[INFO] cloning 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" "clone" "--bare" "https://github.com/mschorsch/isolate-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschorsch%2Fisolate-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschorsch%2Fisolate-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aedc3a6fa6db94290fd6ffaa1a41dc4017ca5af6
[INFO] checking mschorsch/isolate-rs against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschorsch%2Fisolate-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mschorsch/isolate-rs on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-11/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 963ca57ec41b498314b58d8e8c326e67c6a67de1846047a9f4b48b4f4a0317ef
[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" "963ca57ec41b498314b58d8e8c326e67c6a67de1846047a9f4b48b4f4a0317ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "963ca57ec41b498314b58d8e8c326e67c6a67de1846047a9f4b48b4f4a0317ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963ca57ec41b498314b58d8e8c326e67c6a67de1846047a9f4b48b4f4a0317ef", kill_on_drop: false }`
[INFO] [stdout] 963ca57ec41b498314b58d8e8c326e67c6a67de1846047a9f4b48b4f4a0317ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 628e1e0fd415da324f07a52c40ae591faaa2340b307de0e975490481948a09a9
[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" "628e1e0fd415da324f07a52c40ae591faaa2340b307de0e975490481948a09a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking isolate-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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 the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 the macro `error_chain_processed` (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] [stdout] warning: use of deprecated associated function `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 the macro `error_chain_processed` (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 35.87s
[INFO] running `Command { std: "docker" "inspect" "628e1e0fd415da324f07a52c40ae591faaa2340b307de0e975490481948a09a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628e1e0fd415da324f07a52c40ae591faaa2340b307de0e975490481948a09a9", kill_on_drop: false }`
[INFO] [stdout] 628e1e0fd415da324f07a52c40ae591faaa2340b307de0e975490481948a09a9