[INFO] fetching crate k256_flow 1.0.0...
[INFO] checking k256_flow-1.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate k256_flow 1.0.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate k256_flow 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate k256_flow 1.0.0
[INFO] finished tweaking crates.io crate k256_flow 1.0.0
[INFO] tweaked toml for crates.io crate k256_flow 1.0.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4adad31f237357b84f973ff2116dc760aa9e4af37b14168725f6c410a53cac87
[INFO] running `Command { std: "docker" "start" "-a" "4adad31f237357b84f973ff2116dc760aa9e4af37b14168725f6c410a53cac87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4adad31f237357b84f973ff2116dc760aa9e4af37b14168725f6c410a53cac87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adad31f237357b84f973ff2116dc760aa9e4af37b14168725f6c410a53cac87", kill_on_drop: false }`
[INFO] [stdout] 4adad31f237357b84f973ff2116dc760aa9e4af37b14168725f6c410a53cac87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a91941ea385b19a9533f7f0f58b18c1e7793a75323bf854dfaa20840c0c7cb1
[INFO] running `Command { std: "docker" "start" "-a" "6a91941ea385b19a9533f7f0f58b18c1e7793a75323bf854dfaa20840c0c7cb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]     Checking zeroize v1.4.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling hex-literal v0.3.3
[INFO] [stderr]     Checking half v1.8.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking blobby v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking der v0.4.4
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking pem-rfc7468 v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking ff v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crypto-bigint v0.2.10
[INFO] [stderr]     Checking signature-flow v1.0.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking elliptic-curve-flow v1.0.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking ecdsa-flow v1.0.0
[INFO] [stderr]     Checking k256_flow v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.07s
[INFO] running `Command { std: "docker" "inspect" "6a91941ea385b19a9533f7f0f58b18c1e7793a75323bf854dfaa20840c0c7cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a91941ea385b19a9533f7f0f58b18c1e7793a75323bf854dfaa20840c0c7cb1", kill_on_drop: false }`
[INFO] [stdout] 6a91941ea385b19a9533f7f0f58b18c1e7793a75323bf854dfaa20840c0c7cb1
