[INFO] crate polka 0.1.2 is already in cache
[INFO] testing polka-0.1.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate polka 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate polka 0.1.2 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 polka 0.1.2
[INFO] finished tweaking crates.io crate polka 0.1.2
[INFO] tweaked toml for crates.io crate polka 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d2e6ed888c7eb3eba2341babf2cc509abdc18045068e7353a729287ea5111f11
[INFO] running `Command { std: "docker" "start" "-a" "d2e6ed888c7eb3eba2341babf2cc509abdc18045068e7353a729287ea5111f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e6ed888c7eb3eba2341babf2cc509abdc18045068e7353a729287ea5111f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e6ed888c7eb3eba2341babf2cc509abdc18045068e7353a729287ea5111f11", kill_on_drop: false }`
[INFO] [stdout] d2e6ed888c7eb3eba2341babf2cc509abdc18045068e7353a729287ea5111f11
[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" "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] [stdout] ffadaaa821812931c435d81c2e1e9cddafac670b7810506453e7c6cdd5ee0eae
[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" "ffadaaa821812931c435d81c2e1e9cddafac670b7810506453e7c6cdd5ee0eae", kill_on_drop: false }`
[INFO] [stderr]    Compiling pom v3.1.0
[INFO] [stderr]    Compiling polka v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `list`
[INFO] [stdout]  --> src/parser/statement.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pom::parser::{list, sym, Parser};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `basic_1`
[INFO] [stdout]  --> src/test_fixtures.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn basic_1() -> Graph {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digraph`
[INFO] [stdout]   --> src/test_fixtures.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn digraph() -> Graph {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/parser/ident.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |   alphanum(term) || (term >= 0x80 && term <= 0xFF) || term == 0x5F
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "ffadaaa821812931c435d81c2e1e9cddafac670b7810506453e7c6cdd5ee0eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffadaaa821812931c435d81c2e1e9cddafac670b7810506453e7c6cdd5ee0eae", kill_on_drop: false }`
[INFO] [stdout] ffadaaa821812931c435d81c2e1e9cddafac670b7810506453e7c6cdd5ee0eae
[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" "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] 76b3ce2b5829271e78a8c59bec094fbce56f138a57b83edd7634602f4e6ceb9c
[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" "76b3ce2b5829271e78a8c59bec094fbce56f138a57b83edd7634602f4e6ceb9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stdout] warning: unused import: `list`
[INFO] [stdout]  --> src/parser/statement.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pom::parser::{list, sym, Parser};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `basic_1`
[INFO] [stdout]  --> src/test_fixtures.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn basic_1() -> Graph {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digraph`
[INFO] [stdout]   --> src/test_fixtures.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn digraph() -> Graph {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/parser/ident.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |   alphanum(term) || (term >= 0x80 && term <= 0xFF) || term == 0x5F
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling polka v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `list`
[INFO] [stdout]  --> src/parser/statement.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pom::parser::{list, sym, Parser};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/lib.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |           Ok(r) => (),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/parser/ident.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |   alphanum(term) || (term >= 0x80 && term <= 0xFF) || term == 0x5F
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "76b3ce2b5829271e78a8c59bec094fbce56f138a57b83edd7634602f4e6ceb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b3ce2b5829271e78a8c59bec094fbce56f138a57b83edd7634602f4e6ceb9c", kill_on_drop: false }`
[INFO] [stdout] 76b3ce2b5829271e78a8c59bec094fbce56f138a57b83edd7634602f4e6ceb9c
[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" "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] [stdout] 64ebe926a243347c82e5748054731a4c36f681f6169f973c2b67c4d5835e3114
[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" "64ebe926a243347c82e5748054731a4c36f681f6169f973c2b67c4d5835e3114", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `list`
[INFO] [stderr]  --> src/parser/statement.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pom::parser::{list, sym, Parser};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/lib.rs:75:14
[INFO] [stderr]    |
[INFO] [stderr] 75 |           Ok(r) => (),
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/parser/ident.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 |   alphanum(term) || (term >= 0x80 && term <= 0xFF) || term == 0x5F
[INFO] [stderr]    |                                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `list`
[INFO] [stderr]  --> src/parser/statement.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pom::parser::{list, sym, Parser};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `basic_1`
[INFO] [stderr]  --> src/test_fixtures.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn basic_1() -> Graph {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `digraph`
[INFO] [stderr]   --> src/test_fixtures.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn digraph() -> Graph {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/parser/ident.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 |   alphanum(term) || (term >= 0x80 && term <= 0xFF) || term == 0x5F
[INFO] [stderr]    |                                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polka-c05ac7e073fcdc08
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test parser::edge::test::edge_rhs_list::mixed_tokens ... ok
[INFO] [stdout] test parser::ident::test::ident_with_correct_input ... ok
[INFO] [stdout] test parser::ident::test::ident_with_incorrect_input ... ok
[INFO] [stdout] test parser::ident::test::number_with_correct_input ... ok
[INFO] [stdout] test parser::ident::test::number_with_incorrect_input ... ok
[INFO] [stdout] test parser::node::test::node_id::mixed_tokens ... ok
[INFO] [stdout] test parser::node::test::node_statement::mixed_tokens ... ok
[INFO] [stdout] test parser::ident::test::id_pair_with_incorrect_input ... ok
[INFO] [stdout] test parser::node::test::port::mixed_tokens ... ok
[INFO] [stdout] test parser::node::test::compass::mixed_tokens ... ok
[INFO] [stdout] test parser::statement::test::attrbute_list::mixed_tokens ... ok
[INFO] [stdout] test parser::statement::test::statements::node_statement ... ok
[INFO] [stdout] test parser::ident::test::id_pair_with_correct_input ... ok
[INFO] [stdout] test parser::statement::test::statements::edge_statement ... ok
[INFO] [stdout] test parser::edge::test::edge_statement::mixed_tokens ... ok
[INFO] [stdout] test parser::statement::test::statements::sub_graph ... ok
[INFO] [stdout] test parser::symbols::test::node::mixed_tokens ... ok
[INFO] [stdout] test parser::symbols::test::strict::mixed_tokens ... ok
[INFO] [stdout] test parser::symbols::test::edge::mixed_tokens ... ok
[INFO] [stdout] test parser::symbols::test::graph::mixed_tokens ... ok
[INFO] [stdout] test parser::graph::test::graph::test ... ok
[INFO] [stdout] test parser::symbols::test::subgraph::mixed_tokens ... ok
[INFO] [stdout] test parser::symbols::test::digraph::mixed_tokens ... ok
[INFO] [stdout] test parser::statement::test::attribute_statement::mixed_tokens ... ok
[INFO] [stdout] test parser::graph::test::sub_graph::mixed_tokens ... ok
[INFO] [stdout] test parser::edge::test::edge_op::mixed_tokens ... ok
[INFO] [stdout] test parser::statement::test::statements::id_pair ... ok
[INFO] [stdout] test parser::statement::test::statements::attribute_statement ... ok
[INFO] [stdout] test tests::parse::known_examples_verify ... ok
[INFO] [stdout] test tests::parse::known_examples_parse ... FAILED
[INFO] [stdout] test parser::symbols::test::comment::mixed_tokens ... test parser::symbols::test::comment::mixed_tokens has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "64ebe926a243347c82e5748054731a4c36f681f6169f973c2b67c4d5835e3114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ebe926a243347c82e5748054731a4c36f681f6169f973c2b67c4d5835e3114", kill_on_drop: false }`
[INFO] [stdout] 64ebe926a243347c82e5748054731a4c36f681f6169f973c2b67c4d5835e3114