[INFO] cloning repository https://github.com/roncoejr/rustlearning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roncoejr/rustlearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froncoejr%2Frustlearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froncoejr%2Frustlearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b47a88ad933fd72ea9503efd7a4a39c43c9be36
[INFO] testing roncoejr/rustlearning against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froncoejr%2Frustlearning" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roncoejr/rustlearning on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roncoejr/rustlearning
[INFO] finished tweaking git repo https://github.com/roncoejr/rustlearning
[INFO] tweaked toml for git repo https://github.com/roncoejr/rustlearning written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/roncoejr/rustlearning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] b1a1fd10264c3fbd8685009cccb07ae163a5793cf0ccc0c9304d7eda7bae9926
[INFO] running `Command { std: "docker" "start" "-a" "b1a1fd10264c3fbd8685009cccb07ae163a5793cf0ccc0c9304d7eda7bae9926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1a1fd10264c3fbd8685009cccb07ae163a5793cf0ccc0c9304d7eda7bae9926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a1fd10264c3fbd8685009cccb07ae163a5793cf0ccc0c9304d7eda7bae9926", kill_on_drop: false }`
[INFO] [stdout] b1a1fd10264c3fbd8685009cccb07ae163a5793cf0ccc0c9304d7eda7bae9926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 8f58047482911a2a5f7e20370b049e1357f6d59cc31a7005540964f2b273a547
[INFO] running `Command { std: "docker" "start" "-a" "8f58047482911a2a5f7e20370b049e1357f6d59cc31a7005540964f2b273a547", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/transfer.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let mut counter = 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: function is never used: `withdrawtoken`
[INFO] [stdout]  --> src/withdraw.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn withdrawtoken() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deposittoken`
[INFO] [stdout]  --> src/deposit.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn deposittoken() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `depositvault`
[INFO] [stdout]  --> src/vault.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn depositvault() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transfertoken`
[INFO] [stdout]  --> src/transfer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn transfertoken() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "8f58047482911a2a5f7e20370b049e1357f6d59cc31a7005540964f2b273a547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f58047482911a2a5f7e20370b049e1357f6d59cc31a7005540964f2b273a547", kill_on_drop: false }`
[INFO] [stdout] 8f58047482911a2a5f7e20370b049e1357f6d59cc31a7005540964f2b273a547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 45ae1a88e30c3b61f801d922e3630141d37b4e2c28d7790b7801707efc1f2e58
[INFO] running `Command { std: "docker" "start" "-a" "45ae1a88e30c3b61f801d922e3630141d37b4e2c28d7790b7801707efc1f2e58", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/transfer.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let mut counter = 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: function is never used: `withdrawtoken`
[INFO] [stdout]  --> src/withdraw.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn withdrawtoken() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deposittoken`
[INFO] [stdout]  --> src/deposit.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn deposittoken() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `depositvault`
[INFO] [stdout]  --> src/vault.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn depositvault() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transfertoken`
[INFO] [stdout]  --> src/transfer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn transfertoken() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "45ae1a88e30c3b61f801d922e3630141d37b4e2c28d7790b7801707efc1f2e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ae1a88e30c3b61f801d922e3630141d37b4e2c28d7790b7801707efc1f2e58", kill_on_drop: false }`
[INFO] [stdout] 45ae1a88e30c3b61f801d922e3630141d37b4e2c28d7790b7801707efc1f2e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 493bebf077659aab1d043311289b470baef5fdb7c1c815f4361b670267f450c8
[INFO] running `Command { std: "docker" "start" "-a" "493bebf077659aab1d043311289b470baef5fdb7c1c815f4361b670267f450c8", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/transfer.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |         let mut counter = 0;
[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: `withdrawtoken`
[INFO] [stderr]  --> src/withdraw.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn withdrawtoken() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deposittoken`
[INFO] [stderr]  --> src/deposit.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn deposittoken() {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `depositvault`
[INFO] [stderr]  --> src/vault.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn depositvault() {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transfertoken`
[INFO] [stderr]  --> src/transfer.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn transfertoken() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustlearn` (bin "rustlearn" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustlearn-d0ca7b77b1497213)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "493bebf077659aab1d043311289b470baef5fdb7c1c815f4361b670267f450c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493bebf077659aab1d043311289b470baef5fdb7c1c815f4361b670267f450c8", kill_on_drop: false }`
[INFO] [stdout] 493bebf077659aab1d043311289b470baef5fdb7c1c815f4361b670267f450c8