[INFO] fetching crate markov-chain 0.1.1...
[INFO] testing markov-chain-0.1.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate markov-chain 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate markov-chain 0.1.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate markov-chain 0.1.1
[INFO] finished tweaking crates.io crate markov-chain 0.1.1
[INFO] tweaked toml for crates.io crate markov-chain 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa584b417bccd45ea36cad9d39c283ad47f7cb7eb51b2fbf2f18c3e14f49fcd8
[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" "fa584b417bccd45ea36cad9d39c283ad47f7cb7eb51b2fbf2f18c3e14f49fcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa584b417bccd45ea36cad9d39c283ad47f7cb7eb51b2fbf2f18c3e14f49fcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa584b417bccd45ea36cad9d39c283ad47f7cb7eb51b2fbf2f18c3e14f49fcd8", kill_on_drop: false }`
[INFO] [stdout] fa584b417bccd45ea36cad9d39c283ad47f7cb7eb51b2fbf2f18c3e14f49fcd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] c28f5eb01face533666301e4a8b2d794c6b78a23ca645f73c23aa186cde95db9
[INFO] running `Command { std: "docker" "start" "-a" "c28f5eb01face533666301e4a8b2d794c6b78a23ca645f73c23aa186cde95db9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling markov-chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:286:1
[INFO] [stdout]     |
[INFO] [stdout] 286 | / lazy_static! { 
[INFO] [stdout] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stdout] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stdout] 289 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 | /         lazy_static! {
[INFO] [stdout] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stdout] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stdout] 299 | |                 ).unwrap();
[INFO] [stdout] 300 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.93s
[INFO] running `Command { std: "docker" "inspect" "c28f5eb01face533666301e4a8b2d794c6b78a23ca645f73c23aa186cde95db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28f5eb01face533666301e4a8b2d794c6b78a23ca645f73c23aa186cde95db9", kill_on_drop: false }`
[INFO] [stdout] c28f5eb01face533666301e4a8b2d794c6b78a23ca645f73c23aa186cde95db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 3181c0c42de34b4c0f54b41be2d9b055da9a58127326e4903898c319ec973ac9
[INFO] running `Command { std: "docker" "start" "-a" "3181c0c42de34b4c0f54b41be2d9b055da9a58127326e4903898c319ec973ac9", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:286:1
[INFO] [stdout]     |
[INFO] [stdout] 286 | / lazy_static! { 
[INFO] [stdout] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stdout] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stdout] 289 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 | /         lazy_static! {
[INFO] [stdout] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stdout] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stdout] 299 | |                 ).unwrap();
[INFO] [stdout] 300 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling markov-chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:286:1
[INFO] [stdout]     |
[INFO] [stdout] 286 | / lazy_static! { 
[INFO] [stdout] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stdout] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stdout] 289 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 | /         lazy_static! {
[INFO] [stdout] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stdout] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stdout] 299 | |                 ).unwrap();
[INFO] [stdout] 300 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "3181c0c42de34b4c0f54b41be2d9b055da9a58127326e4903898c319ec973ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3181c0c42de34b4c0f54b41be2d9b055da9a58127326e4903898c319ec973ac9", kill_on_drop: false }`
[INFO] [stdout] 3181c0c42de34b4c0f54b41be2d9b055da9a58127326e4903898c319ec973ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 1e271ab382750326f84bd973743adbbbad01afe3daa7ae5e731fc1aa7c5629be
[INFO] running `Command { std: "docker" "start" "-a" "1e271ab382750326f84bd973743adbbbad01afe3daa7ae5e731fc1aa7c5629be", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 | / lazy_static! { 
[INFO] [stderr] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stderr] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stderr] 289 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         lazy_static! {
[INFO] [stderr] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stderr] 299 | |                 ).unwrap();
[INFO] [stderr] 300 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 | / lazy_static! { 
[INFO] [stderr] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stderr] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stderr] 289 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         lazy_static! {
[INFO] [stderr] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stderr] 299 | |                 ).unwrap();
[INFO] [stderr] 300 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/markov_chain-87117374ae437b4a
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_order1_training ... ok
[INFO] [stdout] test tests::test_order2_training ... ok
[INFO] [stdout] test tests::test_order3_training ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/markov_util-f420acd0cbccd3b1
[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 markov-chain
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Chain<T>::new (line 90) ... ok
[INFO] [stdout] test src/lib.rs - Chain<T>::train (line 108) ... ok
[INFO] [stdout] test src/lib.rs - Chain<T>::merge (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Chain (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e271ab382750326f84bd973743adbbbad01afe3daa7ae5e731fc1aa7c5629be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e271ab382750326f84bd973743adbbbad01afe3daa7ae5e731fc1aa7c5629be", kill_on_drop: false }`
[INFO] [stdout] 1e271ab382750326f84bd973743adbbbad01afe3daa7ae5e731fc1aa7c5629be