[INFO] fetching crate crcp 0.3.5...
[INFO] checking crcp-0.3.5 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate crcp 0.3.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate crcp 0.3.5 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crcp 0.3.5
[INFO] finished tweaking crates.io crate crcp 0.3.5
[INFO] tweaked toml for crates.io crate crcp 0.3.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate crcp 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef9f12613032ada47858bc325e90515024c3ac3734ec322a9dda39c9484017c9
[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" "ef9f12613032ada47858bc325e90515024c3ac3734ec322a9dda39c9484017c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef9f12613032ada47858bc325e90515024c3ac3734ec322a9dda39c9484017c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9f12613032ada47858bc325e90515024c3ac3734ec322a9dda39c9484017c9", kill_on_drop: false }`
[INFO] [stdout] ef9f12613032ada47858bc325e90515024c3ac3734ec322a9dda39c9484017c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c248ba441428b28d4247d2b03b4a7c8cbd60486619333714e96603c989e8faa5
[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" "c248ba441428b28d4247d2b03b4a7c8cbd60486619333714e96603c989e8faa5", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking crcp v0.3.5 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/distribution_map.rs (1 fix)
[INFO] [stderr]        Fixed src/main.rs (10 fixes)
[INFO] [stdout] warning: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stdout]    --> src/main.rs:293:17
[INFO] [stdout]     |
[INFO] [stdout] 293 |                 dualdistance_distribution_calculated = true;
[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: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stdout]    --> src/main.rs:293:17
[INFO] [stdout]     |
[INFO] [stdout] 293 |                 dualdistance_distribution_calculated = true;
[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: constant is never used: `START_POL`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const START_POL: u64 = 0x200001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_POL`
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const END_POL: u64 = 0x3fffff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/main.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let G = grid_base.as_mut_slice();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `START_POL`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const START_POL: u64 = 0x200001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_POL`
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const END_POL: u64 = 0x3fffff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/main.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let G = grid_base.as_mut_slice();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.17s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking crcp v0.3.5 (/tmp/fixit)
[INFO] [stdout] warning: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stdout]    --> src/main.rs:293:17
[INFO] [stdout]     |
[INFO] [stdout] 293 |                 dualdistance_distribution_calculated = true;
[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: constant is never used: `START_POL`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const START_POL: u64 = 0x200001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_POL`
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const END_POL: u64 = 0x3fffff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/main.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let G = grid_base.as_mut_slice();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stdout]    --> src/main.rs:293:17
[INFO] [stdout]     |
[INFO] [stdout] 293 |                 dualdistance_distribution_calculated = true;
[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: constant is never used: `START_POL`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const START_POL: u64 = 0x200001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_POL`
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const END_POL: u64 = 0x3fffff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/main.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let G = grid_base.as_mut_slice();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "c248ba441428b28d4247d2b03b4a7c8cbd60486619333714e96603c989e8faa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c248ba441428b28d4247d2b03b4a7c8cbd60486619333714e96603c989e8faa5", kill_on_drop: false }`
[INFO] [stdout] c248ba441428b28d4247d2b03b4a7c8cbd60486619333714e96603c989e8faa5