[INFO] cloning repository https://github.com/kermit4/first_8_hours_of_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kermit4/first_8_hours_of_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermit4%2Ffirst_8_hours_of_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermit4%2Ffirst_8_hours_of_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb3a8a0ee401bfeba0085542e5ee0d82aef90e78
[INFO] testing kermit4/first_8_hours_of_rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermit4%2Ffirst_8_hours_of_rust" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kermit4/first_8_hours_of_rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kermit4/first_8_hours_of_rust
[INFO] finished tweaking git repo https://github.com/kermit4/first_8_hours_of_rust
[INFO] tweaked toml for git repo https://github.com/kermit4/first_8_hours_of_rust written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/kermit4/first_8_hours_of_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded serde-big-array v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfc49ad3b01710f79255e0a8e07ea87d8b9ca06a6362a47ad4c7e9fb0b4cb4be
[INFO] running `Command { std: "docker" "start" "-a" "bfc49ad3b01710f79255e0a8e07ea87d8b9ca06a6362a47ad4c7e9fb0b4cb4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc49ad3b01710f79255e0a8e07ea87d8b9ca06a6362a47ad4c7e9fb0b4cb4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc49ad3b01710f79255e0a8e07ea87d8b9ca06a6362a47ad4c7e9fb0b4cb4be", kill_on_drop: false }`
[INFO] [stdout] bfc49ad3b01710f79255e0a8e07ea87d8b9ca06a6362a47ad4c7e9fb0b4cb4be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8830f74503c6c9b98c81364b5419ac6e4edc231f19b368a9cc91311dc95cfce7
[INFO] running `Command { std: "docker" "start" "-a" "8830f74503c6c9b98c81364b5419ac6e4edc231f19b368a9cc91311dc95cfce7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde-big-array v0.3.1
[INFO] [stderr]    Compiling bincode v1.3.2
[INFO] [stderr]    Compiling udp_uploader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "8830f74503c6c9b98c81364b5419ac6e4edc231f19b368a9cc91311dc95cfce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8830f74503c6c9b98c81364b5419ac6e4edc231f19b368a9cc91311dc95cfce7", kill_on_drop: false }`
[INFO] [stdout] 8830f74503c6c9b98c81364b5419ac6e4edc231f19b368a9cc91311dc95cfce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8234b334232c88912ecbd260df36e3f18216c583a65b9ab05158cf52409f6380
[INFO] running `Command { std: "docker" "start" "-a" "8234b334232c88912ecbd260df36e3f18216c583a65b9ab05158cf52409f6380", kill_on_drop: false }`
[INFO] [stderr]    Compiling udp_uploader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "8234b334232c88912ecbd260df36e3f18216c583a65b9ab05158cf52409f6380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8234b334232c88912ecbd260df36e3f18216c583a65b9ab05158cf52409f6380", kill_on_drop: false }`
[INFO] [stdout] 8234b334232c88912ecbd260df36e3f18216c583a65b9ab05158cf52409f6380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2e8157f97168a99b99b0d536cdc4116f8da57958e768cc2afd7aa666597bab1
[INFO] running `Command { std: "docker" "start" "-a" "d2e8157f97168a99b99b0d536cdc4116f8da57958e768cc2afd7aa666597bab1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/udp_uploader-a0a8fbab55a36c38)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d2e8157f97168a99b99b0d536cdc4116f8da57958e768cc2afd7aa666597bab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e8157f97168a99b99b0d536cdc4116f8da57958e768cc2afd7aa666597bab1", kill_on_drop: false }`
[INFO] [stdout] d2e8157f97168a99b99b0d536cdc4116f8da57958e768cc2afd7aa666597bab1