[INFO] fetching crate good_stv 0.1.0...
[INFO] checking good_stv-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate good_stv 0.1.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate good_stv 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate good_stv 0.1.0
[INFO] finished tweaking crates.io crate good_stv 0.1.0
[INFO] tweaked toml for crates.io crate good_stv 0.1.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c810d6ba030f53647afe1f03779b8ebeef61a001ba69ce9eec0566c2349c3c9
[INFO] running `Command { std: "docker" "start" "-a" "3c810d6ba030f53647afe1f03779b8ebeef61a001ba69ce9eec0566c2349c3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c810d6ba030f53647afe1f03779b8ebeef61a001ba69ce9eec0566c2349c3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c810d6ba030f53647afe1f03779b8ebeef61a001ba69ce9eec0566c2349c3c9", kill_on_drop: false }`
[INFO] [stdout] 3c810d6ba030f53647afe1f03779b8ebeef61a001ba69ce9eec0566c2349c3c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e64a3db924722c4202402f96984839c505998015f1637b62d9dc66b5ed624e4c
[INFO] running `Command { std: "docker" "start" "-a" "e64a3db924722c4202402f96984839c505998015f1637b62d9dc66b5ed624e4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking good_stv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/stv.rs:199:35
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let surplus_votes = rand::sample(
[INFO] [stdout]     |                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> src/stv.rs:199:35
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let surplus_votes = rand::sample(
[INFO] [stdout]     |                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout]   --> src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |         for cause in err.causes().skip(1) {
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout]   --> src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |         for cause in err.causes().skip(1) {
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.55s
[INFO] running `Command { std: "docker" "inspect" "e64a3db924722c4202402f96984839c505998015f1637b62d9dc66b5ed624e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64a3db924722c4202402f96984839c505998015f1637b62d9dc66b5ed624e4c", kill_on_drop: false }`
[INFO] [stdout] e64a3db924722c4202402f96984839c505998015f1637b62d9dc66b5ed624e4c
