[INFO] cloning repository https://github.com/geropl/tarfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geropl/tarfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeropl%2Ftarfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeropl%2Ftarfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 669b25a3ed59f6d26b7bb1d24a3332e35a8c35ce
[INFO] checking geropl/tarfs against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeropl%2Ftarfs" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geropl/tarfs on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/geropl/tarfs
[INFO] finished tweaking git repo https://github.com/geropl/tarfs
[INFO] tweaked toml for git repo https://github.com/geropl/tarfs written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/geropl/tarfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded ctor v0.1.9
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded filetime v0.2.6
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded syn v0.15.42
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded tar v0.4.26
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f82ee7a7e1712a132e9fe5218aa7a096b0805c52b312a14adeb57704f938ebe5
[INFO] running `Command { std: "docker" "start" "-a" "f82ee7a7e1712a132e9fe5218aa7a096b0805c52b312a14adeb57704f938ebe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82ee7a7e1712a132e9fe5218aa7a096b0805c52b312a14adeb57704f938ebe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82ee7a7e1712a132e9fe5218aa7a096b0805c52b312a14adeb57704f938ebe5", kill_on_drop: false }`
[INFO] [stdout] f82ee7a7e1712a132e9fe5218aa7a096b0805c52b312a14adeb57704f938ebe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 289f28ae67a0f783ded6ba0ba14f193a87847b4638ab65fedf16c32f89246ed6
[INFO] running `Command { std: "docker" "start" "-a" "289f28ae67a0f783ded6ba0ba14f193a87847b4638ab65fedf16c32f89246ed6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tarfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/tarindexer.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 282 |     index: u64,
[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_offset`
[INFO] [stdout]    --> src/tarindexer.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     header_offset: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/tarindexer.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 282 |     index: u64,
[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_offset`
[INFO] [stdout]    --> src/tarindexer.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     header_offset: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.83s
[INFO] running `Command { std: "docker" "inspect" "289f28ae67a0f783ded6ba0ba14f193a87847b4638ab65fedf16c32f89246ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289f28ae67a0f783ded6ba0ba14f193a87847b4638ab65fedf16c32f89246ed6", kill_on_drop: false }`
[INFO] [stdout] 289f28ae67a0f783ded6ba0ba14f193a87847b4638ab65fedf16c32f89246ed6