[INFO] fetching crate sputnikvm-bigint 0.2.0...
[INFO] testing sputnikvm-bigint-0.2.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate sputnikvm-bigint 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sputnikvm-bigint 0.2.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sputnikvm-bigint 0.2.0
[INFO] finished tweaking crates.io crate sputnikvm-bigint 0.2.0
[INFO] tweaked toml for crates.io crate sputnikvm-bigint 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sputnikvm-rlp v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3b1ce42f2142a6586cd67a1386761dfac8f23a734a6a6278cad455abceec976
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3b1ce42f2142a6586cd67a1386761dfac8f23a734a6a6278cad455abceec976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3b1ce42f2142a6586cd67a1386761dfac8f23a734a6a6278cad455abceec976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b1ce42f2142a6586cd67a1386761dfac8f23a734a6a6278cad455abceec976", kill_on_drop: false }`
[INFO] [stdout] c3b1ce42f2142a6586cd67a1386761dfac8f23a734a6a6278cad455abceec976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2eaa02042aba66a59e00d55e4cf948752f1e263945a9819eddcecdb2215c950
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c2eaa02042aba66a59e00d55e4cf948752f1e263945a9819eddcecdb2215c950", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling sputnikvm-rlp v0.2.0
[INFO] [stderr]    Compiling sputnikvm-bigint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `ZERO_BIG_DIGIT`
[INFO] [stdout]   --> src/algorithms.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_doublebigdigit`
[INFO] [stdout]   --> src/algorithms.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inc`
[INFO] [stdout]   --> src/algorithms.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn inc(a: &mut [BigDigit]) -> BigDigit {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "c2eaa02042aba66a59e00d55e4cf948752f1e263945a9819eddcecdb2215c950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2eaa02042aba66a59e00d55e4cf948752f1e263945a9819eddcecdb2215c950", kill_on_drop: false }`
[INFO] [stdout] c2eaa02042aba66a59e00d55e4cf948752f1e263945a9819eddcecdb2215c950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea0c75d2638ccae5fe325b4293b8cfff48bf77ecd9a8f60df6ba5714dd7a957
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ea0c75d2638ccae5fe325b4293b8cfff48bf77ecd9a8f60df6ba5714dd7a957", kill_on_drop: false }`
[INFO] [stderr]    Compiling sputnikvm-bigint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `ZERO_BIG_DIGIT`
[INFO] [stdout]   --> src/algorithms.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_doublebigdigit`
[INFO] [stdout]   --> src/algorithms.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inc`
[INFO] [stdout]   --> src/algorithms.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn inc(a: &mut [BigDigit]) -> BigDigit {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ZERO_BIG_DIGIT`
[INFO] [stdout]   --> src/algorithms.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_doublebigdigit`
[INFO] [stdout]   --> src/algorithms.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inc`
[INFO] [stdout]   --> src/algorithms.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn inc(a: &mut [BigDigit]) -> BigDigit {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "5ea0c75d2638ccae5fe325b4293b8cfff48bf77ecd9a8f60df6ba5714dd7a957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea0c75d2638ccae5fe325b4293b8cfff48bf77ecd9a8f60df6ba5714dd7a957", kill_on_drop: false }`
[INFO] [stdout] 5ea0c75d2638ccae5fe325b4293b8cfff48bf77ecd9a8f60df6ba5714dd7a957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1616541e6b6fce6e45e8294105e3968e87a4258590897e9b23301eb86be230e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1616541e6b6fce6e45e8294105e3968e87a4258590897e9b23301eb86be230e2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: constant is never used: `ZERO_BIG_DIGIT`
[INFO] [stdout] running 5 tests
[INFO] [stderr]   --> src/algorithms.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_doublebigdigit`
[INFO] [stderr]   --> src/algorithms.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inc`
[INFO] [stderr]   --> src/algorithms.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn inc(a: &mut [BigDigit]) -> BigDigit {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ZERO_BIG_DIGIT`
[INFO] [stderr]   --> src/algorithms.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_doublebigdigit`
[INFO] [stderr]   --> src/algorithms.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inc`
[INFO] [stderr]   --> src/algorithms.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn inc(a: &mut [BigDigit]) -> BigDigit {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sputnikvm_bigint-2db00c9c675ff61b)
[INFO] [stdout] test mi256::tests::m256 ... ok
[INFO] [stderr]    Doc-tests sputnikvm-bigint
[INFO] [stdout] test mi256::tests::sdiv ... ok
[INFO] [stdout] test u256::tests::mul ... ok
[INFO] [stdout] test m256::tests::sub ... ok
[INFO] [stdout] test u256::tests::div ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "1616541e6b6fce6e45e8294105e3968e87a4258590897e9b23301eb86be230e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1616541e6b6fce6e45e8294105e3968e87a4258590897e9b23301eb86be230e2", kill_on_drop: false }`
[INFO] [stdout] 1616541e6b6fce6e45e8294105e3968e87a4258590897e9b23301eb86be230e2