[INFO] fetching crate javadec-rs 0.1.0...
[INFO] testing javadec-rs-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate javadec-rs 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate javadec-rs 0.1.0 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 javadec-rs 0.1.0
[INFO] finished tweaking crates.io crate javadec-rs 0.1.0
[INFO] tweaked toml for crates.io crate javadec-rs 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate javadec-rs 0.1.0 already has a lockfile, it will not be regenerated
[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 javaclass-rs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+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] fdaf334881ce4199cc012bd87e9bedd0c57276518fb9b3c4b7984d9e15134d92
[INFO] running `Command { std: "docker" "start" "-a" "fdaf334881ce4199cc012bd87e9bedd0c57276518fb9b3c4b7984d9e15134d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdaf334881ce4199cc012bd87e9bedd0c57276518fb9b3c4b7984d9e15134d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdaf334881ce4199cc012bd87e9bedd0c57276518fb9b3c4b7984d9e15134d92", kill_on_drop: false }`
[INFO] [stdout] fdaf334881ce4199cc012bd87e9bedd0c57276518fb9b3c4b7984d9e15134d92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe35a8ab0d59dc4eda4d0db735865d7cc1150dec3b649553f40d7887b2072df
[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" "cfe35a8ab0d59dc4eda4d0db735865d7cc1150dec3b649553f40d7887b2072df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling javaclass-rs v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling javadec-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `field_flags_as_modifiers`
[INFO] [stdout]  --> src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn field_flags_as_modifiers(flags: &FieldAccessFlags) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `method_flags_as_modifiers`
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn method_flags_as_modifiers(flags: &MethodAccessFlags) -> String {
[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 31.64s
[INFO] running `Command { std: "docker" "inspect" "cfe35a8ab0d59dc4eda4d0db735865d7cc1150dec3b649553f40d7887b2072df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe35a8ab0d59dc4eda4d0db735865d7cc1150dec3b649553f40d7887b2072df", kill_on_drop: false }`
[INFO] [stdout] cfe35a8ab0d59dc4eda4d0db735865d7cc1150dec3b649553f40d7887b2072df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9403915ef9082ab0da5c5434e8ef59fb09bb8025fe4b02be35e3df359339234
[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" "a9403915ef9082ab0da5c5434e8ef59fb09bb8025fe4b02be35e3df359339234", kill_on_drop: false }`
[INFO] [stderr]    Compiling javadec-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `field_flags_as_modifiers`
[INFO] [stdout]  --> src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn field_flags_as_modifiers(flags: &FieldAccessFlags) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `method_flags_as_modifiers`
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn method_flags_as_modifiers(flags: &MethodAccessFlags) -> String {
[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 0.72s
[INFO] running `Command { std: "docker" "inspect" "a9403915ef9082ab0da5c5434e8ef59fb09bb8025fe4b02be35e3df359339234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9403915ef9082ab0da5c5434e8ef59fb09bb8025fe4b02be35e3df359339234", kill_on_drop: false }`
[INFO] [stdout] a9403915ef9082ab0da5c5434e8ef59fb09bb8025fe4b02be35e3df359339234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b8bc9f7cae37af3731f03f2279394afd87d85916bd84d6a4dcdeade51428c12
[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" "1b8bc9f7cae37af3731f03f2279394afd87d85916bd84d6a4dcdeade51428c12", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `field_flags_as_modifiers`
[INFO] [stderr]  --> src/main.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn field_flags_as_modifiers(flags: &FieldAccessFlags) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `method_flags_as_modifiers`
[INFO] [stderr]   --> src/main.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn method_flags_as_modifiers(flags: &MethodAccessFlags) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/javadec-2d76e6b01ded588b
[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" "1b8bc9f7cae37af3731f03f2279394afd87d85916bd84d6a4dcdeade51428c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8bc9f7cae37af3731f03f2279394afd87d85916bd84d6a4dcdeade51428c12", kill_on_drop: false }`
[INFO] [stdout] 1b8bc9f7cae37af3731f03f2279394afd87d85916bd84d6a4dcdeade51428c12