[INFO] fetching crate casper-types 4.0.2...
[INFO] checking casper-types-4.0.2 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate casper-types 4.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate casper-types 4.0.2 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casper-types 4.0.2
[INFO] finished tweaking crates.io crate casper-types 4.0.2
[INFO] tweaked toml for crates.io crate casper-types 4.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 204 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
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[INFO] [stderr]       Adding crypto-mac v0.8.0 (available: v0.11.1)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derp v0.0.14
[INFO] [stderr]   Downloaded schemars v0.8.5
[INFO] [stderr]   Downloaded datasize_derive v0.2.15
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[INFO] [stderr]   Downloaded schemars_derive v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c03c0b0c9dc938c0da3c89a95e71f74ac57e2eb6d91160c74f713975cb1ba2f7
[INFO] running `Command { std: "docker" "start" "-a" "c03c0b0c9dc938c0da3c89a95e71f74ac57e2eb6d91160c74f713975cb1ba2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03c0b0c9dc938c0da3c89a95e71f74ac57e2eb6d91160c74f713975cb1ba2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03c0b0c9dc938c0da3c89a95e71f74ac57e2eb6d91160c74f713975cb1ba2f7", kill_on_drop: false }`
[INFO] [stdout] c03c0b0c9dc938c0da3c89a95e71f74ac57e2eb6d91160c74f713975cb1ba2f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4dd2083b90d36cb0429e38639f8c14de748b6d297fe69deb01ec13843d4ebab
[INFO] running `Command { std: "docker" "start" "-a" "a4dd2083b90d36cb0429e38639f8c14de748b6d297fe69deb01ec13843d4ebab", kill_on_drop: false }`
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[INFO] [stderr]     Checking casper-types v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/cl_value/jsonrepr.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::{string::String, vec, vec::Vec};
[INFO] [stdout]   |                             ^^^
[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: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/crypto/asymmetric_key/tests.rs:842:5
[INFO] [stdout]     |
[INFO] [stdout] 842 | /     format!(
[INFO] [stdout] 843 | |         "02{}",
[INFO] [stdout] 844 | |         base16::encode_lower(secp256k1_public_key.to_encoded_point(false).as_bytes())
[INFO] [stdout] 845 | |             .to_lowercase()
[INFO] [stdout] 846 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.01s
[INFO] running `Command { std: "docker" "inspect" "a4dd2083b90d36cb0429e38639f8c14de748b6d297fe69deb01ec13843d4ebab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4dd2083b90d36cb0429e38639f8c14de748b6d297fe69deb01ec13843d4ebab", kill_on_drop: false }`
[INFO] [stdout] a4dd2083b90d36cb0429e38639f8c14de748b6d297fe69deb01ec13843d4ebab