[INFO] cloning repository https://github.com/dhbradshaw/ProjectEulerFastRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhbradshaw/ProjectEulerFastRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhbradshaw%2FProjectEulerFastRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhbradshaw%2FProjectEulerFastRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 159abc2b6a3280290eec227a86780fa6505fbb51
[INFO] checking dhbradshaw/ProjectEulerFastRust against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhbradshaw%2FProjectEulerFastRust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhbradshaw/ProjectEulerFastRust on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhbradshaw/ProjectEulerFastRust
[INFO] finished tweaking git repo https://github.com/dhbradshaw/ProjectEulerFastRust
[INFO] tweaked toml for git repo https://github.com/dhbradshaw/ProjectEulerFastRust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dhbradshaw/ProjectEulerFastRust 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutohedron v0.2.2
[INFO] [stderr]   Downloaded arrayvec v0.4.0
[INFO] [stderr]   Downloaded bencher v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 970bdb164878a309f47a12a72408a90b0e9c4c01b8e71e89b4474c8e00720aa5
[INFO] running `Command { std: "docker" "start" "-a" "970bdb164878a309f47a12a72408a90b0e9c4c01b8e71e89b4474c8e00720aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "970bdb164878a309f47a12a72408a90b0e9c4c01b8e71e89b4474c8e00720aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970bdb164878a309f47a12a72408a90b0e9c4c01b8e71e89b4474c8e00720aa5", kill_on_drop: false }`
[INFO] [stdout] 970bdb164878a309f47a12a72408a90b0e9c4c01b8e71e89b4474c8e00720aa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7409ac33f63477a025ab8d2d5c737071b84432fdc9525d239e3a99d8ca60f36
[INFO] running `Command { std: "docker" "start" "-a" "f7409ac33f63477a025ab8d2d5c737071b84432fdc9525d239e3a99d8ca60f36", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking permutohedron v0.2.2
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking bencher v0.1.4
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking arrayvec v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking eulerrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/problems.rs:907:10
[INFO] [stdout]     |
[INFO] [stdout] 907 |         2...8 => {
[INFO] [stdout]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/problems.rs:907:10
[INFO] [stdout]     |
[INFO] [stdout] 907 |         2...8 => {
[INFO] [stdout]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b01` is never used
[INFO] [stdout]  --> benches/eulerrust.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn b01(bench: &mut Bencher) {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b02` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn b02(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b03` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn b03(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b04` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn b04(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b05` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn b05(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b06` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn b06(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b07` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn b07(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b08` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn b08(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b09` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn b09(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b10` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn b10(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b11` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn b11(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b12` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn b12(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b13` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn b13(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b15` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn b15(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b16` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn b16(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b17` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn b17(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b18` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn b18(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b19` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn b19(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b20` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn b20(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b21` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn b21(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b22` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn b22(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b23` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn b23(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b24` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn b24(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b25` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn b25(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b26` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn b26(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b27` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn b27(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b28` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn b28(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b29` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn b29(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b30` is never used
[INFO] [stdout]   --> benches/eulerrust.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn b30(bench: &mut Bencher) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b31` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn b31(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b32` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn b32(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b33` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn b33(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b34` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn b34(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b35` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn b35(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b36` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn b36(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b37` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn b37(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b38` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn b38(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b39` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn b39(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b40` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn b40(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b41` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn b41(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b42` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn b42(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b43` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn b43(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b44` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn b44(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b45` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn b45(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b46` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn b46(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b47` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn b47(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b48` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn b48(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b49` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn b49(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b50` is never used
[INFO] [stdout]    --> benches/eulerrust.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn b50(bench: &mut Bencher) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f7409ac33f63477a025ab8d2d5c737071b84432fdc9525d239e3a99d8ca60f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7409ac33f63477a025ab8d2d5c737071b84432fdc9525d239e3a99d8ca60f36", kill_on_drop: false }`
[INFO] [stdout] f7409ac33f63477a025ab8d2d5c737071b84432fdc9525d239e3a99d8ca60f36
[INFO] checking dhbradshaw/ProjectEulerFastRust against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhbradshaw%2FProjectEulerFastRust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhbradshaw/ProjectEulerFastRust on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhbradshaw/ProjectEulerFastRust
[INFO] finished tweaking git repo https://github.com/dhbradshaw/ProjectEulerFastRust
[INFO] tweaked toml for git repo https://github.com/dhbradshaw/ProjectEulerFastRust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dhbradshaw/ProjectEulerFastRust 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f11bc3118b7af0a255f0630f9c499465052e2c921fb6b5cc212aa86ec75b5a5
[INFO] running `Command { std: "docker" "start" "-a" "1f11bc3118b7af0a255f0630f9c499465052e2c921fb6b5cc212aa86ec75b5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f11bc3118b7af0a255f0630f9c499465052e2c921fb6b5cc212aa86ec75b5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f11bc3118b7af0a255f0630f9c499465052e2c921fb6b5cc212aa86ec75b5a5", kill_on_drop: false }`
[INFO] [stdout] 1f11bc3118b7af0a255f0630f9c499465052e2c921fb6b5cc212aa86ec75b5a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7a77da458016d009ed901dde44a88f8b536f9af5e78539cc19800481321381
[INFO] running `Command { std: "docker" "start" "-a" "0f7a77da458016d009ed901dde44a88f8b536f9af5e78539cc19800481321381", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking permutohedron v0.2.2
[INFO] [stderr]     Checking bencher v0.1.4
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/aa7c6ba69acce8b10a275eabfe6157ea72c8b599/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking arrayvec v0.4.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f7a77da458016d009ed901dde44a88f8b536f9af5e78539cc19800481321381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7a77da458016d009ed901dde44a88f8b536f9af5e78539cc19800481321381", kill_on_drop: false }`
[INFO] [stdout] 0f7a77da458016d009ed901dde44a88f8b536f9af5e78539cc19800481321381