[INFO] fetching crate java-locator 0.1.2...
[INFO] testing java-locator-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate java-locator 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate java-locator 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate java-locator 0.1.2
[INFO] finished tweaking crates.io crate java-locator 0.1.2
[INFO] tweaked toml for crates.io crate java-locator 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate java-locator 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4db093d072dc52ad2d60aa006238f6ba0ffa5be36b40f62fd8d9e9f1706ad2a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4db093d072dc52ad2d60aa006238f6ba0ffa5be36b40f62fd8d9e9f1706ad2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db093d072dc52ad2d60aa006238f6ba0ffa5be36b40f62fd8d9e9f1706ad2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db093d072dc52ad2d60aa006238f6ba0ffa5be36b40f62fd8d9e9f1706ad2a6", kill_on_drop: false }`
[INFO] [stdout] 4db093d072dc52ad2d60aa006238f6ba0ffa5be36b40f62fd8d9e9f1706ad2a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] c678bfaedd646222bb965a5d4f52624feb1fa5d21972a0554978ee6dd37604a5
[INFO] running `Command { std: "docker" "start" "-a" "c678bfaedd646222bb965a5d4f52624feb1fa5d21972a0554978ee6dd37604a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling java-locator v0.1.2 (/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:193:103
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let message = format!("Command '{}' is not found in the system PATH ({})", command_str, error.description());
[INFO] [stdout]     |                                                                                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "c678bfaedd646222bb965a5d4f52624feb1fa5d21972a0554978ee6dd37604a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c678bfaedd646222bb965a5d4f52624feb1fa5d21972a0554978ee6dd37604a5", kill_on_drop: false }`
[INFO] [stdout] c678bfaedd646222bb965a5d4f52624feb1fa5d21972a0554978ee6dd37604a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 66b458795456abed6ce25bab696e804635ee95950524d0dd7be98ca8304ca966
[INFO] running `Command { std: "docker" "start" "-a" "66b458795456abed6ce25bab696e804635ee95950524d0dd7be98ca8304ca966", kill_on_drop: false }`
[INFO] [stderr]    Compiling java-locator v0.1.2 (/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:193:103
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let message = format!("Command '{}' is not found in the system PATH ({})", command_str, error.description());
[INFO] [stdout]     |                                                                                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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:193:103
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let message = format!("Command '{}' is not found in the system PATH ({})", command_str, error.description());
[INFO] [stdout]     |                                                                                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 0.96s
[INFO] running `Command { std: "docker" "inspect" "66b458795456abed6ce25bab696e804635ee95950524d0dd7be98ca8304ca966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b458795456abed6ce25bab696e804635ee95950524d0dd7be98ca8304ca966", kill_on_drop: false }`
[INFO] [stdout] 66b458795456abed6ce25bab696e804635ee95950524d0dd7be98ca8304ca966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 947104b76038d0d12c692ba553440f9ebe83b19a41dba664c143ea7f235a6ec5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "947104b76038d0d12c692ba553440f9ebe83b19a41dba664c143ea7f235a6ec5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] running 1 test
[INFO] [stderr]    --> src/lib.rs:193:103
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let message = format!("Command '{}' is not found in the system PATH ({})", command_str, error.description());
[INFO] [stderr]     |                                                                                                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning 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:193:103
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let message = format!("Command '{}' is not found in the system PATH ({})", command_str, error.description());
[INFO] [stderr]     |                                                                                                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/java_locator-1832f31cde3e566f
[INFO] [stdout] test unit_tests::locate_java_home_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests java_locator
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "947104b76038d0d12c692ba553440f9ebe83b19a41dba664c143ea7f235a6ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947104b76038d0d12c692ba553440f9ebe83b19a41dba664c143ea7f235a6ec5", kill_on_drop: false }`
[INFO] [stdout] 947104b76038d0d12c692ba553440f9ebe83b19a41dba664c143ea7f235a6ec5