[INFO] cloning repository https://github.com/tmaxmax/polynomial-roots-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmaxmax/polynomial-roots-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmaxmax%2Fpolynomial-roots-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmaxmax%2Fpolynomial-roots-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a36f512ed8cbcca964b0144b7ef9d0cba7840a5
[INFO] checking tmaxmax/polynomial-roots-calculator against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmaxmax%2Fpolynomial-roots-calculator" "/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/tmaxmax/polynomial-roots-calculator on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/tmaxmax/polynomial-roots-calculator
[INFO] finished tweaking git repo https://github.com/tmaxmax/polynomial-roots-calculator
[INFO] tweaked toml for git repo https://github.com/tmaxmax/polynomial-roots-calculator written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tmaxmax/polynomial-roots-calculator 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking tmaxmax/polynomial-roots-calculator against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmaxmax%2Fpolynomial-roots-calculator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmaxmax/polynomial-roots-calculator on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/tmaxmax/polynomial-roots-calculator
[INFO] finished tweaking git repo https://github.com/tmaxmax/polynomial-roots-calculator
[INFO] tweaked toml for git repo https://github.com/tmaxmax/polynomial-roots-calculator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tmaxmax/polynomial-roots-calculator 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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 091c1e5cf215f97b0cd66ba1342680c71b99789eb1e7eb895e8f6619e63ab456
[INFO] running `Command { std: "docker" "start" "-a" "091c1e5cf215f97b0cd66ba1342680c71b99789eb1e7eb895e8f6619e63ab456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "091c1e5cf215f97b0cd66ba1342680c71b99789eb1e7eb895e8f6619e63ab456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091c1e5cf215f97b0cd66ba1342680c71b99789eb1e7eb895e8f6619e63ab456", kill_on_drop: false }`
[INFO] [stdout] 091c1e5cf215f97b0cd66ba1342680c71b99789eb1e7eb895e8f6619e63ab456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 256558d34045a5e9e6d28822aa81979f789b3954530adc24fc78ebeaed2eb03a
[INFO] running `Command { std: "docker" "start" "-a" "256558d34045a5e9e6d28822aa81979f789b3954530adc24fc78ebeaed2eb03a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking polynomial-roots-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/polynomial.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (1..=n)
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/polynomial.rs:242:6
[INFO] [stdout]     |
[INFO] [stdout] 242 |     (0..lhs.len() - 1).rev().for_each(|k| {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/polynomial.rs:272:10
[INFO] [stdout]     |
[INFO] [stdout] 272 |         (0..=r_g).for_each(|k| lhs[l_g - k] -= c * rhs[r_g - k]);
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/roots.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     if (1..grade).any(|i| p[i] != 0.) {
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/roots.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let root_values = (0..grade)
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/polynomial.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (1..=n)
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/polynomial.rs:242:6
[INFO] [stdout]     |
[INFO] [stdout] 242 |     (0..lhs.len() - 1).rev().for_each(|k| {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/polynomial.rs:272:10
[INFO] [stdout]     |
[INFO] [stdout] 272 |         (0..=r_g).for_each(|k| lhs[l_g - k] -= c * rhs[r_g - k]);
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/polynomial.rs:410:65
[INFO] [stdout]     |
[INFO] [stdout] 410 |                 .sample_iter(rand::distributions::Uniform::from(-1000..1000))
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/polynomial.rs:424:31
[INFO] [stdout]     |
[INFO] [stdout] 424 |                 rng.gen_range(-1000..1000),
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/polynomial.rs:425:31
[INFO] [stdout]     |
[INFO] [stdout] 425 |                 rng.gen_range(1..1000),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/roots.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     if (1..grade).any(|i| p[i] != 0.) {
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/roots.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let root_values = (0..grade)
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `primitive`, `gcd`, and `gsfd` are never used
[INFO] [stdout]   --> src/polynomial.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Polynomial {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn primitive(&self) -> (Polynomial, f64) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn gcd(&self, rhs: &Self) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn gsfd(&self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]    --> src/polynomial.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn gcd(mut r0: Vec<Rational32>, mut r1: Vec<Rational32>) -> Vec<Rational32> {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `primitive` is never used
[INFO] [stdout]    --> src/polynomial.rs:319:4
[INFO] [stdout]     |
[INFO] [stdout] 319 | fn primitive(v: &mut [Rational32]) -> Rational32 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "256558d34045a5e9e6d28822aa81979f789b3954530adc24fc78ebeaed2eb03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256558d34045a5e9e6d28822aa81979f789b3954530adc24fc78ebeaed2eb03a", kill_on_drop: false }`
[INFO] [stdout] 256558d34045a5e9e6d28822aa81979f789b3954530adc24fc78ebeaed2eb03a
