[INFO] cloning repository https://github.com/PetriHiltula/rolldice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PetriHiltula/rolldice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetriHiltula%2Frolldice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetriHiltula%2Frolldice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bcd8cc8320fb6ca39784919bb3fdb718c38bbac
[INFO] checking PetriHiltula/rolldice against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetriHiltula%2Frolldice" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PetriHiltula/rolldice
[INFO] finished tweaking git repo https://github.com/PetriHiltula/rolldice
[INFO] tweaked toml for git repo https://github.com/PetriHiltula/rolldice written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PetriHiltula/rolldice on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PetriHiltula/rolldice 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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e9ac522d0a275e3cee2e68a3c5beb5cce5a3743d3b2918d22b05b1d97892d69d
[INFO] running `Command { std: "docker" "start" "e9ac522d0a275e3cee2e68a3c5beb5cce5a3743d3b2918d22b05b1d97892d69d", 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" "e9ac522d0a275e3cee2e68a3c5beb5cce5a3743d3b2918d22b05b1d97892d69d" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ac522d0a275e3cee2e68a3c5beb5cce5a3743d3b2918d22b05b1d97892d69d", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9ac522d0a275e3cee2e68a3c5beb5cce5a3743d3b2918d22b05b1d97892d69d" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rolldice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `dice_roll` is never read
[INFO] [stdout]   --> src/main.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut dice_roll: i32 = 0;
[INFO] [stdout]    |                              ^ this value is reassigned later and never used
[INFO] [stdout] 31 |     for n in 0..roll_parts[0] {
[INFO] [stdout] 32 |       dice_roll = roll_dice(roll_parts[1]);
[INFO] [stdout]    |       ------------------------------------ `dice_roll` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Err(e) => { multiplier = 1 }
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         Err(e) => { modifier = 0; }
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `multiplier` is never read
[INFO] [stdout]   --> src/main.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |   let mut multiplier: i32 = 0;
[INFO] [stdout]    |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 66 |         Ok(ok) => { multiplier = ok; },
[INFO] [stdout]    |                     --------------- `multiplier` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `modifier` is never read
[INFO] [stdout]   --> src/main.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |   let mut modifier: i32 = 0;
[INFO] [stdout]    |                           ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 76 |         Ok(ok) => { modifier = ok; },
[INFO] [stdout]    |                     ------------- `modifier` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dice_roll` is never read
[INFO] [stdout]   --> src/main.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut dice_roll: i32 = 0;
[INFO] [stdout]    |                              ^ this value is reassigned later and never used
[INFO] [stdout] 31 |     for n in 0..roll_parts[0] {
[INFO] [stdout] 32 |       dice_roll = roll_dice(roll_parts[1]);
[INFO] [stdout]    |       ------------------------------------ `dice_roll` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Err(e) => { multiplier = 1 }
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         Err(e) => { modifier = 0; }
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `multiplier` is never read
[INFO] [stdout]   --> src/main.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |   let mut multiplier: i32 = 0;
[INFO] [stdout]    |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 66 |         Ok(ok) => { multiplier = ok; },
[INFO] [stdout]    |                     --------------- `multiplier` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `modifier` is never read
[INFO] [stdout]   --> src/main.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |   let mut modifier: i32 = 0;
[INFO] [stdout]    |                           ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 76 |         Ok(ok) => { modifier = ok; },
[INFO] [stdout]    |                     ------------- `modifier` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "e9ac522d0a275e3cee2e68a3c5beb5cce5a3743d3b2918d22b05b1d97892d69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ac522d0a275e3cee2e68a3c5beb5cce5a3743d3b2918d22b05b1d97892d69d", kill_on_drop: false }`
[INFO] [stdout] e9ac522d0a275e3cee2e68a3c5beb5cce5a3743d3b2918d22b05b1d97892d69d
