[INFO] fetching crate myveryhotcrate 0.1.0...
[INFO] checking myveryhotcrate-0.1.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate myveryhotcrate 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate myveryhotcrate 0.1.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate myveryhotcrate 0.1.0
[INFO] finished tweaking crates.io crate myveryhotcrate 0.1.0
[INFO] tweaked toml for crates.io crate myveryhotcrate 0.1.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate myveryhotcrate 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b118e755c0b388cdafed12fe1c41e2303aaa7136ce5352a002a5ab3c6e62132
[INFO] running `Command { std: "docker" "start" "-a" "0b118e755c0b388cdafed12fe1c41e2303aaa7136ce5352a002a5ab3c6e62132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b118e755c0b388cdafed12fe1c41e2303aaa7136ce5352a002a5ab3c6e62132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b118e755c0b388cdafed12fe1c41e2303aaa7136ce5352a002a5ab3c6e62132", kill_on_drop: false }`
[INFO] [stdout] 0b118e755c0b388cdafed12fe1c41e2303aaa7136ce5352a002a5ab3c6e62132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ba3ac238deae8b7ef99dc9804ac9addb1aea20c86ee1fde36a624f1e55bfeb9
[INFO] running `Command { std: "docker" "start" "-a" "8ba3ac238deae8b7ef99dc9804ac9addb1aea20c86ee1fde36a624f1e55bfeb9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking myveryhotcrate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/tt/errors.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/tt/errors.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `UserID`
[INFO] [stdout]  --> src/mod_1.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | type UserID = String;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Options`
[INFO] [stdout]  --> src/mod_1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Options {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FetchOption`
[INFO] [stdout]  --> src/mod_1.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | type FetchOption = Box<dyn FnOnce(&mut Options)>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fetch_option_set_user_id`
[INFO] [stdout]  --> src/mod_1.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn fetch_option_set_user_id(user_id: UserID) -> FetchOption {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `apply_options`
[INFO] [stdout]   --> src/mod_1.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn apply_options(options: Vec<FetchOption>) -> Options {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrCardNotFound`
[INFO] [stdout]  --> src/tt/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ErrCardNotFound,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrTransactionNotFound`
[INFO] [stdout]  --> src/tt/errors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ErrTransactionNotFound,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dada`
[INFO] [stdout]   --> src/tt/errors.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn dada() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/tt/errors.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let r: Result<i32, Errors> = Ok(1);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/tt/errors.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let r: Result<i32, Errors> = Err(Errors::ErrCardNotFound);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrTransactionNotFound`
[INFO] [stdout]  --> src/tt/errors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ErrTransactionNotFound,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dada`
[INFO] [stdout]   --> src/tt/errors.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn dada() {
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "8ba3ac238deae8b7ef99dc9804ac9addb1aea20c86ee1fde36a624f1e55bfeb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba3ac238deae8b7ef99dc9804ac9addb1aea20c86ee1fde36a624f1e55bfeb9", kill_on_drop: false }`
[INFO] [stdout] 8ba3ac238deae8b7ef99dc9804ac9addb1aea20c86ee1fde36a624f1e55bfeb9