[INFO] fetching crate observable-rs 0.0.1...
[INFO] testing observable-rs-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate observable-rs 0.0.1 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate observable-rs 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate observable-rs 0.0.1
[INFO] finished tweaking crates.io crate observable-rs 0.0.1
[INFO] tweaked toml for crates.io crate observable-rs 0.0.1 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb5a693655fc3a6ae1ef940fa4314d94ecda12c7a4fcc8e1a5b9c926675f6dfb
[INFO] running `Command { std: "docker" "start" "-a" "eb5a693655fc3a6ae1ef940fa4314d94ecda12c7a4fcc8e1a5b9c926675f6dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb5a693655fc3a6ae1ef940fa4314d94ecda12c7a4fcc8e1a5b9c926675f6dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5a693655fc3a6ae1ef940fa4314d94ecda12c7a4fcc8e1a5b9c926675f6dfb", kill_on_drop: false }`
[INFO] [stdout] eb5a693655fc3a6ae1ef940fa4314d94ecda12c7a4fcc8e1a5b9c926675f6dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b6d1dcd7534f760502dda5b354aa19e5f46b6ea55188c1a36fcf0335f2d5c4d
[INFO] running `Command { std: "docker" "start" "-a" "6b6d1dcd7534f760502dda5b354aa19e5f46b6ea55188c1a36fcf0335f2d5c4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling observable-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Observe`, `Set`
[INFO] [stdout]  --> src/observable.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Observe, Set};
[INFO] [stdout]   |             ^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "6b6d1dcd7534f760502dda5b354aa19e5f46b6ea55188c1a36fcf0335f2d5c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6d1dcd7534f760502dda5b354aa19e5f46b6ea55188c1a36fcf0335f2d5c4d", kill_on_drop: false }`
[INFO] [stdout] 6b6d1dcd7534f760502dda5b354aa19e5f46b6ea55188c1a36fcf0335f2d5c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29dffa5b8636ddbd47ac080de8869cfbeb1d6048db98e41f954f5a7288bc144a
[INFO] running `Command { std: "docker" "start" "-a" "29dffa5b8636ddbd47ac080de8869cfbeb1d6048db98e41f954f5a7288bc144a", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Observe`, `Set`
[INFO] [stdout]  --> src/observable.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Observe, Set};
[INFO] [stdout]   |             ^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling observable-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Observe`, `Set`
[INFO] [stdout]  --> src/observable.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Observe, Set};
[INFO] [stdout]   |             ^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "29dffa5b8636ddbd47ac080de8869cfbeb1d6048db98e41f954f5a7288bc144a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dffa5b8636ddbd47ac080de8869cfbeb1d6048db98e41f954f5a7288bc144a", kill_on_drop: false }`
[INFO] [stdout] 29dffa5b8636ddbd47ac080de8869cfbeb1d6048db98e41f954f5a7288bc144a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e14d0fa4f1ae406a222355dca3bba648a7d0f9459ca98a1229af7325bd7b230
[INFO] running `Command { std: "docker" "start" "-a" "7e14d0fa4f1ae406a222355dca3bba648a7d0f9459ca98a1229af7325bd7b230", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Observe`, `Set`
[INFO] [stderr]  --> src/observable.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{Observe, Set};
[INFO] [stderr]   |             ^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Observe`, `Set`
[INFO] [stderr]  --> src/observable.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{Observe, Set};
[INFO] [stderr]   |             ^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/observable_rs-80fc6279a1f4e449)
[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] [stderr]    Doc-tests observable-rs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e14d0fa4f1ae406a222355dca3bba648a7d0f9459ca98a1229af7325bd7b230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e14d0fa4f1ae406a222355dca3bba648a7d0f9459ca98a1229af7325bd7b230", kill_on_drop: false }`
[INFO] [stdout] 7e14d0fa4f1ae406a222355dca3bba648a7d0f9459ca98a1229af7325bd7b230
