[INFO] fetching crate iterative_methods 0.2.1...
[INFO] checking iterative_methods-0.2.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate iterative_methods 0.2.1 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate iterative_methods 0.2.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iterative_methods 0.2.1
[INFO] finished tweaking crates.io crate iterative_methods 0.2.1
[INFO] tweaked toml for crates.io crate iterative_methods 0.2.1 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate crates.io crate iterative_methods 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f76ad437e754240099428a07f173ba4535ad61d960df7f4eb3acbc65721f86c
[INFO] running `Command { std: "docker" "start" "-a" "7f76ad437e754240099428a07f173ba4535ad61d960df7f4eb3acbc65721f86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f76ad437e754240099428a07f173ba4535ad61d960df7f4eb3acbc65721f86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f76ad437e754240099428a07f173ba4535ad61d960df7f4eb3acbc65721f86c", kill_on_drop: false }`
[INFO] [stdout] 7f76ad437e754240099428a07f173ba4535ad61d960df7f4eb3acbc65721f86c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 463a1fb2817223feccc6ad77933d1866f923677cc6f3602220d26cfe0d6932c5
[INFO] running `Command { std: "docker" "start" "-a" "463a1fb2817223feccc6ad77933d1866f923677cc6f3602220d26cfe0d6932c5", 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] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking streaming-iterator v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_pcg v0.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking quickcheck v1.0.1
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking eigenvalues v0.3.1
[INFO] [stderr]     Checking iterative_methods v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.19s
[INFO] running `Command { std: "docker" "inspect" "463a1fb2817223feccc6ad77933d1866f923677cc6f3602220d26cfe0d6932c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463a1fb2817223feccc6ad77933d1866f923677cc6f3602220d26cfe0d6932c5", kill_on_drop: false }`
[INFO] [stdout] 463a1fb2817223feccc6ad77933d1866f923677cc6f3602220d26cfe0d6932c5
