[INFO] cloning repository https://github.com/FrancisRussell/hfsplus-rescue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrancisRussell/hfsplus-rescue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancisRussell%2Fhfsplus-rescue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancisRussell%2Fhfsplus-rescue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 569a58c552b375d1a626129c6a8ff34743082da7
[INFO] checking FrancisRussell/hfsplus-rescue against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancisRussell%2Fhfsplus-rescue" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrancisRussell/hfsplus-rescue on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrancisRussell/hfsplus-rescue
[INFO] finished tweaking git repo https://github.com/FrancisRussell/hfsplus-rescue
[INFO] tweaked toml for git repo https://github.com/FrancisRussell/hfsplus-rescue written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/FrancisRussell/hfsplus-rescue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03bf30f17b9c7b804c38a980ff4ede23da9d96ce59c80c6029fbad0c70c1e335
[INFO] running `Command { std: "docker" "start" "-a" "03bf30f17b9c7b804c38a980ff4ede23da9d96ce59c80c6029fbad0c70c1e335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03bf30f17b9c7b804c38a980ff4ede23da9d96ce59c80c6029fbad0c70c1e335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bf30f17b9c7b804c38a980ff4ede23da9d96ce59c80c6029fbad0c70c1e335", kill_on_drop: false }`
[INFO] [stdout] 03bf30f17b9c7b804c38a980ff4ede23da9d96ce59c80c6029fbad0c70c1e335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b88489f73d839aa39b95acd8a29da5a7fddd0bd1612891f45062ef1f246b7f
[INFO] running `Command { std: "docker" "start" "-a" "f3b88489f73d839aa39b95acd8a29da5a7fddd0bd1612891f45062ef1f246b7f", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking hfsplus-rescue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/filesystem.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut buffer = unsafe { slice::from_raw_parts_mut(ptr, length) };
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]    --> src/filesystem.rs:429:5
[INFO] [stdout]     |
[INFO] [stdout] 428 | pub struct BTree<F> {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 429 |     file: F,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/filesystem.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut buffer = unsafe { slice::from_raw_parts_mut(ptr, length) };
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]    --> src/filesystem.rs:429:5
[INFO] [stdout]     |
[INFO] [stdout] 428 | pub struct BTree<F> {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 429 |     file: F,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "f3b88489f73d839aa39b95acd8a29da5a7fddd0bd1612891f45062ef1f246b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b88489f73d839aa39b95acd8a29da5a7fddd0bd1612891f45062ef1f246b7f", kill_on_drop: false }`
[INFO] [stdout] f3b88489f73d839aa39b95acd8a29da5a7fddd0bd1612891f45062ef1f246b7f