[INFO] cloning repository https://github.com/okamotonr/rext4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/okamotonr/rext4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fokamotonr%2Frext4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fokamotonr%2Frext4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f1ef6b6d8f75aed9ab3b08ae7646464ef58a828
[INFO] checking okamotonr/rext4 against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fokamotonr%2Frext4" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/okamotonr/rext4
[INFO] finished tweaking git repo https://github.com/okamotonr/rext4
[INFO] tweaked toml for git repo https://github.com/okamotonr/rext4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/okamotonr/rext4 on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/okamotonr/rext4 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" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-bakery/nom-derive`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52930b7dd609254604664dced9cc272c092ea89c818b104f4dba769d3d096a13
[INFO] running `Command { std: "docker" "start" "-a" "52930b7dd609254604664dced9cc272c092ea89c818b104f4dba769d3d096a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52930b7dd609254604664dced9cc272c092ea89c818b104f4dba769d3d096a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52930b7dd609254604664dced9cc272c092ea89c818b104f4dba769d3d096a13", kill_on_drop: false }`
[INFO] [stdout] 52930b7dd609254604664dced9cc272c092ea89c818b104f4dba769d3d096a13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be403bb72ecd02c8699d51bd68b7f7f48723b86d53eb510878fd700579c4f41f
[INFO] running `Command { std: "docker" "start" "-a" "be403bb72ecd02c8699d51bd68b7f7f48723b86d53eb510878fd700579c4f41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling nom-derive-impl v0.11.0 (https://github.com/rust-bakery/nom-derive#b36725f2)
[INFO] [stderr]     Checking nom-derive v0.11.0 (https://github.com/rust-bakery/nom-derive#b36725f2)
[INFO] [stderr]     Checking rext4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_power_of` is never used
[INFO] [stdout]   --> src/fs_parser.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn is_power_of(mut n: u64, b: u64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_super_block` is never used
[INFO] [stdout]   --> src/fs_parser.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn has_super_block(is_sparse: bool, index: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/fs_parser.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get_inode_block_contents(&self, inode: &Ext4Inode) -> Option<BlockContents> {
[INFO] [stdout]    |                                     ^^^^^ the lifetime is elided here   ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get_inode_block_contents(&self, inode: &Ext4Inode) -> Option<BlockContents<'_>> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_power_of` is never used
[INFO] [stdout]   --> src/fs_parser.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn is_power_of(mut n: u64, b: u64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_super_block` is never used
[INFO] [stdout]   --> src/fs_parser.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn has_super_block(is_sparse: bool, index: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/fs_parser.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get_inode_block_contents(&self, inode: &Ext4Inode) -> Option<BlockContents> {
[INFO] [stdout]    |                                     ^^^^^ the lifetime is elided here   ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get_inode_block_contents(&self, inode: &Ext4Inode) -> Option<BlockContents<'_>> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chain`
[INFO] [stdout]   --> src/main.rs:28:41
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     BlockContents::Data(chain) => {},
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chain`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chain`
[INFO] [stdout]   --> src/main.rs:28:41
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     BlockContents::Data(chain) => {},
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chain`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "be403bb72ecd02c8699d51bd68b7f7f48723b86d53eb510878fd700579c4f41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be403bb72ecd02c8699d51bd68b7f7f48723b86d53eb510878fd700579c4f41f", kill_on_drop: false }`
[INFO] [stdout] be403bb72ecd02c8699d51bd68b7f7f48723b86d53eb510878fd700579c4f41f