[INFO] cloning repository https://github.com/Skirmisher/hapi-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Skirmisher/hapi-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkirmisher%2Fhapi-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkirmisher%2Fhapi-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 276eb0bc5f8c7de3ba62aedb13a57e74d032c475
[INFO] checking Skirmisher/hapi-rs against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkirmisher%2Fhapi-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Skirmisher/hapi-rs on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Skirmisher/hapi-rs
[INFO] finished tweaking git repo https://github.com/Skirmisher/hapi-rs
[INFO] tweaked toml for git repo https://github.com/Skirmisher/hapi-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Skirmisher/hapi-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--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/Skirmisher/lz77-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7ff87349627e7fe738b6a92d3bbf10fddef8220e7ec46f349e599eaabc56837
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7ff87349627e7fe738b6a92d3bbf10fddef8220e7ec46f349e599eaabc56837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7ff87349627e7fe738b6a92d3bbf10fddef8220e7ec46f349e599eaabc56837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ff87349627e7fe738b6a92d3bbf10fddef8220e7ec46f349e599eaabc56837", kill_on_drop: false }`
[INFO] [stdout] e7ff87349627e7fe738b6a92d3bbf10fddef8220e7ec46f349e599eaabc56837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45a7e54ee90ddef064e0b832322d31481c6984e1607f645662cbd025830ee40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f45a7e54ee90ddef064e0b832322d31481c6984e1607f645662cbd025830ee40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking lz77-rs v0.1.1 (https://github.com/Skirmisher/lz77-rs#59bb1d9f)
[INFO] [stderr]     Checking hapi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ReadDir`
[INFO] [stdout]  --> src/hapi/archive.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{File, ReadDir};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/hapi/archive.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HapiDirectory`
[INFO] [stdout]  --> src/hapi/archive.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::reader::{HapiContents, HapiDirectory, HapiEntry, HapiFile, HapiReader};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/hapi/reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ReadDir`
[INFO] [stdout]  --> src/hapi/archive.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{File, ReadDir};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/hapi/archive.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HapiDirectory`
[INFO] [stdout]  --> src/hapi/archive.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::reader::{HapiContents, HapiDirectory, HapiEntry, HapiFile, HapiReader};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/hapi/reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/hapi/archive.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn extract_file<W: Write>(&mut self, entry: &HapiFile, output: W) -> io::Result<()> {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/hapi/archive.rs:67:57
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn extract_file<W: Write>(&mut self, entry: &HapiFile, output: W) -> io::Result<()> {
[INFO] [stdout]    |                                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/hapi/archive.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn extract_file<W: Write>(&mut self, entry: &HapiFile, output: W) -> io::Result<()> {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/hapi/archive.rs:67:57
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn extract_file<W: Write>(&mut self, entry: &HapiFile, output: W) -> io::Result<()> {
[INFO] [stdout]    |                                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HAPI_CHUNK_SIZE`
[INFO] [stdout]  --> src/hapi/archive.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const HAPI_CHUNK_SIZE: usize = 65536;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OutputTarget`
[INFO] [stdout]  --> src/hapi/archive.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum OutputTarget<W: Write> {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HAPI_CHUNK_SIZE`
[INFO] [stdout]  --> src/hapi/archive.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const HAPI_CHUNK_SIZE: usize = 65536;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reader`
[INFO] [stdout]   --> src/hapi/archive.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     reader: HapiReader<R>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OutputTarget`
[INFO] [stdout]  --> src/hapi/archive.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum OutputTarget<W: Write> {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `contents`
[INFO] [stdout]   --> src/hapi/archive.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     contents: HapiContents,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reader`
[INFO] [stdout]   --> src/hapi/archive.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     reader: HapiReader<R>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_entry`
[INFO] [stdout]   --> src/hapi/archive.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn extract_entry<W: Write>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_file`
[INFO] [stdout]   --> src/hapi/archive.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn extract_file<W: Write>(&mut self, entry: &HapiFile, output: W) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contents`
[INFO] [stdout]   --> src/hapi/reader.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub(super) fn contents(&self) -> &Vec<HapiEntry> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `contents`
[INFO] [stdout]   --> src/hapi/archive.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     contents: HapiContents,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_entry`
[INFO] [stdout]   --> src/hapi/archive.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn extract_entry<W: Write>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_file`
[INFO] [stdout]   --> src/hapi/archive.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn extract_file<W: Write>(&mut self, entry: &HapiFile, output: W) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contents`
[INFO] [stdout]   --> src/hapi/reader.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub(super) fn contents(&self) -> &Vec<HapiEntry> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.60s
[INFO] running `Command { std: "docker" "inspect" "f45a7e54ee90ddef064e0b832322d31481c6984e1607f645662cbd025830ee40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45a7e54ee90ddef064e0b832322d31481c6984e1607f645662cbd025830ee40", kill_on_drop: false }`
[INFO] [stdout] f45a7e54ee90ddef064e0b832322d31481c6984e1607f645662cbd025830ee40