[INFO] cloning repository https://github.com/theAester/dftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theAester/dftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheAester%2Fdftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheAester%2Fdftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 928fe1d9cb660746cd7204a8bab5e9f1a0f00bd5
[INFO] checking theAester/dftp/928fe1d9cb660746cd7204a8bab5e9f1a0f00bd5 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheAester%2Fdftp" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theAester/dftp on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theAester/dftp
[INFO] finished tweaking git repo https://github.com/theAester/dftp
[INFO] tweaked toml for git repo https://github.com/theAester/dftp written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4031db67336154a8a8e0c6ac56d793c75806a6654209f3ef62c0822c14b376ad
[INFO] running `Command { std: "docker" "start" "-a" "4031db67336154a8a8e0c6ac56d793c75806a6654209f3ef62c0822c14b376ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4031db67336154a8a8e0c6ac56d793c75806a6654209f3ef62c0822c14b376ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4031db67336154a8a8e0c6ac56d793c75806a6654209f3ef62c0822c14b376ad", kill_on_drop: false }`
[INFO] [stdout] 4031db67336154a8a8e0c6ac56d793c75806a6654209f3ef62c0822c14b376ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b178ff4576412530e1c9e1dbe04e7e6e62e92cf264de089d586989bfa3362d11
[INFO] running `Command { std: "docker" "start" "-a" "b178ff4576412530e1c9e1dbe04e7e6e62e92cf264de089d586989bfa3362d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling cc v1.2.17
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking dftp v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Write as fWrite`
[INFO] [stdout]  --> src/protocol.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fmt::Write as fWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Write as fWrite`
[INFO] [stdout]  --> src/protocol.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fmt::Write as fWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/protocol.rs:428:17
[INFO] [stdout]     |
[INFO] [stdout] 428 | fn compute_hash(file: &mut File) -> [u8; 32] {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/protocol.rs:465:19
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn stringify_hash(hash: &[u8]) -> String {
[INFO] [stdout]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/protocol.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 |     let mut s = String::new();
[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: enum `Message` is never used
[INFO] [stdout]    --> src/protocol.rs:290:6
[INFO] [stdout]     |
[INFO] [stdout] 290 | enum Message {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/protocol.rs:428:17
[INFO] [stdout]     |
[INFO] [stdout] 428 | fn compute_hash(file: &mut File) -> [u8; 32] {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/protocol.rs:465:19
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn stringify_hash(hash: &[u8]) -> String {
[INFO] [stdout]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/protocol.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 |     let mut s = String::new();
[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: enum `Message` is never used
[INFO] [stdout]    --> src/protocol.rs:290:6
[INFO] [stdout]     |
[INFO] [stdout] 290 | enum Message {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "b178ff4576412530e1c9e1dbe04e7e6e62e92cf264de089d586989bfa3362d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b178ff4576412530e1c9e1dbe04e7e6e62e92cf264de089d586989bfa3362d11", kill_on_drop: false }`
[INFO] [stdout] b178ff4576412530e1c9e1dbe04e7e6e62e92cf264de089d586989bfa3362d11