[INFO] fetching crate holds 0.1.0...
[INFO] testing holds-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate holds 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate holds 0.1.0 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 holds 0.1.0
[INFO] finished tweaking crates.io crate holds 0.1.0
[INFO] tweaked toml for crates.io crate holds 0.1.0 written to /workspace/builds/worker-29/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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 3f3fa4d6db5aa197f37a09026771efd40cf3e5736f7a87d00d9c7148f29094ca
[INFO] running `Command { std: "docker" "start" "-a" "3f3fa4d6db5aa197f37a09026771efd40cf3e5736f7a87d00d9c7148f29094ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3fa4d6db5aa197f37a09026771efd40cf3e5736f7a87d00d9c7148f29094ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3fa4d6db5aa197f37a09026771efd40cf3e5736f7a87d00d9c7148f29094ca", kill_on_drop: false }`
[INFO] [stdout] 3f3fa4d6db5aa197f37a09026771efd40cf3e5736f7a87d00d9c7148f29094ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] b0e5cbe41809d6141a3b61ae88993fdbadc22a1eab4cffa0b95208d840534d95
[INFO] running `Command { std: "docker" "start" "-a" "b0e5cbe41809d6141a3b61ae88993fdbadc22a1eab4cffa0b95208d840534d95", kill_on_drop: false }`
[INFO] [stderr]    Compiling holds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b0e5cbe41809d6141a3b61ae88993fdbadc22a1eab4cffa0b95208d840534d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e5cbe41809d6141a3b61ae88993fdbadc22a1eab4cffa0b95208d840534d95", kill_on_drop: false }`
[INFO] [stdout] b0e5cbe41809d6141a3b61ae88993fdbadc22a1eab4cffa0b95208d840534d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] efa5ec0ead448f55e405dffb857b73d611d07c8ebc460a79dc40c01e09e815b3
[INFO] running `Command { std: "docker" "start" "-a" "efa5ec0ead448f55e405dffb857b73d611d07c8ebc460a79dc40c01e09e815b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling holds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/holds-9a190a4d625e3126)
[INFO] running `Command { std: "docker" "inspect" "efa5ec0ead448f55e405dffb857b73d611d07c8ebc460a79dc40c01e09e815b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa5ec0ead448f55e405dffb857b73d611d07c8ebc460a79dc40c01e09e815b3", kill_on_drop: false }`
[INFO] [stdout] efa5ec0ead448f55e405dffb857b73d611d07c8ebc460a79dc40c01e09e815b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 4fed2990574eadb46a9d337c2e55a9a94b297cdf5f7589c8564f05b424790760
[INFO] running `Command { std: "docker" "start" "-a" "4fed2990574eadb46a9d337c2e55a9a94b297cdf5f7589c8564f05b424790760", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/holds-9a190a4d625e3126)
[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] [stderr]    Doc-tests holds
[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" "4fed2990574eadb46a9d337c2e55a9a94b297cdf5f7589c8564f05b424790760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fed2990574eadb46a9d337c2e55a9a94b297cdf5f7589c8564f05b424790760", kill_on_drop: false }`
[INFO] [stdout] 4fed2990574eadb46a9d337c2e55a9a94b297cdf5f7589c8564f05b424790760