[INFO] fetching crate NULL 1.2.0...
[INFO] testing NULL-1.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate NULL 1.2.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate NULL 1.2.0 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 NULL 1.2.0
[INFO] finished tweaking crates.io crate NULL 1.2.0
[INFO] tweaked toml for crates.io crate NULL 1.2.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate crates.io crate NULL 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 69f15ea0cfae9fdb604c62c9793ef08b973e40bf58a9def9dedc5a1ed5f67ed2
[INFO] running `Command { std: "docker" "start" "-a" "69f15ea0cfae9fdb604c62c9793ef08b973e40bf58a9def9dedc5a1ed5f67ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69f15ea0cfae9fdb604c62c9793ef08b973e40bf58a9def9dedc5a1ed5f67ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f15ea0cfae9fdb604c62c9793ef08b973e40bf58a9def9dedc5a1ed5f67ed2", kill_on_drop: false }`
[INFO] [stdout] 69f15ea0cfae9fdb604c62c9793ef08b973e40bf58a9def9dedc5a1ed5f67ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 4efecc6bcddbac1aaae3c2a2a5d95b68fdeada6e1975ebc9da67afe210279954
[INFO] running `Command { std: "docker" "start" "-a" "4efecc6bcddbac1aaae3c2a2a5d95b68fdeada6e1975ebc9da67afe210279954", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling primal-estimate v0.3.1
[INFO] [stderr]    Compiling primal-bit v0.3.0
[INFO] [stderr]    Compiling primal-sieve v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling NULL v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "4efecc6bcddbac1aaae3c2a2a5d95b68fdeada6e1975ebc9da67afe210279954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efecc6bcddbac1aaae3c2a2a5d95b68fdeada6e1975ebc9da67afe210279954", kill_on_drop: false }`
[INFO] [stdout] 4efecc6bcddbac1aaae3c2a2a5d95b68fdeada6e1975ebc9da67afe210279954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 04479f67c8cd1a65b38fbbba58293bdc6713e18be65683c624658ff305f21e3d
[INFO] running `Command { std: "docker" "start" "-a" "04479f67c8cd1a65b38fbbba58293bdc6713e18be65683c624658ff305f21e3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling NULL v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/NULL-c6922b8506a12c08)
[INFO] running `Command { std: "docker" "inspect" "04479f67c8cd1a65b38fbbba58293bdc6713e18be65683c624658ff305f21e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04479f67c8cd1a65b38fbbba58293bdc6713e18be65683c624658ff305f21e3d", kill_on_drop: false }`
[INFO] [stdout] 04479f67c8cd1a65b38fbbba58293bdc6713e18be65683c624658ff305f21e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 254c7dba71646a2507ff64fb15c0a8d6d98922ba4e2ca5c6c156114f7f57229a
[INFO] running `Command { std: "docker" "start" "-a" "254c7dba71646a2507ff64fb15c0a8d6d98922ba4e2ca5c6c156114f7f57229a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/NULL-c6922b8506a12c08)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test vm::tests::hello_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "254c7dba71646a2507ff64fb15c0a8d6d98922ba4e2ca5c6c156114f7f57229a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254c7dba71646a2507ff64fb15c0a8d6d98922ba4e2ca5c6c156114f7f57229a", kill_on_drop: false }`
[INFO] [stdout] 254c7dba71646a2507ff64fb15c0a8d6d98922ba4e2ca5c6c156114f7f57229a