[INFO] fetching crate untitled1 0.1.1...
[INFO] testing untitled1-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate untitled1 0.1.1 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate untitled1 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86a16494aeafe3a65cbd80f7263acde56990cdf71f49880eb2334e55225221d8
[INFO] running `Command { std: "docker" "start" "-a" "86a16494aeafe3a65cbd80f7263acde56990cdf71f49880eb2334e55225221d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86a16494aeafe3a65cbd80f7263acde56990cdf71f49880eb2334e55225221d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a16494aeafe3a65cbd80f7263acde56990cdf71f49880eb2334e55225221d8", kill_on_drop: false }`
[INFO] [stdout] 86a16494aeafe3a65cbd80f7263acde56990cdf71f49880eb2334e55225221d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d501fdee96291ba7c3900bbb2f11b1d887f2a7a1aac37e2f44b6ab68c9b629b
[INFO] running `Command { std: "docker" "start" "-a" "6d501fdee96291ba7c3900bbb2f11b1d887f2a7a1aac37e2f44b6ab68c9b629b", 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 0.27s
[INFO] running `Command { std: "docker" "inspect" "6d501fdee96291ba7c3900bbb2f11b1d887f2a7a1aac37e2f44b6ab68c9b629b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d501fdee96291ba7c3900bbb2f11b1d887f2a7a1aac37e2f44b6ab68c9b629b", kill_on_drop: false }`
[INFO] [stdout] 6d501fdee96291ba7c3900bbb2f11b1d887f2a7a1aac37e2f44b6ab68c9b629b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e37ca96ed0ab5b9049968242d18d1389dd315d4510a35e68373030899ea9dd6
[INFO] running `Command { std: "docker" "start" "-a" "1e37ca96ed0ab5b9049968242d18d1389dd315d4510a35e68373030899ea9dd6", 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] [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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "1e37ca96ed0ab5b9049968242d18d1389dd315d4510a35e68373030899ea9dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e37ca96ed0ab5b9049968242d18d1389dd315d4510a35e68373030899ea9dd6", kill_on_drop: false }`
[INFO] [stdout] 1e37ca96ed0ab5b9049968242d18d1389dd315d4510a35e68373030899ea9dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2af789b795fd84ef68bfa274e6c4908241bf534357de7cc109abb2d190391ba2
[INFO] running `Command { std: "docker" "start" "-a" "2af789b795fd84ef68bfa274e6c4908241bf534357de7cc109abb2d190391ba2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `user_id`
[INFO] [stderr]  --> src/domain/user.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) fn user_exist(user_id: &str) -> bool {
[INFO] [stderr]   |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user_id`
[INFO] [stderr]  --> src/domain/finance.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) fn purchase(user_id: &str, amount: u32, item_id: u64) -> (bool, &str) {
[INFO] [stderr]   |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `failure_reason`
[INFO] [stderr]   --> src/lib.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let (ok, failure_reason) = service::payment::pay(user_id, amount, item_id);
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_failure_reason`
[INFO] [stderr] 
[INFO] [stderr] warning: function `user_exist` is never used
[INFO] [stderr]  --> src/domain/user.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) fn user_exist(user_id: &str) -> bool {
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/domain/item_for_sale.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(super) struct ItemForSale {
[INFO] [stderr]   |                   ----------- field in this struct
[INFO] [stderr] 2 |     pub(super) id: u64,
[INFO] [stderr] 3 |     pub(super) name: &'static str,
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `untitled1` (lib) generated 5 warnings (run `cargo fix --lib -p untitled1` to apply 3 suggestions)
[INFO] [stderr] warning: `untitled1` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/untitled1-ac3ac367237d5fdb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests untitled1
[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" "2af789b795fd84ef68bfa274e6c4908241bf534357de7cc109abb2d190391ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af789b795fd84ef68bfa274e6c4908241bf534357de7cc109abb2d190391ba2", kill_on_drop: false }`
[INFO] [stdout] 2af789b795fd84ef68bfa274e6c4908241bf534357de7cc109abb2d190391ba2