[INFO] fetching crate encoding_rs_rw 0.4.2...
[INFO] testing encoding_rs_rw-0.4.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] extracting crate encoding_rs_rw 0.4.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate encoding_rs_rw 0.4.2
[INFO] finished tweaking crates.io crate encoding_rs_rw 0.4.2
[INFO] tweaked toml for crates.io crate encoding_rs_rw 0.4.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate encoding_rs_rw 0.4.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92a5e1069ae814b5e8de5e4cab3391a8eabc0a9b1ffeb296827223f9446d6fe0
[INFO] running `Command { std: "docker" "start" "-a" "92a5e1069ae814b5e8de5e4cab3391a8eabc0a9b1ffeb296827223f9446d6fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92a5e1069ae814b5e8de5e4cab3391a8eabc0a9b1ffeb296827223f9446d6fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a5e1069ae814b5e8de5e4cab3391a8eabc0a9b1ffeb296827223f9446d6fe0", kill_on_drop: false }`
[INFO] [stdout] 92a5e1069ae814b5e8de5e4cab3391a8eabc0a9b1ffeb296827223f9446d6fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd581e890518af25c13e33158c3bf8f3f6161e2bd7fc8fb0755f797a97f8a0c4
[INFO] running `Command { std: "docker" "start" "-a" "bd581e890518af25c13e33158c3bf8f3f6161e2bd7fc8fb0755f797a97f8a0c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs_rw v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/writer.rs:279:24
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn passthrough(&mut self) -> PassthroughWriter<B> {
[INFO] [stdout]     |                        ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn passthrough(&mut self) -> PassthroughWriter<'_, B> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/writer.rs:322:27
[INFO] [stdout]     |
[INFO] [stdout] 320 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 321 |         handler: impl FnMut(UnmappableError, &mut PassthroughWriter<B>) -> io::Result<()> + 'a,
[INFO] [stdout] 322 |     ) -> impl io::Write + '_ {
[INFO] [stdout]     |                           ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 322 -     ) -> impl io::Write + '_ {
[INFO] [stdout] 322 +     ) -> impl io::Write + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "bd581e890518af25c13e33158c3bf8f3f6161e2bd7fc8fb0755f797a97f8a0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd581e890518af25c13e33158c3bf8f3f6161e2bd7fc8fb0755f797a97f8a0c4", kill_on_drop: false }`
[INFO] [stdout] bd581e890518af25c13e33158c3bf8f3f6161e2bd7fc8fb0755f797a97f8a0c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4029854c90d65562ee8b53d11e811aee7fa9104f6154608335542599b5972b48
[INFO] running `Command { std: "docker" "start" "-a" "4029854c90d65562ee8b53d11e811aee7fa9104f6154608335542599b5972b48", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: unable to apply cgroup configuration: unable to start unit "docker-4029854c90d65562ee8b53d11e811aee7fa9104f6154608335542599b5972b48.scope" (properties [{Name:Description Value:"libcontainer container 4029854c90d65562ee8b53d11e811aee7fa9104f6154608335542599b5972b48"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [3758631]} {Name:MemoryAccounting Value:true} {Name:CPUAccounting Value:true} {Name:IOAccounting Value:true} {Name:TasksAccounting Value:true} {Name:DefaultDependencies Value:false}]): Message recipient disconnected from message bus without replying: unknown
[INFO] running `Command { std: "docker" "inspect" "4029854c90d65562ee8b53d11e811aee7fa9104f6154608335542599b5972b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4029854c90d65562ee8b53d11e811aee7fa9104f6154608335542599b5972b48", kill_on_drop: false }`
[INFO] [stdout] 4029854c90d65562ee8b53d11e811aee7fa9104f6154608335542599b5972b48
