[INFO] fetching crate over-engineered-fizzbuzz 0.1.1...
[INFO] testing over-engineered-fizzbuzz-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate over-engineered-fizzbuzz 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate over-engineered-fizzbuzz 0.1.1
[INFO] finished tweaking crates.io crate over-engineered-fizzbuzz 0.1.1
[INFO] tweaked toml for crates.io crate over-engineered-fizzbuzz 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate over-engineered-fizzbuzz 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate over-engineered-fizzbuzz 0.1.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45c52ac42cb95ffa10f98cd55e1a3a0e18d2f00b2c8b727a360a3a165ce6b397
[INFO] running `Command { std: "docker" "start" "-a" "45c52ac42cb95ffa10f98cd55e1a3a0e18d2f00b2c8b727a360a3a165ce6b397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45c52ac42cb95ffa10f98cd55e1a3a0e18d2f00b2c8b727a360a3a165ce6b397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c52ac42cb95ffa10f98cd55e1a3a0e18d2f00b2c8b727a360a3a165ce6b397", kill_on_drop: false }`
[INFO] [stdout] 45c52ac42cb95ffa10f98cd55e1a3a0e18d2f00b2c8b727a360a3a165ce6b397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf5f0fb513a59ebef9afc98ffd7e25715230d4524d5716baf29832bfac098d9e
[INFO] running `Command { std: "docker" "start" "-a" "cf5f0fb513a59ebef9afc98ffd7e25715230d4524d5716baf29832bfac098d9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling over-engineered-fizzbuzz v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `tuple` is never used
[INFO] [stdout]   --> src/fizzbuzz.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Param {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn tuple(self) -> (String, i32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `compute_iter`, `empty`, and `params` are never used
[INFO] [stdout]    --> src/fizzbuzz.rs:87:12
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl FizzBuzz {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn compute_iter<I: Iterator<Item = i32>>(&self, iter: I) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn empty() -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn params(&self) -> Vec<(String, i32)> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fizzbuzz` is never used
[INFO] [stdout]    --> src/fizzbuzz.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub trait FizzBuzzed<I> {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 212 |     fn fizzbuzz(self) -> FizzBuzzIter<I>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "cf5f0fb513a59ebef9afc98ffd7e25715230d4524d5716baf29832bfac098d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5f0fb513a59ebef9afc98ffd7e25715230d4524d5716baf29832bfac098d9e", kill_on_drop: false }`
[INFO] [stdout] cf5f0fb513a59ebef9afc98ffd7e25715230d4524d5716baf29832bfac098d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa636ad0dfad16f9cfd8f54695275d45cad267fc56948e1089ee1643cdb5b3ae
[INFO] running `Command { std: "docker" "start" "-a" "fa636ad0dfad16f9cfd8f54695275d45cad267fc56948e1089ee1643cdb5b3ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling over-engineered-fizzbuzz v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `tuple` is never used
[INFO] [stdout]   --> src/fizzbuzz.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Param {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn tuple(self) -> (String, i32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `compute_iter`, `empty`, and `params` are never used
[INFO] [stdout]    --> src/fizzbuzz.rs:87:12
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl FizzBuzz {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn compute_iter<I: Iterator<Item = i32>>(&self, iter: I) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn empty() -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn params(&self) -> Vec<(String, i32)> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fizzbuzz` is never used
[INFO] [stdout]    --> src/fizzbuzz.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub trait FizzBuzzed<I> {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 212 |     fn fizzbuzz(self) -> FizzBuzzIter<I>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "fa636ad0dfad16f9cfd8f54695275d45cad267fc56948e1089ee1643cdb5b3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa636ad0dfad16f9cfd8f54695275d45cad267fc56948e1089ee1643cdb5b3ae", kill_on_drop: false }`
[INFO] [stdout] fa636ad0dfad16f9cfd8f54695275d45cad267fc56948e1089ee1643cdb5b3ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5079f32d810b38cac9aba558c32b02f59cf1622c844c40c46d4423cc39e9071
[INFO] running `Command { std: "docker" "start" "-a" "b5079f32d810b38cac9aba558c32b02f59cf1622c844c40c46d4423cc39e9071", kill_on_drop: false }`
[INFO] [stderr] warning: method `tuple` is never used
[INFO] [stderr]   --> src/fizzbuzz.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Param {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn tuple(self) -> (String, i32) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `compute_iter`, `empty`, and `params` are never used
[INFO] [stderr]    --> src/fizzbuzz.rs:87:12
[INFO] [stderr]     |
[INFO] [stderr]  67 | impl FizzBuzz {
[INFO] [stderr]     | ------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  87 |     pub fn compute_iter<I: Iterator<Item = i32>>(&self, iter: I) -> Vec<String> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     pub fn empty() -> Self {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |     pub fn params(&self) -> Vec<(String, i32)> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fizzbuzz` is never used
[INFO] [stderr]    --> src/fizzbuzz.rs:212:8
[INFO] [stderr]     |
[INFO] [stderr] 203 | pub trait FizzBuzzed<I> {
[INFO] [stderr]     |           ---------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 212 |     fn fizzbuzz(self) -> FizzBuzzIter<I>;
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `over-engineered-fizzbuzz` (bin "over-engineered-fizzbuzz" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/over_engineered_fizzbuzz-00b8a0c01767350a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/over_engineered_fizzbuzz-7df663d75844e5b1)
[INFO] [stderr]    Doc-tests over_engineered_fizzbuzz
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::empty (line 93) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz (line 50) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::default (line 122) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::compute (line 70) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz (line 40) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzzed::fizzbuzz_custom (line 215) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::add (line 183) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzzed::fizzbuzz (line 205) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::add_assign (line 154) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::compute_fizzbuzz (line 244) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::from (line 135) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzzIter (line 273) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzzIter<I>::new (line 291) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::compute_iter (line 81) ... ok
[INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::params (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5079f32d810b38cac9aba558c32b02f59cf1622c844c40c46d4423cc39e9071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5079f32d810b38cac9aba558c32b02f59cf1622c844c40c46d4423cc39e9071", kill_on_drop: false }`
[INFO] [stdout] b5079f32d810b38cac9aba558c32b02f59cf1622c844c40c46d4423cc39e9071
