[INFO] cloning repository https://github.com/arsenron/ethereum-handshake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arsenron/ethereum-handshake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farsenron%2Fethereum-handshake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farsenron%2Fethereum-handshake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21f3a47f924d95d12749572cd41ffb997f132489
[INFO] checking arsenron/ethereum-handshake against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farsenron%2Fethereum-handshake" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arsenron/ethereum-handshake on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arsenron/ethereum-handshake
[INFO] finished tweaking git repo https://github.com/arsenron/ethereum-handshake
[INFO] tweaked toml for git repo https://github.com/arsenron/ethereum-handshake written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/arsenron/ethereum-handshake 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concat-kdf v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62c3694ebcf89de70c7eb3358a29ab4ce0f0db695956717ad8d4edd6b6455de8
[INFO] running `Command { std: "docker" "start" "-a" "62c3694ebcf89de70c7eb3358a29ab4ce0f0db695956717ad8d4edd6b6455de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c3694ebcf89de70c7eb3358a29ab4ce0f0db695956717ad8d4edd6b6455de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c3694ebcf89de70c7eb3358a29ab4ce0f0db695956717ad8d4edd6b6455de8", kill_on_drop: false }`
[INFO] [stdout] 62c3694ebcf89de70c7eb3358a29ab4ce0f0db695956717ad8d4edd6b6455de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f014b4088de002fb571acfbfaf2eff6145f1e47f3296ab1b2aa30f1db9e0c1fd
[INFO] running `Command { std: "docker" "start" "-a" "f014b4088de002fb571acfbfaf2eff6145f1e47f3296ab1b2aa30f1db9e0c1fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking concat-kdf v0.1.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking p2p-handshake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use secp256k1::{rand, PublicKey, SecretKey, SECP256K1};
[INFO] [stdout]    |                 ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use secp256k1::{rand, PublicKey, SecretKey, SECP256K1};
[INFO] [stdout]    |                 ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.58s
[INFO] running `Command { std: "docker" "inspect" "f014b4088de002fb571acfbfaf2eff6145f1e47f3296ab1b2aa30f1db9e0c1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f014b4088de002fb571acfbfaf2eff6145f1e47f3296ab1b2aa30f1db9e0c1fd", kill_on_drop: false }`
[INFO] [stdout] f014b4088de002fb571acfbfaf2eff6145f1e47f3296ab1b2aa30f1db9e0c1fd
[INFO] checking arsenron/ethereum-handshake against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farsenron%2Fethereum-handshake" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arsenron/ethereum-handshake on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arsenron/ethereum-handshake
[INFO] finished tweaking git repo https://github.com/arsenron/ethereum-handshake
[INFO] tweaked toml for git repo https://github.com/arsenron/ethereum-handshake written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/arsenron/ethereum-handshake 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43107e79a34074430a1551a6ed4157da5b10cbce30976cc47cea53a94ca4ea67
[INFO] running `Command { std: "docker" "start" "-a" "43107e79a34074430a1551a6ed4157da5b10cbce30976cc47cea53a94ca4ea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43107e79a34074430a1551a6ed4157da5b10cbce30976cc47cea53a94ca4ea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43107e79a34074430a1551a6ed4157da5b10cbce30976cc47cea53a94ca4ea67", kill_on_drop: false }`
[INFO] [stdout] 43107e79a34074430a1551a6ed4157da5b10cbce30976cc47cea53a94ca4ea67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8ac231791e666f0667c7cd9b2143ec7b8b32beb1e3d6e1e93eaf696f90fa015
[INFO] running `Command { std: "docker" "start" "-a" "b8ac231791e666f0667c7cd9b2143ec7b8b32beb1e3d6e1e93eaf696f90fa015", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking concat-kdf v0.1.0
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking p2p-handshake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use secp256k1::{rand, PublicKey, SecretKey, SECP256K1};
[INFO] [stdout]    |                 ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use secp256k1::{rand, PublicKey, SecretKey, SECP256K1};
[INFO] [stdout]    |                 ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.97s
[INFO] running `Command { std: "docker" "inspect" "b8ac231791e666f0667c7cd9b2143ec7b8b32beb1e3d6e1e93eaf696f90fa015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ac231791e666f0667c7cd9b2143ec7b8b32beb1e3d6e1e93eaf696f90fa015", kill_on_drop: false }`
[INFO] [stdout] b8ac231791e666f0667c7cd9b2143ec7b8b32beb1e3d6e1e93eaf696f90fa015