[INFO] crate tcb 0.1.202 is already in cache
[INFO] testing tcb-0.1.202 against 1.45.2 for beta-1.46-1
[INFO] extracting crate tcb 0.1.202 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tcb 0.1.202 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcb 0.1.202
[INFO] finished tweaking crates.io crate tcb 0.1.202
[INFO] tweaked toml for crates.io crate tcb 0.1.202 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate tcb 0.1.202 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 170df6530354a739b3c482f0d6fa80e53fdf1ce0006ded852735359ea4a6f855
[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" "170df6530354a739b3c482f0d6fa80e53fdf1ce0006ded852735359ea4a6f855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "170df6530354a739b3c482f0d6fa80e53fdf1ce0006ded852735359ea4a6f855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170df6530354a739b3c482f0d6fa80e53fdf1ce0006ded852735359ea4a6f855", kill_on_drop: false }`
[INFO] [stdout] 170df6530354a739b3c482f0d6fa80e53fdf1ce0006ded852735359ea4a6f855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] c46ee9b2ecb32f52269df88ad79acd1e32cbaed60096b7d4e1cd8f2b37f9b8dc
[INFO] running `Command { std: "docker" "start" "-a" "c46ee9b2ecb32f52269df88ad79acd1e32cbaed60096b7d4e1cd8f2b37f9b8dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling tcb v0.1.202 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.93s
[INFO] running `Command { std: "docker" "inspect" "c46ee9b2ecb32f52269df88ad79acd1e32cbaed60096b7d4e1cd8f2b37f9b8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46ee9b2ecb32f52269df88ad79acd1e32cbaed60096b7d4e1cd8f2b37f9b8dc", kill_on_drop: false }`
[INFO] [stdout] c46ee9b2ecb32f52269df88ad79acd1e32cbaed60096b7d4e1cd8f2b37f9b8dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2daed2fc2144902d31ea197e4d5dc7bd603d129bbf2ccab9279deb9cda899d6
[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" "e2daed2fc2144902d31ea197e4d5dc7bd603d129bbf2ccab9279deb9cda899d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcb v0.1.202 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `blocking_delivery`
[INFO] [stdout]   --> examples/vv_client.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let blocking_delivery = vv.recv()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocking_delivery`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `non_blocking_delivery`
[INFO] [stdout]   --> examples/vv_client.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let non_blocking_delivery = vv.try_recv()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_blocking_delivery`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout_delivery`
[INFO] [stdout]   --> examples/vv_client.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let timeout_delivery = vv.recv_timeout(Duration::from_secs(1))?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_delivery`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sent_message_context`
[INFO] [stdout]   --> examples/graph_client.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let sent_message_context = graph.send(serialized_message);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sent_message_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `non_blocking_delivery`
[INFO] [stdout]   --> examples/graph_client.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let non_blocking_delivery = graph.try_recv()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_blocking_delivery`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout_delivery`
[INFO] [stdout]   --> examples/graph_client.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let timeout_delivery = graph.recv_timeout(Duration::from_secs(1))?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_delivery`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "e2daed2fc2144902d31ea197e4d5dc7bd603d129bbf2ccab9279deb9cda899d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2daed2fc2144902d31ea197e4d5dc7bd603d129bbf2ccab9279deb9cda899d6", kill_on_drop: false }`
[INFO] [stdout] e2daed2fc2144902d31ea197e4d5dc7bd603d129bbf2ccab9279deb9cda899d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] f76b17537a929ab18583c1911a998ed8020eeefd0b1d23434dd048cf12ddf3ba
[INFO] running `Command { std: "docker" "start" "-a" "f76b17537a929ab18583c1911a998ed8020eeefd0b1d23434dd048cf12ddf3ba", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `sent_message_context`
[INFO] [stderr]   --> examples/graph_client.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let sent_message_context = graph.send(serialized_message);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sent_message_context`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `non_blocking_delivery`
[INFO] [stderr]   --> examples/graph_client.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let non_blocking_delivery = graph.try_recv()?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_blocking_delivery`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timeout_delivery`
[INFO] [stderr]   --> examples/graph_client.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let timeout_delivery = graph.recv_timeout(Duration::from_secs(1))?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_delivery`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `blocking_delivery`
[INFO] [stderr]   --> examples/vv_client.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let blocking_delivery = vv.recv()?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocking_delivery`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `non_blocking_delivery`
[INFO] [stderr]   --> examples/vv_client.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let non_blocking_delivery = vv.try_recv()?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_blocking_delivery`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timeout_delivery`
[INFO] [stderr]   --> examples/vv_client.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let timeout_delivery = vv.recv_timeout(Duration::from_secs(1))?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_delivery`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tcb-c9eec66f95c4de1d
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tcb
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f76b17537a929ab18583c1911a998ed8020eeefd0b1d23434dd048cf12ddf3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76b17537a929ab18583c1911a998ed8020eeefd0b1d23434dd048cf12ddf3ba", kill_on_drop: false }`
[INFO] [stdout] f76b17537a929ab18583c1911a998ed8020eeefd0b1d23434dd048cf12ddf3ba