[INFO] cloning repository https://github.com/madolchepalooza/hash-file-for-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madolchepalooza/hash-file-for-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadolchepalooza%2Fhash-file-for-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadolchepalooza%2Fhash-file-for-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a013dbd5191762ff19600a207f12eda371af9289
[INFO] checking madolchepalooza/hash-file-for-test against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadolchepalooza%2Fhash-file-for-test" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madolchepalooza/hash-file-for-test on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/madolchepalooza/hash-file-for-test
[INFO] finished tweaking git repo https://github.com/madolchepalooza/hash-file-for-test
[INFO] tweaked toml for git repo https://github.com/madolchepalooza/hash-file-for-test written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/madolchepalooza/hash-file-for-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc8953f27bd815ba75a147cf51e3ddd627b13db9b5066596013f84878dd80e47
[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" "cc8953f27bd815ba75a147cf51e3ddd627b13db9b5066596013f84878dd80e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc8953f27bd815ba75a147cf51e3ddd627b13db9b5066596013f84878dd80e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8953f27bd815ba75a147cf51e3ddd627b13db9b5066596013f84878dd80e47", kill_on_drop: false }`
[INFO] [stdout] cc8953f27bd815ba75a147cf51e3ddd627b13db9b5066596013f84878dd80e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5767f7d7f78a1f0bcd980b86df5ea223b13dccdbf3e2a25f12da724b5d960449
[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" "5767f7d7f78a1f0bcd980b86df5ea223b13dccdbf3e2a25f12da724b5d960449", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking hash-file-for-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `hash::Hash`
[INFO] [stdout]  --> src/hash.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, hash::Hash, io::{BufReader, BufWriter, Write, Read, BufRead}};
[INFO] [stdout]   |                     ^^^^^^^^^^       ^^^^^^^^^                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Blake2b`
[INFO] [stdout]  --> src/hash.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use blake2::{Blake2b, Blake2s, Digest};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/file.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{BufReader, BufWriter}};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source_size`
[INFO] [stdout]  --> src/hash.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     source_size: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `hash::Hash`
[INFO] [stdout]  --> src/hash.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, hash::Hash, io::{BufReader, BufWriter, Write, Read, BufRead}};
[INFO] [stdout]   |                     ^^^^^^^^^^       ^^^^^^^^^                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Blake2b`
[INFO] [stdout]  --> src/hash.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use blake2::{Blake2b, Blake2s, Digest};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/file.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{BufReader, BufWriter}};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source_size`
[INFO] [stdout]  --> src/hash.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     source_size: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "5767f7d7f78a1f0bcd980b86df5ea223b13dccdbf3e2a25f12da724b5d960449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5767f7d7f78a1f0bcd980b86df5ea223b13dccdbf3e2a25f12da724b5d960449", kill_on_drop: false }`
[INFO] [stdout] 5767f7d7f78a1f0bcd980b86df5ea223b13dccdbf3e2a25f12da724b5d960449