[INFO] fetching crate br-web-server 0.1.0...
[INFO] checking br-web-server-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate br-web-server 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate br-web-server 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate br-web-server 0.1.0
[INFO] finished tweaking crates.io crate br-web-server 0.1.0
[INFO] tweaked toml for crates.io crate br-web-server 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate br-web-server 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb9db2a8408a9926f2d215be5a31d5d3cb7d2635780901ee42155793be6b94e7
[INFO] running `Command { std: "docker" "start" "-a" "eb9db2a8408a9926f2d215be5a31d5d3cb7d2635780901ee42155793be6b94e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb9db2a8408a9926f2d215be5a31d5d3cb7d2635780901ee42155793be6b94e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9db2a8408a9926f2d215be5a31d5d3cb7d2635780901ee42155793be6b94e7", kill_on_drop: false }`
[INFO] [stdout] eb9db2a8408a9926f2d215be5a31d5d3cb7d2635780901ee42155793be6b94e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac3c24466ca73462ab305a6704fdfc4607d228460ad3dc20aa598c0e706b94d
[INFO] running `Command { std: "docker" "start" "-a" "bac3c24466ca73462ab305a6704fdfc4607d228460ad3dc20aa598c0e706b94d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.8
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking flate2 v1.0.31
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking br-web-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut json = object! {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut json = object! {
[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: function `encode` is never used
[INFO] [stdout]  --> src/base64.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encode(input: &[u8]) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]  --> src/base64.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encode(input: &[u8]) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "bac3c24466ca73462ab305a6704fdfc4607d228460ad3dc20aa598c0e706b94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac3c24466ca73462ab305a6704fdfc4607d228460ad3dc20aa598c0e706b94d", kill_on_drop: false }`
[INFO] [stdout] bac3c24466ca73462ab305a6704fdfc4607d228460ad3dc20aa598c0e706b94d