[INFO] fetching crate ghostfat 0.5.0...
[INFO] checking ghostfat-0.5.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate ghostfat 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ghostfat 0.5.0
[INFO] finished tweaking crates.io crate ghostfat 0.5.0
[INFO] tweaked toml for crates.io crate ghostfat 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ghostfat 0.5.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.10.0)
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding simplelog v0.11.2 (available: v0.12.2)
[INFO] [stderr]       Adding termcolor v1.1.3 (available: v1.4.1)
[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] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `log` dependency)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usbd_mass_storage v0.1.0
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded uf2_block v0.1.0
[INFO] [stderr]   Downloaded itm_logger v0.1.2
[INFO] [stderr]   Downloaded simplelog v0.11.2
[INFO] [stderr]   Downloaded packing v0.2.0
[INFO] [stderr]   Downloaded usbd_bulk_only_transport v0.1.0
[INFO] [stderr]   Downloaded fatfs v0.3.6
[INFO] [stderr]   Downloaded packing v0.1.0
[INFO] [stderr]   Downloaded usbd_scsi v0.1.0
[INFO] [stderr]   Downloaded packing_codegen v0.1.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a31abb4a9d1471237f0cccae5dbcd806d356f97ff939d8bd0f9c5e903342e9ba
[INFO] running `Command { std: "docker" "start" "-a" "a31abb4a9d1471237f0cccae5dbcd806d356f97ff939d8bd0f9c5e903342e9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a31abb4a9d1471237f0cccae5dbcd806d356f97ff939d8bd0f9c5e903342e9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31abb4a9d1471237f0cccae5dbcd806d356f97ff939d8bd0f9c5e903342e9ba", kill_on_drop: false }`
[INFO] [stdout] a31abb4a9d1471237f0cccae5dbcd806d356f97ff939d8bd0f9c5e903342e9ba
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b342a13c7d3840db5ec9c7060d1c77659ebdf3a7ca0f60476824eb07c239a5
[INFO] running `Command { std: "docker" "start" "-a" "10b342a13c7d3840db5ec9c7060d1c77659ebdf3a7ca0f60476824eb07c239a5", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `log` dependency)
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking itm_logger v0.1.2
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking fatfs v0.3.6
[INFO] [stderr]     Checking simplelog v0.11.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling packing_codegen v0.1.0
[INFO] [stderr]     Checking packing v0.1.0
[INFO] [stderr]     Checking packing v0.2.0
[INFO] [stderr]     Checking usbd_mass_storage v0.1.0
[INFO] [stderr]     Checking uf2_block v0.1.0
[INFO] [stderr]     Checking usbd_bulk_only_transport v0.1.0
[INFO] [stderr]     Checking usbd_scsi v0.1.0
[INFO] [stderr]     Checking ghostfat v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/lib.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use log::{debug, info, trace, warn, error};
[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: `info`
[INFO] [stdout]   --> src/lib.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use log::{debug, info, trace, warn, error};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/config.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         index += 8;
[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 `index` is never read
[INFO] [stdout]   --> src/config.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         index += 8;
[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: struct `ChunkIter` is never constructed
[INFO] [stdout]    --> src/file.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub struct ChunkIter {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChunkIter` is never constructed
[INFO] [stdout]    --> src/file.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub struct ChunkIter {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> tests/integration.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex};
[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 imports: `debug` and `info`
[INFO] [stdout]  --> tests/integration.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{trace, debug, info};
[INFO] [stdout]   |                  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SimpleLogger`
[INFO] [stdout]  --> tests/integration.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use simplelog::{SimpleLogger, LevelFilter, Config as LogConfig};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nope`
[INFO] [stdout]   --> tests/integration.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |         #[cfg(nope)]
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nope)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nope)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> tests/integration.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             index += c.len();
[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: unused variable: `v`
[INFO] [stdout]    --> tests/integration.rs:110:27
[INFO] [stdout]     |
[INFO] [stdout] 110 |             SeekFrom::End(v) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/integration.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     f0.rewind();
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let _ = f0.rewind();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/integration.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     f0.flush();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 223 |     let _ = f0.flush();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "10b342a13c7d3840db5ec9c7060d1c77659ebdf3a7ca0f60476824eb07c239a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b342a13c7d3840db5ec9c7060d1c77659ebdf3a7ca0f60476824eb07c239a5", kill_on_drop: false }`
[INFO] [stdout] 10b342a13c7d3840db5ec9c7060d1c77659ebdf3a7ca0f60476824eb07c239a5