[INFO] fetching crate untitled1 0.1.1...
[INFO] building untitled1-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate untitled1 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate untitled1 0.1.1
[INFO] finished tweaking crates.io crate untitled1 0.1.1
[INFO] tweaked toml for crates.io crate untitled1 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate untitled1 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71fdccbec3f90567646ff44fa2a337279284b0e1310e812fac55df8fb48ee823
[INFO] running `Command { std: "docker" "start" "-a" "71fdccbec3f90567646ff44fa2a337279284b0e1310e812fac55df8fb48ee823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71fdccbec3f90567646ff44fa2a337279284b0e1310e812fac55df8fb48ee823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fdccbec3f90567646ff44fa2a337279284b0e1310e812fac55df8fb48ee823", kill_on_drop: false }`
[INFO] [stdout] 71fdccbec3f90567646ff44fa2a337279284b0e1310e812fac55df8fb48ee823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2db37951a58c8d5a7790e09d052ea1a377ec94ff8e001da8b454860ad6cb7e3
[INFO] running `Command { std: "docker" "start" "-a" "c2db37951a58c8d5a7790e09d052ea1a377ec94ff8e001da8b454860ad6cb7e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled1 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]  --> src/domain/user.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn user_exist(user_id: &str) -> bool {
[INFO] [stdout]   |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]  --> src/domain/finance.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn purchase(user_id: &str, amount: u32, item_id: u64) -> (bool, &str) {
[INFO] [stdout]   |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `failure_reason`
[INFO] [stdout]   --> src/lib.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (ok, failure_reason) = service::payment::pay(user_id, amount, item_id);
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_failure_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_exist` is never used
[INFO] [stdout]  --> src/domain/user.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn user_exist(user_id: &str) -> bool {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/domain/item_for_sale.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(super) struct ItemForSale {
[INFO] [stdout]   |                   ----------- field in this struct
[INFO] [stdout] 2 |     pub(super) id: u64,
[INFO] [stdout] 3 |     pub(super) name: &'static str,
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c2db37951a58c8d5a7790e09d052ea1a377ec94ff8e001da8b454860ad6cb7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2db37951a58c8d5a7790e09d052ea1a377ec94ff8e001da8b454860ad6cb7e3", kill_on_drop: false }`
[INFO] [stdout] c2db37951a58c8d5a7790e09d052ea1a377ec94ff8e001da8b454860ad6cb7e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a952181ee5b99e86e1533851ca3c18f2899ad59fb81422c779af3cf29c2aee4f
[INFO] running `Command { std: "docker" "start" "-a" "a952181ee5b99e86e1533851ca3c18f2899ad59fb81422c779af3cf29c2aee4f", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]  --> src/domain/user.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn user_exist(user_id: &str) -> bool {
[INFO] [stdout]   |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling untitled1 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]  --> src/domain/finance.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn purchase(user_id: &str, amount: u32, item_id: u64) -> (bool, &str) {
[INFO] [stdout]   |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `failure_reason`
[INFO] [stdout]   --> src/lib.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (ok, failure_reason) = service::payment::pay(user_id, amount, item_id);
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_failure_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_exist` is never used
[INFO] [stdout]  --> src/domain/user.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn user_exist(user_id: &str) -> bool {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/domain/item_for_sale.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(super) struct ItemForSale {
[INFO] [stdout]   |                   ----------- field in this struct
[INFO] [stdout] 2 |     pub(super) id: u64,
[INFO] [stdout] 3 |     pub(super) name: &'static str,
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]  --> src/domain/user.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn user_exist(user_id: &str) -> bool {
[INFO] [stdout]   |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]  --> src/domain/finance.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn purchase(user_id: &str, amount: u32, item_id: u64) -> (bool, &str) {
[INFO] [stdout]   |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `failure_reason`
[INFO] [stdout]   --> src/lib.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (ok, failure_reason) = service::payment::pay(user_id, amount, item_id);
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_failure_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_exist` is never used
[INFO] [stdout]  --> src/domain/user.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn user_exist(user_id: &str) -> bool {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/domain/item_for_sale.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(super) struct ItemForSale {
[INFO] [stdout]   |                   ----------- field in this struct
[INFO] [stdout] 2 |     pub(super) id: u64,
[INFO] [stdout] 3 |     pub(super) name: &'static str,
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "a952181ee5b99e86e1533851ca3c18f2899ad59fb81422c779af3cf29c2aee4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a952181ee5b99e86e1533851ca3c18f2899ad59fb81422c779af3cf29c2aee4f", kill_on_drop: false }`
[INFO] [stdout] a952181ee5b99e86e1533851ca3c18f2899ad59fb81422c779af3cf29c2aee4f