[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froncoejr%2Frustlearning" "/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/roncoejr/rustlearning on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32c12bb5caa305d243076392b413ca42405719005052c77a88de5d38db213a87
[INFO] running `Command { std: "docker" "start" "-a" "32c12bb5caa305d243076392b413ca42405719005052c77a88de5d38db213a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32c12bb5caa305d243076392b413ca42405719005052c77a88de5d38db213a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c12bb5caa305d243076392b413ca42405719005052c77a88de5d38db213a87", kill_on_drop: false }`
[INFO] [stdout] 32c12bb5caa305d243076392b413ca42405719005052c77a88de5d38db213a87
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a4e30497d43c388824ebb84ee3bcd0176570024584bdcaa446a6a3fa425936
[INFO] running `Command { std: "docker" "start" "-a" "d1a4e30497d43c388824ebb84ee3bcd0176570024584bdcaa446a6a3fa425936", 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 0.62s
[INFO] running `Command { std: "docker" "inspect" "d1a4e30497d43c388824ebb84ee3bcd0176570024584bdcaa446a6a3fa425936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a4e30497d43c388824ebb84ee3bcd0176570024584bdcaa446a6a3fa425936", kill_on_drop: false }`
[INFO] [stdout] d1a4e30497d43c388824ebb84ee3bcd0176570024584bdcaa446a6a3fa425936
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a7427f1b999ba4de1dd4dc2031762f4f20c34a17ee52629c8de1a68e3734997
[INFO] running `Command { std: "docker" "start" "-a" "4a7427f1b999ba4de1dd4dc2031762f4f20c34a17ee52629c8de1a68e3734997", 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 0.72s
[INFO] running `Command { std: "docker" "inspect" "4a7427f1b999ba4de1dd4dc2031762f4f20c34a17ee52629c8de1a68e3734997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7427f1b999ba4de1dd4dc2031762f4f20c34a17ee52629c8de1a68e3734997", kill_on_drop: false }`
[INFO] [stdout] 4a7427f1b999ba4de1dd4dc2031762f4f20c34a17ee52629c8de1a68e3734997
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c4b2e02f2efb41b872a516c6a5cf62527ad84c8a3a65896e6253456f95692fa
[INFO] running `Command { std: "docker" "start" "-a" "8c4b2e02f2efb41b872a516c6a5cf62527ad84c8a3a65896e6253456f95692fa", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustlearn-b8e4ec48228f709a)
[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" "8c4b2e02f2efb41b872a516c6a5cf62527ad84c8a3a65896e6253456f95692fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4b2e02f2efb41b872a516c6a5cf62527ad84c8a3a65896e6253456f95692fa", kill_on_drop: false }`
[INFO] [stdout] 8c4b2e02f2efb41b872a516c6a5cf62527ad84c8a3a65896e6253456f95692fa