[INFO] cloning repository https://github.com/ajpierce/euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajpierce/euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajpierce%2Feuler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajpierce%2Feuler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 606b682bd8daf7e9449a46b589098f0c63ec4746
[INFO] testing ajpierce/euler-rust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajpierce%2Feuler-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajpierce/euler-rust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ajpierce/euler-rust
[INFO] finished tweaking git repo https://github.com/ajpierce/euler-rust
[INFO] tweaked toml for git repo https://github.com/ajpierce/euler-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ajpierce/euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primes v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21184247314f7a5f65845c0f9b753e9529b2b2f88557c3343fb4307a7858ab01
[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" "21184247314f7a5f65845c0f9b753e9529b2b2f88557c3343fb4307a7858ab01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21184247314f7a5f65845c0f9b753e9529b2b2f88557c3343fb4307a7858ab01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21184247314f7a5f65845c0f9b753e9529b2b2f88557c3343fb4307a7858ab01", kill_on_drop: false }`
[INFO] [stdout] 21184247314f7a5f65845c0f9b753e9529b2b2f88557c3343fb4307a7858ab01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e8c021dd42272e06cc73d5d04dcee0fdb0919474f80d5a16e99574feb31ebf3
[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" "6e8c021dd42272e06cc73d5d04dcee0fdb0919474f80d5a16e99574feb31ebf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling primes v0.2.0
[INFO] [stderr]    Compiling euler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]  --> src/p005.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use test::Bencher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/p005.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |         } else if (answer % 20 == 0) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `for_sum`
[INFO] [stdout]   --> src/p001.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn for_sum(max: i32) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_while`
[INFO] [stdout]   --> src/p002.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn solve_while(limit: u32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_for`
[INFO] [stdout]   --> src/p002.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solve_for(limit: u32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_takewhile`
[INFO] [stdout]   --> src/p002.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn solve_takewhile(limit: u32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_takewhile_filter_mutable`
[INFO] [stdout]   --> src/p002.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn solve_takewhile_filter_mutable(limit: u32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_big`
[INFO] [stdout]   --> src/p005.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn solve_big(min: u64, max: u64) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_vbig`
[INFO] [stdout]   --> src/p005.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn solve_vbig(min: u64, max: u64) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "6e8c021dd42272e06cc73d5d04dcee0fdb0919474f80d5a16e99574feb31ebf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8c021dd42272e06cc73d5d04dcee0fdb0919474f80d5a16e99574feb31ebf3", kill_on_drop: false }`
[INFO] [stdout] 6e8c021dd42272e06cc73d5d04dcee0fdb0919474f80d5a16e99574feb31ebf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f67d3c969a324c7f6ec659e6ee237497e7b41342bb25275ab85fe87a2d32b16
[INFO] running `Command { std: "docker" "start" "-a" "1f67d3c969a324c7f6ec659e6ee237497e7b41342bb25275ab85fe87a2d32b16", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/p005.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |         } else if (answer % 20 == 0) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "1f67d3c969a324c7f6ec659e6ee237497e7b41342bb25275ab85fe87a2d32b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f67d3c969a324c7f6ec659e6ee237497e7b41342bb25275ab85fe87a2d32b16", kill_on_drop: false }`
[INFO] [stdout] 1f67d3c969a324c7f6ec659e6ee237497e7b41342bb25275ab85fe87a2d32b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b75448dd76cb97d4769ec0d3a8a5ebb07b17ccc2a0a0109eb32bcc315d55598
[INFO] running `Command { std: "docker" "start" "-a" "7b75448dd76cb97d4769ec0d3a8a5ebb07b17ccc2a0a0109eb32bcc315d55598", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/p005.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         } else if (answer % 20 == 0) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler_rust-c0f231b1912ee27d
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test p002::bench_while_sum ... ok
[INFO] [stdout] test p002::bench_for_sum ... ok
[INFO] [stdout] test p002::bench_takewhile_sum ... ok
[INFO] [stdout] test p002::bench_takewhile_filter_mutable_sum ... ok
[INFO] [stdout] test p001::bench_for_sum ... ok
[INFO] [stdout] test p002::bench_takewhile_filter_sum ... ok
[INFO] [stdout] test p001::bench_fold_sum ... ok
[INFO] [stdout] test p005::p5_fold ... ok
[INFO] [stdout] test p004::p4_chars_naive_less_multiplication ... ok
[INFO] [stdout] test p004::p4 ... ok
[INFO] [stdout] test p004::p4_cast_deref ... ok
[INFO] [stdout] test p004::p4_chars_naive ... ok
[INFO] [stdout] test p005::p5_v_big_step ... ok
[INFO] [stdout] test p004::p4_collect ... ok
[INFO] [stdout] test p004::p4_cast ... ok
[INFO] [stdout] test p003::bench_solution ... ok
[INFO] [stdout] test p005::p5_big_step ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b75448dd76cb97d4769ec0d3a8a5ebb07b17ccc2a0a0109eb32bcc315d55598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b75448dd76cb97d4769ec0d3a8a5ebb07b17ccc2a0a0109eb32bcc315d55598", kill_on_drop: false }`
[INFO] [stdout] 7b75448dd76cb97d4769ec0d3a8a5ebb07b17ccc2a0a0109eb32bcc315d55598