[INFO] cloning repository https://github.com/rustspeak/contract_generique
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustspeak/contract_generique" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustspeak%2Fcontract_generique", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustspeak%2Fcontract_generique'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd8c555ec21438fabb75ccfdeae2b72c08259043
[INFO] checking rustspeak/contract_generique against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustspeak%2Fcontract_generique" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustspeak/contract_generique on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rustspeak/contract_generique
[INFO] finished tweaking git repo https://github.com/rustspeak/contract_generique
[INFO] tweaked toml for git repo https://github.com/rustspeak/contract_generique written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rustspeak/contract_generique 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 210baa32d901039dbd6463f4b07d2b431fd4af1e781d1fdf1e95ad561dc0a5d9
[INFO] running `Command { std: "docker" "start" "-a" "210baa32d901039dbd6463f4b07d2b431fd4af1e781d1fdf1e95ad561dc0a5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "210baa32d901039dbd6463f4b07d2b431fd4af1e781d1fdf1e95ad561dc0a5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210baa32d901039dbd6463f4b07d2b431fd4af1e781d1fdf1e95ad561dc0a5d9", kill_on_drop: false }`
[INFO] [stdout] 210baa32d901039dbd6463f4b07d2b431fd4af1e781d1fdf1e95ad561dc0a5d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f2c4204fa5e01347282b109856302091136b9403fa2e9734b520e9cea591ed2
[INFO] running `Command { std: "docker" "start" "-a" "5f2c4204fa5e01347282b109856302091136b9403fa2e9734b520e9cea591ed2", kill_on_drop: false }`
[INFO] [stderr]     Checking contract_generique v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut from_balance = self.balances.entry(from.to_string()).or_insert(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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut to_balance = self.balances.entry(to.to_string()).or_insert(0);
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyContract` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct MyContract {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_balance`, `deposit`, `withdraw`, and `transfer` are never used
[INFO] [stdout]   --> src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl MyContract {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 10 |     // Fonction de création du contrat
[INFO] [stdout] 11 |     pub fn new(owner: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_balance(&self, address: &str) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn deposit(&mut self, address: &str, amount: u64) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn withdraw(&mut self, address: &str, amount: u64) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn transfer(&mut self, from: &str, to: &str, amount: u64) -> Result<(), &'static str> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut from_balance = self.balances.entry(from.to_string()).or_insert(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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut to_balance = self.balances.entry(to.to_string()).or_insert(0);
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyContract` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct MyContract {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_balance`, `deposit`, `withdraw`, and `transfer` are never used
[INFO] [stdout]   --> src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl MyContract {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 10 |     // Fonction de création du contrat
[INFO] [stdout] 11 |     pub fn new(owner: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_balance(&self, address: &str) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn deposit(&mut self, address: &str, amount: u64) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn withdraw(&mut self, address: &str, amount: u64) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn transfer(&mut self, from: &str, to: &str, amount: u64) -> Result<(), &'static str> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "5f2c4204fa5e01347282b109856302091136b9403fa2e9734b520e9cea591ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2c4204fa5e01347282b109856302091136b9403fa2e9734b520e9cea591ed2", kill_on_drop: false }`
[INFO] [stdout] 5f2c4204fa5e01347282b109856302091136b9403fa2e9734b520e9cea591ed2
[INFO] checking rustspeak/contract_generique against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustspeak%2Fcontract_generique" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustspeak/contract_generique on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rustspeak/contract_generique
[INFO] finished tweaking git repo https://github.com/rustspeak/contract_generique
[INFO] tweaked toml for git repo https://github.com/rustspeak/contract_generique written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rustspeak/contract_generique 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c9027640fc0140975ff18ceb48d56b699102248e6ca9619831487ecb5e67f5d
[INFO] running `Command { std: "docker" "start" "-a" "6c9027640fc0140975ff18ceb48d56b699102248e6ca9619831487ecb5e67f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c9027640fc0140975ff18ceb48d56b699102248e6ca9619831487ecb5e67f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9027640fc0140975ff18ceb48d56b699102248e6ca9619831487ecb5e67f5d", kill_on_drop: false }`
[INFO] [stdout] 6c9027640fc0140975ff18ceb48d56b699102248e6ca9619831487ecb5e67f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbcc61ca5f39c42f8326e7229c4620ac92b16039805819a60ab283426947b022
[INFO] running `Command { std: "docker" "start" "-a" "cbcc61ca5f39c42f8326e7229c4620ac92b16039805819a60ab283426947b022", kill_on_drop: false }`
[INFO] [stderr]     Checking contract_generique v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut from_balance = self.balances.entry(from.to_string()).or_insert(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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut from_balance = self.balances.entry(from.to_string()).or_insert(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] [stderr] error: could not compile `contract_generique` (bin "contract_generique"); 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `contract_generique` (bin "contract_generique" test); 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cbcc61ca5f39c42f8326e7229c4620ac92b16039805819a60ab283426947b022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbcc61ca5f39c42f8326e7229c4620ac92b16039805819a60ab283426947b022", kill_on_drop: false }`
[INFO] [stdout] cbcc61ca5f39c42f8326e7229c4620ac92b16039805819a60ab283426947b022
