[INFO] fetching crate index-pool 1.0.11...
[INFO] testing index-pool-1.0.11 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate index-pool 1.0.11 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate index-pool 1.0.11 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate index-pool 1.0.11
[INFO] finished tweaking crates.io crate index-pool 1.0.11
[INFO] tweaked toml for crates.io crate index-pool 1.0.11 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded free-ranges v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9fd87fd94289dae7a0042acbbab0df807de72cc819bda82d6ce0e3e541abf291
[INFO] running `Command { std: "docker" "start" "-a" "9fd87fd94289dae7a0042acbbab0df807de72cc819bda82d6ce0e3e541abf291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fd87fd94289dae7a0042acbbab0df807de72cc819bda82d6ce0e3e541abf291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd87fd94289dae7a0042acbbab0df807de72cc819bda82d6ce0e3e541abf291", kill_on_drop: false }`
[INFO] [stdout] 9fd87fd94289dae7a0042acbbab0df807de72cc819bda82d6ce0e3e541abf291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] adc8e55f8aa2da9585b7e81d5ddad94fb00c9ca4fb4d4f2d99e4b1c1c7ae3281
[INFO] running `Command { std: "docker" "start" "-a" "adc8e55f8aa2da9585b7e81d5ddad94fb00c9ca4fb4d4f2d99e4b1c1c7ae3281", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-ranges v1.0.7
[INFO] [stderr]    Compiling index-pool v1.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:204:28
[INFO] [stdout]     |
[INFO] [stdout] 204 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:219:28
[INFO] [stdout]     |
[INFO] [stdout] 219 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "adc8e55f8aa2da9585b7e81d5ddad94fb00c9ca4fb4d4f2d99e4b1c1c7ae3281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc8e55f8aa2da9585b7e81d5ddad94fb00c9ca4fb4d4f2d99e4b1c1c7ae3281", kill_on_drop: false }`
[INFO] [stdout] adc8e55f8aa2da9585b7e81d5ddad94fb00c9ca4fb4d4f2d99e4b1c1c7ae3281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66a688a0ea26127e7b31a5e0dead1606627616ae85c55875b9087d56230a0859
[INFO] running `Command { std: "docker" "start" "-a" "66a688a0ea26127e7b31a5e0dead1606627616ae85c55875b9087d56230a0859", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:204:28
[INFO] [stdout]     |
[INFO] [stdout] 204 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling index-pool v1.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:219:28
[INFO] [stdout]     |
[INFO] [stdout] 219 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:204:28
[INFO] [stdout]     |
[INFO] [stdout] 204 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:219:28
[INFO] [stdout]     |
[INFO] [stdout] 219 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "66a688a0ea26127e7b31a5e0dead1606627616ae85c55875b9087d56230a0859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a688a0ea26127e7b31a5e0dead1606627616ae85c55875b9087d56230a0859", kill_on_drop: false }`
[INFO] [stdout] 66a688a0ea26127e7b31a5e0dead1606627616ae85c55875b9087d56230a0859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd2bb5d66985bbaa140883644fbf94ea1342f9d7458994663ce2a12b1f03751f
[INFO] running `Command { std: "docker" "start" "-a" "dd2bb5d66985bbaa140883644fbf94ea1342f9d7458994663ce2a12b1f03751f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:204:28
[INFO] [stderr]     |
[INFO] [stderr] 204 |         fmt.write_str(self.description())
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:219:28
[INFO] [stderr]     |
[INFO] [stderr] 219 |         fmt.write_str(self.description())
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:204:28
[INFO] [stderr]     |
[INFO] [stderr] 204 |         fmt.write_str(self.description())
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:219:28
[INFO] [stderr]     |
[INFO] [stderr] 219 |         fmt.write_str(self.description())
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/index_pool-2d7851d62f4ee446
[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]      Running /opt/rustwide/target/debug/deps/basic_test-5fc18b0a5f6ef21d
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test allocate_specific_values ... ok
[INFO] [stderr]    Doc-tests index-pool
[INFO] [stdout] test iter_after ... ok
[INFO] [stdout] test request_sequential ... ok
[INFO] [stdout] test all_indices ... ok
[INFO] [stdout] test basic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd2bb5d66985bbaa140883644fbf94ea1342f9d7458994663ce2a12b1f03751f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2bb5d66985bbaa140883644fbf94ea1342f9d7458994663ce2a12b1f03751f", kill_on_drop: false }`
[INFO] [stdout] dd2bb5d66985bbaa140883644fbf94ea1342f9d7458994663ce2a12b1f03751f