[INFO] fetching crate lakka 0.1.0...
[INFO] testing lakka-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate lakka 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate lakka 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lakka 0.1.0
[INFO] tweaked toml for crates.io crate lakka 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lakka 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lakka 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.5.9
[INFO] [stderr]   Downloaded smallvec v1.15.0
[INFO] [stderr]   Downloaded bincode_derive v2.0.1
[INFO] [stderr]   Downloaded unty v0.0.4
[INFO] [stderr]   Downloaded duration_helper v0.1.0
[INFO] [stderr]   Downloaded lakka_core v0.1.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.5
[INFO] [stderr]   Downloaded virtue v0.0.18
[INFO] [stderr]   Downloaded kanal v0.1.1
[INFO] [stderr]   Downloaded miniz_oxide v0.8.8
[INFO] [stderr]   Downloaded bincode v2.0.1
[INFO] [stderr]   Downloaded redox_syscall v0.5.11
[INFO] [stderr]   Downloaded lakka_macro v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.100
[INFO] [stderr]   Downloaded libc v0.2.172
[INFO] [stderr]   Downloaded tokio v1.44.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39e3c0c35065bb4b5a99424660fe79dbb8cba9834cac107e51650ba37a02127e
[INFO] running `Command { std: "docker" "start" "-a" "39e3c0c35065bb4b5a99424660fe79dbb8cba9834cac107e51650ba37a02127e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39e3c0c35065bb4b5a99424660fe79dbb8cba9834cac107e51650ba37a02127e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e3c0c35065bb4b5a99424660fe79dbb8cba9834cac107e51650ba37a02127e", kill_on_drop: false }`
[INFO] [stdout] 39e3c0c35065bb4b5a99424660fe79dbb8cba9834cac107e51650ba37a02127e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3013a11545ddf01529d23ffdeab05de39218810e864512fa638ea8b56f73c73
[INFO] running `Command { std: "docker" "start" "-a" "e3013a11545ddf01529d23ffdeab05de39218810e864512fa638ea8b56f73c73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling duration_helper v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling kanal v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling lakka_core v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling lakka_macro v0.1.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling lakka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.07s
[INFO] running `Command { std: "docker" "inspect" "e3013a11545ddf01529d23ffdeab05de39218810e864512fa638ea8b56f73c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3013a11545ddf01529d23ffdeab05de39218810e864512fa638ea8b56f73c73", kill_on_drop: false }`
[INFO] [stdout] e3013a11545ddf01529d23ffdeab05de39218810e864512fa638ea8b56f73c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb7eca4e1942cc80550cedcafb1ebb766a5f83130eaaca7107f5b1c3c90fe7e
[INFO] running `Command { std: "docker" "start" "-a" "5fb7eca4e1942cc80550cedcafb1ebb766a5f83130eaaca7107f5b1c3c90fe7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling lakka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/enum.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Zuumo(u32),
[INFO] [stdout]   |     ----- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `State` 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] 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] 8 -     Zuumo(u32),
[INFO] [stdout] 8 +     Zuumo(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `msg` is never read
[INFO] [stdout]  --> examples/ping_message.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct EverySecond {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 8 |     msg: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EverySecond` has derived impls for the traits `Clone` and `Debug`, but these are 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 `name` is never read
[INFO] [stdout]   --> examples/chat.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct ChatUser {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.62s
[INFO] running `Command { std: "docker" "inspect" "5fb7eca4e1942cc80550cedcafb1ebb766a5f83130eaaca7107f5b1c3c90fe7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb7eca4e1942cc80550cedcafb1ebb766a5f83130eaaca7107f5b1c3c90fe7e", kill_on_drop: false }`
[INFO] [stdout] 5fb7eca4e1942cc80550cedcafb1ebb766a5f83130eaaca7107f5b1c3c90fe7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f671408c3ad8608c523313ff8bffc28ed4376417ec203a6eb4873a12902ae1de
[INFO] running `Command { std: "docker" "start" "-a" "f671408c3ad8608c523313ff8bffc28ed4376417ec203a6eb4873a12902ae1de", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> examples/chat.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct ChatUser {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 43 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[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]  --> examples/enum.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Zuumo(u32),
[INFO] [stderr]   |     ----- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 8 -     Zuumo(u32),
[INFO] [stderr] 8 +     Zuumo(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `msg` is never read
[INFO] [stderr]  --> examples/ping_message.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct EverySecond {
[INFO] [stderr]   |            ----------- field in this struct
[INFO] [stderr] 8 |     msg: String,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `EverySecond` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lakka` (example "chat") generated 1 warning
[INFO] [stderr] warning: `lakka` (example "enum") generated 1 warning
[INFO] [stderr] warning: `lakka` (example "ping_message") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lakka-7bab71d4147f9fb8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test channels::interval_channel::test ... ok
[INFO] [stderr]    Doc-tests lakka
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "f671408c3ad8608c523313ff8bffc28ed4376417ec203a6eb4873a12902ae1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f671408c3ad8608c523313ff8bffc28ed4376417ec203a6eb4873a12902ae1de", kill_on_drop: false }`
[INFO] [stdout] f671408c3ad8608c523313ff8bffc28ed4376417ec203a6eb4873a12902ae1de