[INFO] cloning repository https://github.com/chipbuster/toy-eisel-lemire
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chipbuster/toy-eisel-lemire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchipbuster%2Ftoy-eisel-lemire", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchipbuster%2Ftoy-eisel-lemire'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 239a82d28809e7174dd3f9f8dde9b3cbb6896694
[INFO] checking chipbuster/toy-eisel-lemire against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchipbuster%2Ftoy-eisel-lemire" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chipbuster/toy-eisel-lemire
[INFO] finished tweaking git repo https://github.com/chipbuster/toy-eisel-lemire
[INFO] tweaked toml for git repo https://github.com/chipbuster/toy-eisel-lemire written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chipbuster/toy-eisel-lemire on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chipbuster/toy-eisel-lemire 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d85320f00959d116287aaccdf6d69e2396f4034465c37691d5efcae7d410c2ac
[INFO] running `Command { std: "docker" "start" "-a" "d85320f00959d116287aaccdf6d69e2396f4034465c37691d5efcae7d410c2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d85320f00959d116287aaccdf6d69e2396f4034465c37691d5efcae7d410c2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85320f00959d116287aaccdf6d69e2396f4034465c37691d5efcae7d410c2ac", kill_on_drop: false }`
[INFO] [stdout] d85320f00959d116287aaccdf6d69e2396f4034465c37691d5efcae7d410c2ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97c29e1e26d8ae1b928b8db765612525fc8a1bebe14bf1c633d6b8698c50f929
[INFO] running `Command { std: "docker" "start" "-a" "97c29e1e26d8ae1b928b8db765612525fc8a1bebe14bf1c633d6b8698c50f929", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling eisel-lemire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `lut_e10_max`, `lut_e10_min`, and `self`
[INFO] [stdout]  --> src/elparse.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lookups::{self, lut_e10_min, lut_e10_max, get_m64, get_narrowbiased_e2};
[INFO] [stdout]   |                      ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `lut_e10_max`, `lut_e10_min`, and `self`
[INFO] [stdout]  --> src/elparse.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lookups::{self, lut_e10_min, lut_e10_max, get_m64, get_narrowbiased_e2};
[INFO] [stdout]   |                      ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]    --> src/elparse.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use rand::random;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `neg`
[INFO] [stdout]   --> src/elparse.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let ManExp10 { neg, man, e10 } = parse_man_exp10(input)?;
[INFO] [stdout]    |                    ^^^ help: try ignoring the field: `neg: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adje2`
[INFO] [stdout]   --> src/elparse.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let adje2 = narrowbiased_e2 - i16::try_from(man.leading_zeros()).ok()?;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_adje2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `whi`
[INFO] [stdout]   --> src/elparse.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let whi = u64::from_le_bytes(whi_bytes.try_into().unwrap());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_whi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wlo`
[INFO] [stdout]   --> src/elparse.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let wlo = u64::from_le_bytes(wlo_bytes.try_into().unwrap());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_wlo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `exp10` is never read
[INFO] [stdout]    --> src/elparse.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut exp10 = 0i64;
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BIAS` is never used
[INFO] [stdout]   --> src/lookups.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const BIAS: i16 = 1214;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `neg`
[INFO] [stdout]   --> src/elparse.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let ManExp10 { neg, man, e10 } = parse_man_exp10(input)?;
[INFO] [stdout]    |                    ^^^ help: try ignoring the field: `neg: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adje2`
[INFO] [stdout]   --> src/elparse.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let adje2 = narrowbiased_e2 - i16::try_from(man.leading_zeros()).ok()?;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_adje2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `whi`
[INFO] [stdout]   --> src/elparse.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let whi = u64::from_le_bytes(whi_bytes.try_into().unwrap());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_whi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wlo`
[INFO] [stdout]   --> src/elparse.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let wlo = u64::from_le_bytes(wlo_bytes.try_into().unwrap());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_wlo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `exp10` is never read
[INFO] [stdout]    --> src/elparse.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut exp10 = 0i64;
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i16, Infallible>
[INFO] [stdout]    --> src/lookups.rs:151:27
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let e2: i16 = i16::try_from(e2).unwrap() - BIAS;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i16, Infallible>
[INFO] [stdout]    --> src/lookups.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let e2: i16 = i16::try_from(e2).unwrap() - BIAS;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/elparse.rs:270:35
[INFO] [stdout]     |
[INFO] [stdout] 270 |             assert_eq!(testout, *o.clone(), "Parsing {} should have resulted in {:?} but got {:?}", i, o, testout);
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Option<ManExp10>` does not implement `Clone`, so calling `clone` on `&Option<ManExp10>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 270 -             assert_eq!(testout, *o.clone(), "Parsing {} should have resulted in {:?} but got {:?}", i, o, testout);
[INFO] [stdout] 270 +             assert_eq!(testout, *o, "Parsing {} should have resulted in {:?} but got {:?}", i, o, testout);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eisel-lemire` (lib test) due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "97c29e1e26d8ae1b928b8db765612525fc8a1bebe14bf1c633d6b8698c50f929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c29e1e26d8ae1b928b8db765612525fc8a1bebe14bf1c633d6b8698c50f929", kill_on_drop: false }`
[INFO] [stdout] 97c29e1e26d8ae1b928b8db765612525fc8a1bebe14bf1c633d6b8698c50f929
