a46546bc", kill_on_drop: false }`
[INFO] [stdout] daf31f6ef132f7626e804acf889304381f99da0f8c44d32d18c96b76a46546bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c51006c960e10ca8cbd6814be3a20aeb1f39b76f6a065e56ba7eb9becbde5588
[INFO] running `Command { std: "docker" "start" "-a" "c51006c960e10ca8cbd6814be3a20aeb1f39b76f6a065e56ba7eb9becbde5588", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.31
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[INFO] [stderr]     Checking tiff2 v0.0.4 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> examples/geotiff_test.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::BTreeMap, fs, path::Path, time::Instant};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tags::PhotometricInterpretation::*`
[INFO] [stdout]   --> examples/common.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     structs::{tags::PhotometricInterpretation::*, ChunkOpts},
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tags::PhotometricInterpretation::*`
[INFO] [stdout]   --> examples/common.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     structs::{tags::PhotometricInterpretation::*, ChunkOpts},
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut data: Cow<str> = Cow::Borrowed("hello world");
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/test.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut user2 = data.clone();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tags::PhotometricInterpretation::*`
[INFO] [stdout]   --> examples/common.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     structs::{tags::PhotometricInterpretation::*, ChunkOpts},
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIFFS` is never used
[INFO] [stdout]   --> examples/geotiff_test.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const TIFFS: &[&str] = &[
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RGBTIFFS` is never used
[INFO] [stdout]   --> examples/geotiff_test.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const RGBTIFFS: &[&str] = &[
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ProcessedEntry, Infallible>
[INFO] [stdout]    --> src/structs/entry.rs:798:87
[INFO] [stdout]     |
[INFO] [stdout] 798 |             assert_eq!(IfdEntry::from_reader(&mut r, false).unwrap(), IfdEntry::Value(res.try_into().unwrap()));
[INFO] [stdout]     |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ProcessedEntry, Infallible>
[INFO] [stdout]    --> src/structs/entry.rs:850:86
[INFO] [stdout]     |
[INFO] [stdout] 850 |             assert_eq!(IfdEntry::from_reader(&mut r, true).unwrap(), IfdEntry::Value(res.try_into().unwrap()));
[INFO] [stdout]     |                                                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ProcessedEntry, Infallible>
[INFO] [stdout]    --> src/structs/entry.rs:883:87
[INFO] [stdout]     |
[INFO] [stdout] 883 |             assert_eq!(IfdEntry::from_reader(&mut r, false).unwrap(), IfdEntry::Value(res.try_into().unwrap()));
[INFO] [stdout]     |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ProcessedEntry, Infallible>
[INFO] [stdout]    --> src/structs/entry.rs:923:86
[INFO] [stdout]     |
[INFO] [stdout] 923 |             assert_eq!(IfdEntry::from_reader(&mut r, true).unwrap(), IfdEntry::Value(res.try_into().unwrap()));
[INFO] [stdout]     |                                                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ProcessedEntry, Infallible>
[INFO] [stdout]    --> src/structs/ifd.rs:321:75
[INFO] [stdout]     |
[INFO] [stdout] 321 |             dir.insert(Tag::from_u16_exhaustive(0x01_01), IfdEntry::Value(res.try_into().unwrap()));
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ProcessedEntry, Infallible>
[INFO] [stdout]    --> src/structs/ifd.rs:359:75
[INFO] [stdout]     |
[INFO] [stdout] 359 |             dir.insert(Tag::from_u16_exhaustive(0x01_01), IfdEntry::Value(res.try_into().unwrap()));
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ProcessedEntry, Infallible>
[INFO] [stdout]    --> src/structs/ifd.rs:406:75
[INFO] [stdout]     |
[INFO] [stdout] 406 |             dir.insert(Tag::from_u16_exhaustive(0x01_01), IfdEntry::Value(res.try_into().unwrap()));
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiff2` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "c51006c960e10ca8cbd6814be3a20aeb1f39b76f6a065e56ba7eb9becbde5588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51006c960e10ca8cbd6814be3a20aeb1f39b76f6a065e56ba7eb9becbde5588", kill_on_drop: false }`
[INFO] [stdout] c51006c960e10ca8cbd6814be3a20aeb1f39b76f6a065e56ba7eb9becbde5588
