[INFO] fetching crate theater 0.1.1...
[INFO] testing theater-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate theater 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate theater 0.1.1 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 theater 0.1.1
[INFO] finished tweaking crates.io crate theater 0.1.1
[INFO] tweaked toml for crates.io crate theater 0.1.1 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 786aea14e0dd390482b6528125007c53375de5f69447edbf1abcc010240a466c
[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" "786aea14e0dd390482b6528125007c53375de5f69447edbf1abcc010240a466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "786aea14e0dd390482b6528125007c53375de5f69447edbf1abcc010240a466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786aea14e0dd390482b6528125007c53375de5f69447edbf1abcc010240a466c", kill_on_drop: false }`
[INFO] [stdout] 786aea14e0dd390482b6528125007c53375de5f69447edbf1abcc010240a466c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c72b76c7414d1cc974380e66968fecf5f37cc14617f0091b6a9bede6d3397c81
[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" "c72b76c7414d1cc974380e66968fecf5f37cc14617f0091b6a9bede6d3397c81", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling theater v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/actor.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     thread: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ident`
[INFO] [stdout]   --> src/actor.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ident: u32,
[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 3.27s
[INFO] running `Command { std: "docker" "inspect" "c72b76c7414d1cc974380e66968fecf5f37cc14617f0091b6a9bede6d3397c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72b76c7414d1cc974380e66968fecf5f37cc14617f0091b6a9bede6d3397c81", kill_on_drop: false }`
[INFO] [stdout] c72b76c7414d1cc974380e66968fecf5f37cc14617f0091b6a9bede6d3397c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 433f8d40dc9577bbcc48b849a12bd25aa74092c01232722cd9ece924024f209a
[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" "433f8d40dc9577bbcc48b849a12bd25aa74092c01232722cd9ece924024f209a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling theater v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/actor.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     thread: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ident`
[INFO] [stdout]   --> src/actor.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ident: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/actor.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     thread: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ident`
[INFO] [stdout]   --> src/actor.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ident: u32,
[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 5.56s
[INFO] running `Command { std: "docker" "inspect" "433f8d40dc9577bbcc48b849a12bd25aa74092c01232722cd9ece924024f209a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433f8d40dc9577bbcc48b849a12bd25aa74092c01232722cd9ece924024f209a", kill_on_drop: false }`
[INFO] [stdout] 433f8d40dc9577bbcc48b849a12bd25aa74092c01232722cd9ece924024f209a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 87316bdc08cad96ce9ee6ffb845c0cdce61acdec8bf2fe251e32648faf303368
[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" "87316bdc08cad96ce9ee6ffb845c0cdce61acdec8bf2fe251e32648faf303368", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `thread`
[INFO] [stderr]   --> src/actor.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     thread: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ident`
[INFO] [stderr]   --> src/actor.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     ident: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `thread`
[INFO] [stderr]   --> src/actor.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     thread: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ident`
[INFO] [stderr]   --> src/actor.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     ident: u32,
[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/theater-6f0149109be7a345
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test actor::tests::test_encode_decode_deliver_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests theater
[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" "87316bdc08cad96ce9ee6ffb845c0cdce61acdec8bf2fe251e32648faf303368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87316bdc08cad96ce9ee6ffb845c0cdce61acdec8bf2fe251e32648faf303368", kill_on_drop: false }`
[INFO] [stdout] 87316bdc08cad96ce9ee6ffb845c0cdce61acdec8bf2fe251e32648faf303368