[INFO] cloning repository https://github.com/Paulswith/euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Paulswith/euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulswith%2Feuler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulswith%2Feuler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 932203a1711d67afc53dfe672ee55e0e7f8b8b31
[INFO] testing Paulswith/euler against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulswith%2Feuler" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Paulswith/euler on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Paulswith/euler
[INFO] finished tweaking git repo https://github.com/Paulswith/euler
[INFO] tweaked toml for git repo https://github.com/Paulswith/euler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Paulswith/euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 046442f02a56dbc25818c2dd1849f564f2738a616b27175499336e49d6d429a3
[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" "046442f02a56dbc25818c2dd1849f564f2738a616b27175499336e49d6d429a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "046442f02a56dbc25818c2dd1849f564f2738a616b27175499336e49d6d429a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046442f02a56dbc25818c2dd1849f564f2738a616b27175499336e49d6d429a3", kill_on_drop: false }`
[INFO] [stdout] 046442f02a56dbc25818c2dd1849f564f2738a616b27175499336e49d6d429a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5940fb6a330217ac647ea2f65bf6a023e5b9cdf5012ebd3f0b0aa52ff18e6ed
[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" "e5940fb6a330217ac647ea2f65bf6a023e5b9cdf5012ebd3f0b0aa52ff18e6ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use std::cmp::max;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_factors`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut prime_factors: Vec<u64> = vec![];
[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: function is never used: `primes`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "e5940fb6a330217ac647ea2f65bf6a023e5b9cdf5012ebd3f0b0aa52ff18e6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5940fb6a330217ac647ea2f65bf6a023e5b9cdf5012ebd3f0b0aa52ff18e6ed", kill_on_drop: false }`
[INFO] [stdout] e5940fb6a330217ac647ea2f65bf6a023e5b9cdf5012ebd3f0b0aa52ff18e6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc394b729148f9211c2a7b3548a3c12e4104d29690eb0a07bfb32fe626cb6a6
[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" "8bc394b729148f9211c2a7b3548a3c12e4104d29690eb0a07bfb32fe626cb6a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use std::cmp::max;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_factors`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut prime_factors: Vec<u64> = vec![];
[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: function is never used: `primes`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use std::cmp::max;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_factors`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut prime_factors: Vec<u64> = vec![];
[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: function is never used: `primes`
[INFO] [stdout]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "8bc394b729148f9211c2a7b3548a3c12e4104d29690eb0a07bfb32fe626cb6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc394b729148f9211c2a7b3548a3c12e4104d29690eb0a07bfb32fe626cb6a6", kill_on_drop: false }`
[INFO] [stdout] 8bc394b729148f9211c2a7b3548a3c12e4104d29690eb0a07bfb32fe626cb6a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] c556920143d9de118fc864509283e668525b47e3f66b82d926addcad3f35a13d
[INFO] running `Command { std: "docker" "start" "-a" "c556920143d9de118fc864509283e668525b47e3f66b82d926addcad3f35a13d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::cmp::max;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::cmp::max;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_factors`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_factors`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `primes`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `primes`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-543dcfc4f367d139
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-7db90022515204a0
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests euler
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c556920143d9de118fc864509283e668525b47e3f66b82d926addcad3f35a13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c556920143d9de118fc864509283e668525b47e3f66b82d926addcad3f35a13d", kill_on_drop: false }`
[INFO] [stdout] c556920143d9de118fc864509283e668525b47e3f66b82d926addcad3f35a13d
