[INFO] cloning repository https://github.com/whiteavian/cryptopals_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whiteavian/cryptopals_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhiteavian%2Fcryptopals_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhiteavian%2Fcryptopals_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 584a3ebb16389e2b7750c27ec70048bd6485c7aa
[INFO] testing whiteavian/cryptopals_rust against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhiteavian%2Fcryptopals_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whiteavian/cryptopals_rust on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whiteavian/cryptopals_rust
[INFO] finished tweaking git repo https://github.com/whiteavian/cryptopals_rust
[INFO] tweaked toml for git repo https://github.com/whiteavian/cryptopals_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/whiteavian/cryptopals_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 321382c3279972690dc9fbf62e8579825cb6022de2c869af6e95b19018a16172
[INFO] running `Command { std: "docker" "start" "-a" "321382c3279972690dc9fbf62e8579825cb6022de2c869af6e95b19018a16172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "321382c3279972690dc9fbf62e8579825cb6022de2c869af6e95b19018a16172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "321382c3279972690dc9fbf62e8579825cb6022de2c869af6e95b19018a16172", kill_on_drop: false }`
[INFO] [stdout] 321382c3279972690dc9fbf62e8579825cb6022de2c869af6e95b19018a16172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] be681b5da029efb766548608c7863237af6cf54a9154d55236cd2822492a88da
[INFO] running `Command { std: "docker" "start" "-a" "be681b5da029efb766548608c7863237af6cf54a9154d55236cd2822492a88da", kill_on_drop: false }`
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling data-encoding v2.0.0-rc.2
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::Read;
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "be681b5da029efb766548608c7863237af6cf54a9154d55236cd2822492a88da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be681b5da029efb766548608c7863237af6cf54a9154d55236cd2822492a88da", kill_on_drop: false }`
[INFO] [stdout] be681b5da029efb766548608c7863237af6cf54a9154d55236cd2822492a88da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1bae45b0591ffb109834fe309c2ed7f89fa6aefcbfe8cd93a23054534e9e8bd6
[INFO] running `Command { std: "docker" "start" "-a" "1bae45b0591ffb109834fe309c2ed7f89fa6aefcbfe8cd93a23054534e9e8bd6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1bae45b0591ffb109834fe309c2ed7f89fa6aefcbfe8cd93a23054534e9e8bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bae45b0591ffb109834fe309c2ed7f89fa6aefcbfe8cd93a23054534e9e8bd6", kill_on_drop: false }`
[INFO] [stdout] 1bae45b0591ffb109834fe309c2ed7f89fa6aefcbfe8cd93a23054534e9e8bd6