[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] cf165e1d86823810cec2fd0c665fcd4c3dd6be88
[INFO] checking themeliolabs/Mil against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemeliolabs%2FMil" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/themeliolabs/Mil 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 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-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fb8f4be7ce621cac4881ccc395c38521bad2dd2794d17bd1d3da0ca53d237768
[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" "fb8f4be7ce621cac4881ccc395c38521bad2dd2794d17bd1d3da0ca53d237768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb8f4be7ce621cac4881ccc395c38521bad2dd2794d17bd1d3da0ca53d237768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8f4be7ce621cac4881ccc395c38521bad2dd2794d17bd1d3da0ca53d237768", kill_on_drop: false }`
[INFO] [stdout] fb8f4be7ce621cac4881ccc395c38521bad2dd2794d17bd1d3da0ca53d237768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73d987661ee19b2b8d8a377a5504741c329bb66c54fcb3a13bd041ea8242099d
[INFO] running `Command { std: "docker" "start" "-a" "73d987661ee19b2b8d8a377a5504741c329bb66c54fcb3a13bd041ea8242099d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
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[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking ethnum v1.0.3
[INFO] [stderr]     Checking defmac v0.2.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling psm v0.1.13
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking clap v2.33.3
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[INFO] [stderr]     Checking primitive-types v0.10.1
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[INFO] [stderr]     Checking crypto-mac v0.8.0
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[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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 structopt-derive v0.4.15
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking arbitrary v1.0.1
[INFO] [stderr]    Compiling genawaiter-proc-macro v0.99.1
[INFO] [stderr]     Checking zeroize v1.4.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking genawaiter v0.99.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking serde-big-array v0.3.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling toml v0.5.8
[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 v0.1.2 (/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 39s
[INFO] running `Command { std: "docker" "inspect" "73d987661ee19b2b8d8a377a5504741c329bb66c54fcb3a13bd041ea8242099d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d987661ee19b2b8d8a377a5504741c329bb66c54fcb3a13bd041ea8242099d", kill_on_drop: false }`
[INFO] [stdout] 73d987661ee19b2b8d8a377a5504741c329bb66c54fcb3a13bd041ea8242099d