[INFO] fetching crate nitrokey 0.9.0...
[INFO] checking nitrokey-0.9.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate nitrokey 0.9.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nitrokey 0.9.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nitrokey 0.9.0
[INFO] finished tweaking crates.io crate nitrokey 0.9.0
[INFO] tweaked toml for crates.io crate nitrokey 0.9.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate nitrokey 0.9.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nitrokey-sys v3.6.0
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded nitrokey-test v0.3.2
[INFO] [stderr]   Downloaded nitrokey-test-state v0.1.0
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73ca226754ffeee9789233976bc2845a7fadd35ea57fe63c0249f1467acad5ef
[INFO] running `Command { std: "docker" "start" "-a" "73ca226754ffeee9789233976bc2845a7fadd35ea57fe63c0249f1467acad5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ca226754ffeee9789233976bc2845a7fadd35ea57fe63c0249f1467acad5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ca226754ffeee9789233976bc2845a7fadd35ea57fe63c0249f1467acad5ef", kill_on_drop: false }`
[INFO] [stdout] 73ca226754ffeee9789233976bc2845a7fadd35ea57fe63c0249f1467acad5ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a616eca8a494f2e1c51d8c5d75abe41eb508e5b4a14e87e0dcd1d3bc6ec2cb5
[INFO] running `Command { std: "docker" "start" "-a" "2a616eca8a494f2e1c51d8c5d75abe41eb508e5b4a14e87e0dcd1d3bc6ec2cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking nitrokey-test-state v0.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling nitrokey-sys v3.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling nitrokey-test v0.3.2
[INFO] [stderr]     Checking nitrokey v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> tests/pws.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     drop(slot);
[INFO] [stdout]     |     ^^^^^----^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `PasswordSlot<'_, '_, '_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 121 -     drop(slot);
[INFO] [stdout] 121 +     let _ = slot;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> tests/pws.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     drop(slot);
[INFO] [stdout]     |     ^^^^^----^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `PasswordSlot<'_, '_, '_>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 130 -     drop(slot);
[INFO] [stdout] 130 +     let _ = slot;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> tests/pws.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     drop(slot);
[INFO] [stdout]     |     ^^^^^----^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `PasswordSlot<'_, '_, '_>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 141 -     drop(slot);
[INFO] [stdout] 141 +     let _ = slot;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.60s
[INFO] running `Command { std: "docker" "inspect" "2a616eca8a494f2e1c51d8c5d75abe41eb508e5b4a14e87e0dcd1d3bc6ec2cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a616eca8a494f2e1c51d8c5d75abe41eb508e5b4a14e87e0dcd1d3bc6ec2cb5", kill_on_drop: false }`
[INFO] [stdout] 2a616eca8a494f2e1c51d8c5d75abe41eb508e5b4a14e87e0dcd1d3bc6ec2cb5