[INFO] updating cached repository https://github.com/mschorsch/isolate-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aedc3a6fa6db94290fd6ffaa1a41dc4017ca5af6
[INFO] testing mschorsch/isolate-rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschorsch%2Fisolate-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mschorsch/isolate-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mschorsch/isolate-rs
[INFO] finished tweaking git repo https://github.com/mschorsch/isolate-rs
[INFO] tweaked toml for git repo https://github.com/mschorsch/isolate-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mschorsch/isolate-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d3d9649da91d87d91f87da81c1d6da620d41e9715a23d56f1b1bddcb94c9836
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d3d9649da91d87d91f87da81c1d6da620d41e9715a23d56f1b1bddcb94c9836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d3d9649da91d87d91f87da81c1d6da620d41e9715a23d56f1b1bddcb94c9836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d3d9649da91d87d91f87da81c1d6da620d41e9715a23d56f1b1bddcb94c9836", kill_on_drop: false }`
[INFO] [stdout] 9d3d9649da91d87d91f87da81c1d6da620d41e9715a23d56f1b1bddcb94c9836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cf7f6a815e54d35e1d4f7923a52f68d72d8ff8874930784c98fe4540db4f3d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7cf7f6a815e54d35e1d4f7923a52f68d72d8ff8874930784c98fe4540db4f3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling serde v1.0.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling isolate-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / error_chain! {
[INFO] [stdout] 24 | |
[INFO] [stdout] 25 | |     types {
[INFO] [stdout] 26 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     errors {}
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / error_chain! {
[INFO] [stdout] 24 | |
[INFO] [stdout] 25 | |     types {
[INFO] [stdout] 26 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     errors {}
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.82s
[INFO] running `Command { std: "docker" "inspect" "7cf7f6a815e54d35e1d4f7923a52f68d72d8ff8874930784c98fe4540db4f3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf7f6a815e54d35e1d4f7923a52f68d72d8ff8874930784c98fe4540db4f3d3", kill_on_drop: false }`
[INFO] [stdout] 7cf7f6a815e54d35e1d4f7923a52f68d72d8ff8874930784c98fe4540db4f3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61dd5d9517f67f2da3819aa4992fdba1c16937b5734eb4585a94e91715241f84
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61dd5d9517f67f2da3819aa4992fdba1c16937b5734eb4585a94e91715241f84", kill_on_drop: false }`
[INFO] [stderr]    Compiling isolate-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / error_chain! {
[INFO] [stdout] 24 | |
[INFO] [stdout] 25 | |     types {
[INFO] [stdout] 26 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     errors {}
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / error_chain! {
[INFO] [stdout] 24 | |
[INFO] [stdout] 25 | |     types {
[INFO] [stdout] 26 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     errors {}
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "61dd5d9517f67f2da3819aa4992fdba1c16937b5734eb4585a94e91715241f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61dd5d9517f67f2da3819aa4992fdba1c16937b5734eb4585a94e91715241f84", kill_on_drop: false }`
[INFO] [stdout] 61dd5d9517f67f2da3819aa4992fdba1c16937b5734eb4585a94e91715241f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63d09b8f85990fc0b4b80b114f609ac1577e945d3c8f28b255034cb44276b669
[INFO] running `Command { std: "docker" "start" "-a" "63d09b8f85990fc0b4b80b114f609ac1577e945d3c8f28b255034cb44276b669", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / error_chain! {
[INFO] [stderr] 24 | |
[INFO] [stderr] 25 | |     types {
[INFO] [stderr] 26 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     errors {}
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / error_chain! {
[INFO] [stderr] 24 | |
[INFO] [stderr] 25 | |     types {
[INFO] [stderr] 26 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     errors {}
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/isolate_rs-536e55abcb53c613
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63d09b8f85990fc0b4b80b114f609ac1577e945d3c8f28b255034cb44276b669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d09b8f85990fc0b4b80b114f609ac1577e945d3c8f28b255034cb44276b669", kill_on_drop: false }`
[INFO] [stdout] 63d09b8f85990fc0b4b80b114f609ac1577e945d3c8f28b255034cb44276b669