[INFO] fetching crate zkstate 0.1.23...
[INFO] testing zkstate-0.1.23 against 1.60.0 for beta-1.61-1
[INFO] extracting crate zkstate 0.1.23 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate zkstate 0.1.23 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zkstate 0.1.23
[INFO] finished tweaking crates.io crate zkstate 0.1.23
[INFO] tweaked toml for crates.io crate zkstate 0.1.23 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate crates.io crate zkstate 0.1.23 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded treediff v4.0.0
[INFO] [stderr]   Downloaded bitflags v1.3.1
[INFO] [stderr]   Downloaded zookeeper v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f6d3d1af4507b4b66e0c8c5b092c7ccc7409ee13ade8050cf2ef5fd5dabd8fd
[INFO] running `Command { std: "docker" "start" "-a" "1f6d3d1af4507b4b66e0c8c5b092c7ccc7409ee13ade8050cf2ef5fd5dabd8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f6d3d1af4507b4b66e0c8c5b092c7ccc7409ee13ade8050cf2ef5fd5dabd8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6d3d1af4507b4b66e0c8c5b092c7ccc7409ee13ade8050cf2ef5fd5dabd8fd", kill_on_drop: false }`
[INFO] [stdout] 1f6d3d1af4507b4b66e0c8c5b092c7ccc7409ee13ade8050cf2ef5fd5dabd8fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f6737ab412af63fc763779cad884e9767703d1151c6ab6c113f49bdb4f90f57
[INFO] running `Command { std: "docker" "start" "-a" "0f6737ab412af63fc763779cad884e9767703d1151c6ab6c113f49bdb4f90f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1
[INFO] [stderr]    Compiling zookeeper v0.6.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling treediff v4.0.0
[INFO] [stderr]    Compiling zkstate v0.1.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.23s
[INFO] running `Command { std: "docker" "inspect" "0f6737ab412af63fc763779cad884e9767703d1151c6ab6c113f49bdb4f90f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6737ab412af63fc763779cad884e9767703d1151c6ab6c113f49bdb4f90f57", kill_on_drop: false }`
[INFO] [stdout] 0f6737ab412af63fc763779cad884e9767703d1151c6ab6c113f49bdb4f90f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa6542b965a63449ad87a5eed1f852d6f19a80184b4329e34ddace30d76780a0
[INFO] running `Command { std: "docker" "start" "-a" "aa6542b965a63449ad87a5eed1f852d6f19a80184b4329e34ddace30d76780a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling zkstate v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `update`
[INFO] [stdout]   --> examples/test.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn update<T: FnOnce(&mut Testing)>(i: Testing, c: T) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/test.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     c.update_handler(|msg| {
[INFO] [stdout] 48 | |         println!("got stage change message: {:?}", msg);
[INFO] [stdout] 49 | |     });
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/test.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | /     c.update(|mut p| {
[INFO] [stdout] 63 | |        p.my_field = "hello world again".to_string()
[INFO] [stdout] 64 | |     });
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.47s
[INFO] running `Command { std: "docker" "inspect" "aa6542b965a63449ad87a5eed1f852d6f19a80184b4329e34ddace30d76780a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6542b965a63449ad87a5eed1f852d6f19a80184b4329e34ddace30d76780a0", kill_on_drop: false }`
[INFO] [stdout] aa6542b965a63449ad87a5eed1f852d6f19a80184b4329e34ddace30d76780a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16f1c8bcb17b0189d97759b4e27acd96c92aae71b427c4fc743e7adbfad77f2b
[INFO] running `Command { std: "docker" "start" "-a" "16f1c8bcb17b0189d97759b4e27acd96c92aae71b427c4fc743e7adbfad77f2b", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `update`
[INFO] [stdout] 
[INFO] [stderr]   --> examples/test.rs:27:4
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 27 | fn update<T: FnOnce(&mut Testing)>(i: Testing, c: T) {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/test.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     c.update_handler(|msg| {
[INFO] [stderr] 48 | |         println!("got stage change message: {:?}", msg);
[INFO] [stderr] 49 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/test.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | /     c.update(|mut p| {
[INFO] [stderr] 63 | |        p.my_field = "hello world again".to_string()
[INFO] [stderr] 64 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `zkstate` (example "test") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zkstate-36ab455a11d76995)
[INFO] [stderr]    Doc-tests zkstate
[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" "16f1c8bcb17b0189d97759b4e27acd96c92aae71b427c4fc743e7adbfad77f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f1c8bcb17b0189d97759b4e27acd96c92aae71b427c4fc743e7adbfad77f2b", kill_on_drop: false }`
[INFO] [stdout] 16f1c8bcb17b0189d97759b4e27acd96c92aae71b427c4fc743e7adbfad77f2b