[INFO] fetching crate colossal 1.0.1...
[INFO] checking colossal-1.0.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate colossal 1.0.1 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate colossal 1.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colossal 1.0.1
[INFO] finished tweaking crates.io crate colossal 1.0.1
[INFO] tweaked toml for crates.io crate colossal 1.0.1 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate colossal 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c438c3e8a6c45eb7b66b96213b82339fa3916a03f34fd959067c7b72218995f6
[INFO] running `Command { std: "docker" "start" "-a" "c438c3e8a6c45eb7b66b96213b82339fa3916a03f34fd959067c7b72218995f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c438c3e8a6c45eb7b66b96213b82339fa3916a03f34fd959067c7b72218995f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c438c3e8a6c45eb7b66b96213b82339fa3916a03f34fd959067c7b72218995f6", kill_on_drop: false }`
[INFO] [stdout] c438c3e8a6c45eb7b66b96213b82339fa3916a03f34fd959067c7b72218995f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b61af1eae9159db84c95c199b8e36aebf6f94476ab72954ad0bca72a2496a8c7
[INFO] running `Command { std: "docker" "start" "-a" "b61af1eae9159db84c95c199b8e36aebf6f94476ab72954ad0bca72a2496a8c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking colossal v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut i = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ilong` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut ilong = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_ilong` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dtot` is never read
[INFO] [stdout]    --> src/main.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let mut dtot = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ran`
[INFO] [stdout]    --> src/main.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut ran = 0.0;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ran`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut default = Array::new(300);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `setup`
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let setup = 1;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_setup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ilong` is never read
[INFO] [stdout]    --> src/main.rs:431:21
[INFO] [stdout]     |
[INFO] [stdout] 431 |                     ilong = 1;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/main.rs:1530:13
[INFO] [stdout]      |
[INFO] [stdout] 1530 |         for i in 1..=idist {
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/main.rs:1539:13
[INFO] [stdout]      |
[INFO] [stdout] 1539 |         for i in 1..=dist {
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut i = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ilong` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut ilong = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_ilong` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dtot` is never read
[INFO] [stdout]    --> src/main.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let mut dtot = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ran`
[INFO] [stdout]    --> src/main.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut ran = 0.0;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ran`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]    --> src/main.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut default = Array::new(300);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `setup`
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let setup = 1;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_setup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ilong` is never read
[INFO] [stdout]    --> src/main.rs:431:21
[INFO] [stdout]     |
[INFO] [stdout] 431 |                     ilong = 1;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/main.rs:1530:13
[INFO] [stdout]      |
[INFO] [stdout] 1530 |         for i in 1..=idist {
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/main.rs:1539:13
[INFO] [stdout]      |
[INFO] [stdout] 1539 |         for i in 1..=dist {
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut ran = 0.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut default = Array::new(300);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut ran = 0.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut default = Array::new(300);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "b61af1eae9159db84c95c199b8e36aebf6f94476ab72954ad0bca72a2496a8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61af1eae9159db84c95c199b8e36aebf6f94476ab72954ad0bca72a2496a8c7", kill_on_drop: false }`
[INFO] [stdout] b61af1eae9159db84c95c199b8e36aebf6f94476ab72954ad0bca72a2496a8c7
