[INFO] cloning repository https://github.com/npmccallum/isonet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/npmccallum/isonet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpmccallum%2Fisonet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpmccallum%2Fisonet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b06a07e0cc71a4a16ceee6599b87d083d6a704e
[INFO] testing npmccallum/isonet against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnpmccallum%2Fisonet" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/npmccallum/isonet on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/npmccallum/isonet
[INFO] finished tweaking git repo https://github.com/npmccallum/isonet
[INFO] tweaked toml for git repo https://github.com/npmccallum/isonet written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/npmccallum/isonet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netlink-packet-core v0.2.4
[INFO] [stderr]   Downloaded netlink-packet-utils v0.4.0
[INFO] [stderr]   Downloaded netlink-sys v0.6.0
[INFO] [stderr]   Downloaded netlink-packet-route v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a6f8dcb88a2d461216df763be0cb2f7fcef3d7e8e1b979a3cab736b4ef7f462
[INFO] running `Command { std: "docker" "start" "-a" "4a6f8dcb88a2d461216df763be0cb2f7fcef3d7e8e1b979a3cab736b4ef7f462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a6f8dcb88a2d461216df763be0cb2f7fcef3d7e8e1b979a3cab736b4ef7f462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6f8dcb88a2d461216df763be0cb2f7fcef3d7e8e1b979a3cab736b4ef7f462", kill_on_drop: false }`
[INFO] [stdout] 4a6f8dcb88a2d461216df763be0cb2f7fcef3d7e8e1b979a3cab736b4ef7f462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a13db690b55341205c6453d2f91262f5489a6b65ac88c45472ebe1105a89852c
[INFO] running `Command { std: "docker" "start" "-a" "a13db690b55341205c6453d2f91262f5489a6b65ac88c45472ebe1105a89852c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling netlink-sys v0.6.0
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling netlink-packet-utils v0.4.0
[INFO] [stderr]    Compiling netlink-packet-core v0.2.4
[INFO] [stderr]    Compiling netlink-packet-route v0.7.0
[INFO] [stderr]    Compiling isol8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.27s
[INFO] running `Command { std: "docker" "inspect" "a13db690b55341205c6453d2f91262f5489a6b65ac88c45472ebe1105a89852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13db690b55341205c6453d2f91262f5489a6b65ac88c45472ebe1105a89852c", kill_on_drop: false }`
[INFO] [stdout] a13db690b55341205c6453d2f91262f5489a6b65ac88c45472ebe1105a89852c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da5c795c9e3fa000a468398f31d87963e55bad6a392b4ad9d4150b32d07e60e
[INFO] running `Command { std: "docker" "start" "-a" "2da5c795c9e3fa000a468398f31d87963e55bad6a392b4ad9d4150b32d07e60e", kill_on_drop: false }`
[INFO] [stderr]    Compiling isol8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "2da5c795c9e3fa000a468398f31d87963e55bad6a392b4ad9d4150b32d07e60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da5c795c9e3fa000a468398f31d87963e55bad6a392b4ad9d4150b32d07e60e", kill_on_drop: false }`
[INFO] [stdout] 2da5c795c9e3fa000a468398f31d87963e55bad6a392b4ad9d4150b32d07e60e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e7a97e6e9c8fd55fa65d0114e4dc6a62f9082c127c643f2a74342c9e11fde6e
[INFO] running `Command { std: "docker" "start" "-a" "9e7a97e6e9c8fd55fa65d0114e4dc6a62f9082c127c643f2a74342c9e11fde6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/isol8-6e1f50ad85f65902)
[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" "9e7a97e6e9c8fd55fa65d0114e4dc6a62f9082c127c643f2a74342c9e11fde6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7a97e6e9c8fd55fa65d0114e4dc6a62f9082c127c643f2a74342c9e11fde6e", kill_on_drop: false }`
[INFO] [stdout] 9e7a97e6e9c8fd55fa65d0114e4dc6a62f9082c127c643f2a74342c9e11fde6e