[INFO] fetching crate twistrs 0.3.1-beta...
[INFO] checking twistrs-0.3.1-beta against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate twistrs 0.3.1-beta into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate twistrs 0.3.1-beta on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twistrs 0.3.1-beta
[INFO] finished tweaking crates.io crate twistrs 0.3.1-beta
[INFO] tweaked toml for crates.io crate twistrs 0.3.1-beta written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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] 94a4b78d171f516b570788316cf249d4af8a2558cba7b13d1dcd80d5af3ce2ea
[INFO] running `Command { std: "docker" "start" "-a" "94a4b78d171f516b570788316cf249d4af8a2558cba7b13d1dcd80d5af3ce2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94a4b78d171f516b570788316cf249d4af8a2558cba7b13d1dcd80d5af3ce2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a4b78d171f516b570788316cf249d4af8a2558cba7b13d1dcd80d5af3ce2ea", kill_on_drop: false }`
[INFO] [stdout] 94a4b78d171f516b570788316cf249d4af8a2558cba7b13d1dcd80d5af3ce2ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfe43f15b9331bb7159ebf0ea56d2faa1455da72fe14dcf1d935c9cd473de587
[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" "dfe43f15b9331bb7159ebf0ea56d2faa1455da72fe14dcf1d935c9cd473de587", kill_on_drop: false }`
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[INFO] [stderr]    Compiling twistrs v0.3.1-beta (/opt/rustwide/workdir)
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[INFO] [stdout] warning: use of deprecated struct `enrich::EnrichmentError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/enrich.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub type Result<T> = std::result::Result<T, EnrichmentError>;
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `enrich::EnrichmentError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/enrich.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl fmt::Display for EnrichmentError {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit struct `enrich::EnrichmentError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]    --> src/enrich.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Err(_) => Err(EnrichmentError),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `permutate::PermutationError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/permutate.rs:35:41
[INFO] [stdout]    |
[INFO] [stdout] 35 | type Result<T> = std::result::Result<T, PermutationError>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `permutate::PermutationError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/permutate.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl fmt::Display for PermutationError {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit struct `permutate::PermutationError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/permutate.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     return Err(PermutationError);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit struct `permutate::PermutationError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/permutate.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Err(_) => Err(PermutationError),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `enrich::EnrichmentError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/enrich.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub type Result<T> = std::result::Result<T, EnrichmentError>;
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `enrich::EnrichmentError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/enrich.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl fmt::Display for EnrichmentError {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit struct `enrich::EnrichmentError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]    --> src/enrich.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Err(_) => Err(EnrichmentError),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `permutate::PermutationError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/permutate.rs:35:41
[INFO] [stdout]    |
[INFO] [stdout] 35 | type Result<T> = std::result::Result<T, PermutationError>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `permutate::PermutationError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/permutate.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl fmt::Display for PermutationError {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit struct `permutate::PermutationError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/permutate.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     return Err(PermutationError);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit struct `permutate::PermutationError`: Prone to be removed in the future, does not currently provide any context.
[INFO] [stdout]   --> src/permutate.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Err(_) => Err(PermutationError),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "dfe43f15b9331bb7159ebf0ea56d2faa1455da72fe14dcf1d935c9cd473de587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe43f15b9331bb7159ebf0ea56d2faa1455da72fe14dcf1d935c9cd473de587", kill_on_drop: false }`
[INFO] [stdout] dfe43f15b9331bb7159ebf0ea56d2faa1455da72fe14dcf1d935c9cd473de587