[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] 5f50ce2cc5e4565799b4e9e82df6bddc6a3b5a73
[INFO] checking theAester/dftp/5f50ce2cc5e4565799b4e9e82df6bddc6a3b5a73 against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheAester%2Fdftp" "/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/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theAester/dftp on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded digest v0.11.2
[INFO] [stderr]   Downloaded hybrid-array v0.4.10
[INFO] [stderr]   Downloaded block-buffer v0.12.0
[INFO] [stderr]   Downloaded crypto-common v0.2.1
[INFO] [stderr]   Downloaded getopts v0.2.24
[INFO] [stderr]   Downloaded sha2 v0.11.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b0bef137830a4714f990dec4636c80a588a9b2f51323763e0414890a33904c5
[INFO] running `Command { std: "docker" "start" "-a" "0b0bef137830a4714f990dec4636c80a588a9b2f51323763e0414890a33904c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b0bef137830a4714f990dec4636c80a588a9b2f51323763e0414890a33904c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0bef137830a4714f990dec4636c80a588a9b2f51323763e0414890a33904c5", kill_on_drop: false }`
[INFO] [stdout] 0b0bef137830a4714f990dec4636c80a588a9b2f51323763e0414890a33904c5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1051b224e18d9e523af783ab9173a107f7f81569f2704c5e281ce9a50ac85cf5
[INFO] running `Command { std: "docker" "start" "-a" "1051b224e18d9e523af783ab9173a107f7f81569f2704c5e281ce9a50ac85cf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]     Checking const-oid v0.10.2
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking hybrid-array v0.4.10
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking block-buffer v0.12.0
[INFO] [stderr]     Checking crypto-common v0.2.1
[INFO] [stderr]     Checking digest v0.11.2
[INFO] [stderr]     Checking sha2 v0.11.0
[INFO] [stderr]     Checking dftp v0.2.4 (/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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "1051b224e18d9e523af783ab9173a107f7f81569f2704c5e281ce9a50ac85cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1051b224e18d9e523af783ab9173a107f7f81569f2704c5e281ce9a50ac85cf5", kill_on_drop: false }`
[INFO] [stdout] 1051b224e18d9e523af783ab9173a107f7f81569f2704c5e281ce9a50ac85cf5
