[INFO] fetching crate spock 0.1.0...
[INFO] checking spock-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate spock 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate spock 0.1.0
[INFO] finished tweaking crates.io crate spock 0.1.0
[INFO] tweaked toml for crates.io crate spock 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spock 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spock 0.1.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e10204ba0f6d52a84a973f34af3978b1f1fc78d2f909485285ef867e6361d49
[INFO] running `Command { std: "docker" "start" "-a" "2e10204ba0f6d52a84a973f34af3978b1f1fc78d2f909485285ef867e6361d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e10204ba0f6d52a84a973f34af3978b1f1fc78d2f909485285ef867e6361d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e10204ba0f6d52a84a973f34af3978b1f1fc78d2f909485285ef867e6361d49", kill_on_drop: false }`
[INFO] [stdout] 2e10204ba0f6d52a84a973f34af3978b1f1fc78d2f909485285ef867e6361d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dd7879a0d8272eef3b08591cf6cce5d49621c09a06c3968c6e5f85ba44d0666
[INFO] running `Command { std: "docker" "start" "-a" "8dd7879a0d8272eef3b08591cf6cce5d49621c09a06c3968c6e5f85ba44d0666", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking spock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/logic/chemistry/element/mod.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn add(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]  --> src/logic/chemistry/molecule/mod.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn add(self, rhs: Self) -> Self::Output {
[INFO] [stdout]   |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/logic/chemistry/molecule/mod.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn add(self, rhs: Element) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `molecule`
[INFO] [stdout]   --> src/lib.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let molecule = elements::H + elements::H;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_molecule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `molecule`
[INFO] [stdout]   --> src/lib.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let molecule = elements::H + elements::H;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_molecule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `atomic_number` is never read
[INFO] [stdout]   --> src/logic/chemistry/element/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Element {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     symbol: Symbol,
[INFO] [stdout] 11 |     atomic_number: AtomicNumber,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/logic/chemistry/element/mod.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn add(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]  --> src/logic/chemistry/molecule/mod.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn add(self, rhs: Self) -> Self::Output {
[INFO] [stdout]   |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/logic/chemistry/molecule/mod.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn add(self, rhs: Element) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `atomic_number` is never read
[INFO] [stdout]   --> src/logic/chemistry/element/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Element {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     symbol: Symbol,
[INFO] [stdout] 11 |     atomic_number: AtomicNumber,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "8dd7879a0d8272eef3b08591cf6cce5d49621c09a06c3968c6e5f85ba44d0666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd7879a0d8272eef3b08591cf6cce5d49621c09a06c3968c6e5f85ba44d0666", kill_on_drop: false }`
[INFO] [stdout] 8dd7879a0d8272eef3b08591cf6cce5d49621c09a06c3968c6e5f85ba44d0666