[INFO] cloning repository https://github.com/social-anthrax/iads_week1_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/social-anthrax/iads_week1_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsocial-anthrax%2Fiads_week1_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsocial-anthrax%2Fiads_week1_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36a59ebacfd05472f99f6be9df32a84732acd895
[INFO] checking social-anthrax/iads_week1_practice against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsocial-anthrax%2Fiads_week1_practice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/social-anthrax/iads_week1_practice
[INFO] finished tweaking git repo https://github.com/social-anthrax/iads_week1_practice
[INFO] tweaked toml for git repo https://github.com/social-anthrax/iads_week1_practice written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/social-anthrax/iads_week1_practice on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/social-anthrax/iads_week1_practice 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] [stderr]   Downloaded libc v0.2.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42aa69ad4e3697e719269dfd909dfa3fc9e3064626ff510272f385c214cd8ca6
[INFO] running `Command { std: "docker" "start" "-a" "42aa69ad4e3697e719269dfd909dfa3fc9e3064626ff510272f385c214cd8ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42aa69ad4e3697e719269dfd909dfa3fc9e3064626ff510272f385c214cd8ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42aa69ad4e3697e719269dfd909dfa3fc9e3064626ff510272f385c214cd8ca6", kill_on_drop: false }`
[INFO] [stdout] 42aa69ad4e3697e719269dfd909dfa3fc9e3064626ff510272f385c214cd8ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d369a18f21c4a06e54aac6d147b24e67423b4fa51a9950417834be2a441bd53
[INFO] running `Command { std: "docker" "start" "-a" "8d369a18f21c4a06e54aac6d147b24e67423b4fa51a9950417834be2a441bd53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking week1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use(quickcheck)]
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]  --> src/sorting_algos/insertion_sort.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |             a[(j + 1)] = a[j];
[INFO] [stdout]   |               ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -             a[(j + 1)] = a[j];
[INFO] [stdout] 9 +             a[j + 1] = a[j];
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]  --> src/sorting_algos/insertion_sort.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |             a[(j + 1)] = a[j];
[INFO] [stdout]   |               ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -             a[(j + 1)] = a[j];
[INFO] [stdout] 9 +             a[j + 1] = a[j];
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]  --> src/sorting_algos/insertion_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sort<T: PartialOrd + Copy + Ord>(a: &mut Vec<T>) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort2` is never used
[INFO] [stdout]   --> src/sorting_algos/insertion_sort.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn sort2<T: PartialOrd + Copy + Ord>(a: &mut Vec<T>) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_predicate` is never used
[INFO] [stdout]   --> src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn test_predicate(a:i8, n:i8, m:i8 ) -> bool{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "8d369a18f21c4a06e54aac6d147b24e67423b4fa51a9950417834be2a441bd53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d369a18f21c4a06e54aac6d147b24e67423b4fa51a9950417834be2a441bd53", kill_on_drop: false }`
[INFO] [stdout] 8d369a18f21c4a06e54aac6d147b24e67423b4fa51a9950417834be2a441bd53