[INFO] cloning repository https://github.com/litetokensdev/powersoftau
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/litetokensdev/powersoftau" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flitetokensdev%2Fpowersoftau", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flitetokensdev%2Fpowersoftau'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 930d3d81d13f195a6a75f556a853888925ac945c
[INFO] checking litetokensdev/powersoftau against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flitetokensdev%2Fpowersoftau" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/litetokensdev/powersoftau on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/litetokensdev/powersoftau
[INFO] finished tweaking git repo https://github.com/litetokensdev/powersoftau
[INFO] tweaked toml for git repo https://github.com/litetokensdev/powersoftau written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/litetokensdev/powersoftau already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.3.0
[INFO] [stderr]   Downloaded blake2 v0.6.1
[INFO] [stderr]   Downloaded pairing v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 940b9b3771ac752132cf838ba4a3f763ba4b9d92d63e7be1cffa41b26dbfd52c
[INFO] running `Command { std: "docker" "start" "-a" "940b9b3771ac752132cf838ba4a3f763ba4b9d92d63e7be1cffa41b26dbfd52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "940b9b3771ac752132cf838ba4a3f763ba4b9d92d63e7be1cffa41b26dbfd52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940b9b3771ac752132cf838ba4a3f763ba4b9d92d63e7be1cffa41b26dbfd52c", kill_on_drop: false }`
[INFO] [stdout] 940b9b3771ac752132cf838ba4a3f763ba4b9d92d63e7be1cffa41b26dbfd52c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5a37c0b799650b3abac7e87ae78920c563da6620c5404f4705c5c0416d3c433
[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" "b5a37c0b799650b3abac7e87ae78920c563da6620c5404f4705c5c0416d3c433", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking crossbeam v0.3.0
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking pairing v0.13.0
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking blake2 v0.6.1
[INFO] [stderr]     Checking powersoftau v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 | const TAU_POWERS_LENGTH: usize = (1 << 21);
[INFO] [stdout]    |                                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 | const TAU_POWERS_LENGTH: usize = (1 << 21);
[INFO] [stdout]    |                                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:664:21
[INFO] [stdout]     |
[INFO] [stdout] 44  | use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                 --- the item `Arc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:664:26
[INFO] [stdout]     |
[INFO] [stdout] 44  | use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                      ----- the item `Mutex` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:664:21
[INFO] [stdout]     |
[INFO] [stdout] 44  | use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                 --- the item `Arc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:664:26
[INFO] [stdout]     |
[INFO] [stdout] 44  | use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                      ----- the item `Mutex` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "b5a37c0b799650b3abac7e87ae78920c563da6620c5404f4705c5c0416d3c433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a37c0b799650b3abac7e87ae78920c563da6620c5404f4705c5c0416d3c433", kill_on_drop: false }`
[INFO] [stdout] b5a37c0b799650b3abac7e87ae78920c563da6620c5404f4705c5c0416d3c433