[INFO] fetching crate discreet 0.1.0...
[INFO] testing discreet-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate discreet 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate discreet 0.1.0
[INFO] finished tweaking crates.io crate discreet 0.1.0
[INFO] tweaked toml for crates.io crate discreet 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate discreet 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate discreet 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | homepage = "https://github.com/MATSMACKE/discreet"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 | repository = "https://github.com/MATSMACKE/discreet"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `discreet` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1
[INFO] running `Command { std: "docker" "start" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | homepage = "https://github.com/MATSMACKE/discreet"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 | repository = "https://github.com/MATSMACKE/discreet"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `discreet` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling discreet-common v0.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling discreet-macros v0.1.0
[INFO] [stderr]    Compiling discreet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `progress` and `grid` are never read
[INFO] [stdout]  --> src/finite_diff_2d.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FiniteDiffMethod2D<Stencil: FiniteDifferenceStencil2D> {
[INFO] [stdout]   |            ------------------ fields in this struct
[INFO] [stdout] 4 |     progress: usize,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     grid: Vec<f64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | homepage = "https://github.com/MATSMACKE/discreet"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 | repository = "https://github.com/MATSMACKE/discreet"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `discreet` (manifest) generated 1 warning
[INFO] [stderr]    Compiling discreet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `progress` and `grid` are never read
[INFO] [stdout]  --> src/finite_diff_2d.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FiniteDiffMethod2D<Stencil: FiniteDifferenceStencil2D> {
[INFO] [stdout]   |            ------------------ fields in this struct
[INFO] [stdout] 4 |     progress: usize,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     grid: Vec<f64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `progress` and `grid` are never read
[INFO] [stdout]  --> src/finite_diff_2d.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FiniteDiffMethod2D<Stencil: FiniteDifferenceStencil2D> {
[INFO] [stdout]   |            ------------------ fields in this struct
[INFO] [stdout] 4 |     progress: usize,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     grid: Vec<f64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | homepage = "https://github.com/MATSMACKE/discreet"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 | repository = "https://github.com/MATSMACKE/discreet"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `discreet` (manifest) generated 1 warning
[INFO] [stderr] warning: fields `progress` and `grid` are never read
[INFO] [stderr]  --> src/finite_diff_2d.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct FiniteDiffMethod2D<Stencil: FiniteDifferenceStencil2D> {
[INFO] [stderr]   |            ------------------ fields in this struct
[INFO] [stderr] 4 |     progress: usize,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     grid: Vec<f64>,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `discreet` (lib) generated 1 warning
[INFO] [stderr] warning: `discreet` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/discreet/9d50ea07d7831978/out/discreet-9d50ea07d7831978)
[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]    Doc-tests discreet
[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] running `Command { std: "docker" "inspect" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1", kill_on_drop: false }`
[INFO] [stdout] 9ba7dd70988486437e5ae757f7bfdb07f51f54f5e28b04e16f41837586cce3a1
