[INFO] cloning repository https://github.com/neondatabase/vm-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neondatabase/vm-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneondatabase%2Fvm-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneondatabase%2Fvm-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c08b7b5bfc54f977109c5883832802c988069407
[INFO] testing neondatabase/vm-monitor against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneondatabase%2Fvm-monitor" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/neondatabase/vm-monitor
[INFO] finished tweaking git repo https://github.com/neondatabase/vm-monitor
[INFO] tweaked toml for git repo https://github.com/neondatabase/vm-monitor written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neondatabase/vm-monitor on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
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[INFO] crate git repo https://github.com/neondatabase/vm-monitor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: field `proto_version` is never read
[INFO] [stdout]   --> src/dispatcher.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Dispatcher {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub(crate) proto_version: ProtocolVersion,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dispatcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cgroup.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Upscale(Resources),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 88 -     Upscale(Resources),
[INFO] [stdout] 88 +     Upscale(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cgroup.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     MemoryHigh(u64),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 91 -     MemoryHigh(u64),
[INFO] [stdout] 91 +     MemoryHigh(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]    --> src/cgroup.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl<T> PeekableStream<T> {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub async fn peek(&mut self) -> Option<&T> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "d07603a825d90b154a69b4c7d95a072b6f2c31572b8c31ea96a9f24d5bfadceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07603a825d90b154a69b4c7d95a072b6f2c31572b8c31ea96a9f24d5bfadceb", kill_on_drop: false }`
[INFO] [stdout] d07603a825d90b154a69b4c7d95a072b6f2c31572b8c31ea96a9f24d5bfadceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 4770d7d12250684c2845fd852fac14705b00c8f9a4fef985731dbb8f1b8b8f97
[INFO] running `Command { std: "docker" "start" "-a" "4770d7d12250684c2845fd852fac14705b00c8f9a4fef985731dbb8f1b8b8f97", kill_on_drop: false }`
[INFO] [stdout] warning: field `proto_version` is never read
[INFO] [stdout]   --> src/dispatcher.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Dispatcher {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub(crate) proto_version: ProtocolVersion,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dispatcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vm-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cgroup.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Upscale(Resources),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 88 -     Upscale(Resources),
[INFO] [stdout] 88 +     Upscale(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cgroup.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     MemoryHigh(u64),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 91 -     MemoryHigh(u64),
[INFO] [stdout] 91 +     MemoryHigh(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]    --> src/cgroup.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl<T> PeekableStream<T> {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub async fn peek(&mut self) -> Option<&T> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `proto_version` is never read
[INFO] [stdout]   --> src/dispatcher.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Dispatcher {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub(crate) proto_version: ProtocolVersion,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dispatcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cgroup.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Upscale(Resources),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 88 -     Upscale(Resources),
[INFO] [stdout] 88 +     Upscale(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cgroup.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     MemoryHigh(u64),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 91 -     MemoryHigh(u64),
[INFO] [stdout] 91 +     MemoryHigh(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]    --> src/cgroup.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl<T> PeekableStream<T> {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub async fn peek(&mut self) -> Option<&T> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `Command { std: "docker" "inspect" "4770d7d12250684c2845fd852fac14705b00c8f9a4fef985731dbb8f1b8b8f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4770d7d12250684c2845fd852fac14705b00c8f9a4fef985731dbb8f1b8b8f97", kill_on_drop: false }`
[INFO] [stdout] 4770d7d12250684c2845fd852fac14705b00c8f9a4fef985731dbb8f1b8b8f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] a4d6c3c7743f69a1abbaa0ecbef8f8a5678339a4e266226dba8d6b7a702524cd
[INFO] running `Command { std: "docker" "start" "-a" "a4d6c3c7743f69a1abbaa0ecbef8f8a5678339a4e266226dba8d6b7a702524cd", kill_on_drop: false }`
[INFO] [stderr] warning: field `proto_version` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/dispatcher.rs:52:16
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 32 | pub struct Dispatcher {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stdout] 
[INFO] [stderr] 52 |     pub(crate) proto_version: ProtocolVersion,
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: `Dispatcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/cgroup.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Upscale(Resources),
[INFO] [stderr]    |     ------- ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 88 -     Upscale(Resources),
[INFO] [stderr] 88 +     Upscale(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/cgroup.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     MemoryHigh(u64),
[INFO] [stderr]    |     ---------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 91 -     MemoryHigh(u64),
[INFO] [stderr] 91 +     MemoryHigh(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: method `peek` is never used
[INFO] [stderr]    --> src/cgroup.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 114 | impl<T> PeekableStream<T> {
[INFO] [stderr]     | ------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 140 |     pub async fn peek(&mut self) -> Option<&T> {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vm-monitor` (lib) generated 4 warnings
[INFO] [stderr] warning: `vm-monitor` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/vm-monitor/c1b76fe94b330fd7/deps/vm_monitor-c1b76fe94b330fd7)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/vm-monitor/85f2544045c0fe8f/deps/vm_monitor-85f2544045c0fe8f)
[INFO] [stderr]    Doc-tests vm_monitor
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/protocol.rs - protocol (line 21) ... FAILED
[INFO] [stdout] test src/protocol.rs - protocol (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/protocol.rs - protocol (line 21) stdout ----
[INFO] [stdout] error: expected identifier, found `{`
[INFO] [stdout]   --> src/protocol.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct {
[INFO] [stdout]    |        ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/protocol.rs - protocol (line 13) stdout ----
[INFO] [stdout] error: expected identifier, found `{`
[INFO] [stdout]   --> src/protocol.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct {
[INFO] [stdout]    |        ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/protocol.rs - protocol (line 13)
[INFO] [stdout]     src/protocol.rs - protocol (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a4d6c3c7743f69a1abbaa0ecbef8f8a5678339a4e266226dba8d6b7a702524cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d6c3c7743f69a1abbaa0ecbef8f8a5678339a4e266226dba8d6b7a702524cd", kill_on_drop: false }`
[INFO] [stdout] a4d6c3c7743f69a1abbaa0ecbef8f8a5678339a4e266226dba8d6b7a702524cd
