[INFO] fetching crate mil 0.1.3...
[INFO] checking mil-0.1.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate mil 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mil 0.1.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mil 0.1.3
[INFO] finished tweaking crates.io crate mil 0.1.3
[INFO] tweaked toml for crates.io crate mil 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate mil 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 079f4e9c0ea795beb648f54bbc467fbb3ec352153716b38e44436de7e2a09ab3
[INFO] running `Command { std: "docker" "start" "-a" "079f4e9c0ea795beb648f54bbc467fbb3ec352153716b38e44436de7e2a09ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "079f4e9c0ea795beb648f54bbc467fbb3ec352153716b38e44436de7e2a09ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079f4e9c0ea795beb648f54bbc467fbb3ec352153716b38e44436de7e2a09ab3", kill_on_drop: false }`
[INFO] [stdout] 079f4e9c0ea795beb648f54bbc467fbb3ec352153716b38e44436de7e2a09ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0aecd2fd744a7347a9dc6378ab636528c4e72e6ad2d704ae524db0a1baccef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b0aecd2fd744a7347a9dc6378ab636528c4e72e6ad2d704ae524db0a1baccef", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stderr]     Checking arrayvec v0.5.2
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[INFO] [stderr]     Checking funty v1.1.0
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[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
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[INFO] [stderr]     Checking base32 v0.4.0
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[INFO] [stderr]     Checking rustc-hash v1.1.0
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
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[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
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[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
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[INFO] [stderr]     Checking env_logger v0.9.0
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[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling derive_arbitrary v1.0.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking arbitrary v1.0.1
[INFO] [stderr]     Checking zeroize v1.4.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]    Compiling genawaiter-proc-macro v0.99.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking genawaiter v0.99.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking serde-big-array v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking stdcode v0.1.2
[INFO] [stderr]     Checking tmelcrypt v0.1.0
[INFO] [stderr]     Checking novasmt v0.1.9
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.2
[INFO] [stderr]     Checking num_enum v0.5.2
[INFO] [stderr]     Checking themelio-stf v0.5.1
[INFO] [stderr]     Checking mil v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pk`
[INFO] [stdout]    --> src/executor.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let (pk, sk, tx) = key_and_empty_tx();
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_pk`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sk`
[INFO] [stdout]    --> src/executor.rs:196:18
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let (pk, sk, tx) = key_and_empty_tx();
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_sk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pk`
[INFO] [stdout]    --> src/executor.rs:223:14
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let (pk, sk, tx) = key_and_empty_tx();
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_pk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sk`
[INFO] [stdout]    --> src/executor.rs:223:18
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let (pk, sk, tx) = key_and_empty_tx();
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_sk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pk`
[INFO] [stdout]    --> src/executor.rs:232:14
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let (pk, sk, tx) = key_and_empty_tx();
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_pk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sk`
[INFO] [stdout]    --> src/executor.rs:232:18
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let (pk, sk, tx) = key_and_empty_tx();
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_sk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "9b0aecd2fd744a7347a9dc6378ab636528c4e72e6ad2d704ae524db0a1baccef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0aecd2fd744a7347a9dc6378ab636528c4e72e6ad2d704ae524db0a1baccef", kill_on_drop: false }`
[INFO] [stdout] 9b0aecd2fd744a7347a9dc6378ab636528c4e72e6ad2d704ae524db0a1baccef