[INFO] fetching crate crates-readme-demo 0.0.1...
[INFO] testing crates-readme-demo-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate crates-readme-demo 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate crates-readme-demo 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crates-readme-demo 0.0.1
[INFO] finished tweaking crates.io crate crates-readme-demo 0.0.1
[INFO] tweaked toml for crates.io crate crates-readme-demo 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ea9c23b5f8c91212a2a095e61310cd3ba6c1c3ea49d616417d97bcab9238714
[INFO] running `Command { std: "docker" "start" "-a" "9ea9c23b5f8c91212a2a095e61310cd3ba6c1c3ea49d616417d97bcab9238714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea9c23b5f8c91212a2a095e61310cd3ba6c1c3ea49d616417d97bcab9238714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea9c23b5f8c91212a2a095e61310cd3ba6c1c3ea49d616417d97bcab9238714", kill_on_drop: false }`
[INFO] [stdout] 9ea9c23b5f8c91212a2a095e61310cd3ba6c1c3ea49d616417d97bcab9238714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea4ebdc9d6ec428e124c34216bd91625f2b4c32d653881e2cba0d880215cd52
[INFO] running `Command { std: "docker" "start" "-a" "2ea4ebdc9d6ec428e124c34216bd91625f2b4c32d653881e2cba0d880215cd52", kill_on_drop: false }`
[INFO] [stderr]    Compiling crates-readme-demo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "2ea4ebdc9d6ec428e124c34216bd91625f2b4c32d653881e2cba0d880215cd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea4ebdc9d6ec428e124c34216bd91625f2b4c32d653881e2cba0d880215cd52", kill_on_drop: false }`
[INFO] [stdout] 2ea4ebdc9d6ec428e124c34216bd91625f2b4c32d653881e2cba0d880215cd52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2ff1795e72520d1254ecd980263e359276739ef7c7c43f113865551f6bc9e35
[INFO] running `Command { std: "docker" "start" "-a" "d2ff1795e72520d1254ecd980263e359276739ef7c7c43f113865551f6bc9e35", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crates-readme-demo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/crates_readme_demo-b3239cfb3ae3e8d7)
[INFO] running `Command { std: "docker" "inspect" "d2ff1795e72520d1254ecd980263e359276739ef7c7c43f113865551f6bc9e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ff1795e72520d1254ecd980263e359276739ef7c7c43f113865551f6bc9e35", kill_on_drop: false }`
[INFO] [stdout] d2ff1795e72520d1254ecd980263e359276739ef7c7c43f113865551f6bc9e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8305b25da032caf30b8ba83ad638f7c19339350202ce83f386908e687e99be6a
[INFO] running `Command { std: "docker" "start" "-a" "8305b25da032caf30b8ba83ad638f7c19339350202ce83f386908e687e99be6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crates_readme_demo-b3239cfb3ae3e8d7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crates-readme-demo
[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] [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" "8305b25da032caf30b8ba83ad638f7c19339350202ce83f386908e687e99be6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8305b25da032caf30b8ba83ad638f7c19339350202ce83f386908e687e99be6a", kill_on_drop: false }`
[INFO] [stdout] 8305b25da032caf30b8ba83ad638f7c19339350202ce83f386908e687e99be6a