[INFO] cloning repository https://github.com/themeliolabs/Mil
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/themeliolabs/Mil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemeliolabs%2FMil", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemeliolabs%2FMil'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a01244bbfa1b78643b29aefc72d3a08a6be9677c
[INFO] checking themeliolabs/Mil against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemeliolabs%2FMil" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/themeliolabs/Mil on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/themeliolabs/Mil
[INFO] finished tweaking git repo https://github.com/themeliolabs/Mil
[INFO] tweaked toml for git repo https://github.com/themeliolabs/Mil written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/themeliolabs/Mil already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 469024809a2b0222ed61c61531028126ac46a954afe3c2e1b8c439b56fe01734
[INFO] running `Command { std: "docker" "start" "-a" "469024809a2b0222ed61c61531028126ac46a954afe3c2e1b8c439b56fe01734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "469024809a2b0222ed61c61531028126ac46a954afe3c2e1b8c439b56fe01734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469024809a2b0222ed61c61531028126ac46a954afe3c2e1b8c439b56fe01734", kill_on_drop: false }`
[INFO] [stdout] 469024809a2b0222ed61c61531028126ac46a954afe3c2e1b8c439b56fe01734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e855feff5e545192ea54614511bc7a86f37249f32a32f39e4a28dab4f5245e78
[INFO] running `Command { std: "docker" "start" "-a" "e855feff5e545192ea54614511bc7a86f37249f32a32f39e4a28dab4f5245e78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
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[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 zeroize v1.4.0
[INFO] [stderr]     Checking arbitrary v1.0.1
[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 serde-big-array v0.3.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking stdcode v0.1.2
[INFO] [stderr]     Checking tmelcrypt v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]     Checking novasmt v0.1.9
[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 v0.1.4-alpha.0 (/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 1m 09s
[INFO] running `Command { std: "docker" "inspect" "e855feff5e545192ea54614511bc7a86f37249f32a32f39e4a28dab4f5245e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e855feff5e545192ea54614511bc7a86f37249f32a32f39e4a28dab4f5245e78", kill_on_drop: false }`
[INFO] [stdout] e855feff5e545192ea54614511bc7a86f37249f32a32f39e4a28dab4f5245e78