[INFO] fetching crate cshannon 0.1.1...
[INFO] testing cshannon-0.1.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate cshannon 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cshannon 0.1.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cshannon 0.1.1
[INFO] finished tweaking crates.io crate cshannon 0.1.1
[INFO] tweaked toml for crates.io crate cshannon 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cshannon 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 784f6cd8db175231cd93ebad1e0832e83503a7af9ad0d0f8320503b7633ee2b1
[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" "784f6cd8db175231cd93ebad1e0832e83503a7af9ad0d0f8320503b7633ee2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "784f6cd8db175231cd93ebad1e0832e83503a7af9ad0d0f8320503b7633ee2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784f6cd8db175231cd93ebad1e0832e83503a7af9ad0d0f8320503b7633ee2b1", kill_on_drop: false }`
[INFO] [stdout] 784f6cd8db175231cd93ebad1e0832e83503a7af9ad0d0f8320503b7633ee2b1
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fa6a4ad50276998a68093c3c4f6ca89511540181d40e3347a1f65392b1af7d7
[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" "7fa6a4ad50276998a68093c3c4f6ca89511540181d40e3347a1f65392b1af7d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling test_bin v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cshannon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(seek_convenience)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/encoding/balanced_tree.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => panic!("Ran out of letters".to_owned()),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => panic!("{}", "Ran out of letters".to_owned()),
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => std::panic::panic_any("Ran out of letters".to_owned()),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(seek_convenience)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "7fa6a4ad50276998a68093c3c4f6ca89511540181d40e3347a1f65392b1af7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa6a4ad50276998a68093c3c4f6ca89511540181d40e3347a1f65392b1af7d7", kill_on_drop: false }`
[INFO] [stdout] 7fa6a4ad50276998a68093c3c4f6ca89511540181d40e3347a1f65392b1af7d7
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] bbe7c2122fb606c70409e4461823174e4c138f8cedbb23e52a123d324075f298
[INFO] running `Command { std: "docker" "start" "-a" "bbe7c2122fb606c70409e4461823174e4c138f8cedbb23e52a123d324075f298", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(seek_convenience)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/encoding/balanced_tree.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => panic!("Ran out of letters".to_owned()),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => panic!("{}", "Ran out of letters".to_owned()),
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => std::panic::panic_any("Ran out of letters".to_owned()),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cshannon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(seek_convenience)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(seek_convenience)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(seek_convenience)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/encoding/balanced_tree.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => panic!("Ran out of letters".to_owned()),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => panic!("{}", "Ran out of letters".to_owned()),
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |             None => std::panic::panic_any("Ran out of letters".to_owned()),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/tokens/words.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "bbe7c2122fb606c70409e4461823174e4c138f8cedbb23e52a123d324075f298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe7c2122fb606c70409e4461823174e4c138f8cedbb23e52a123d324075f298", kill_on_drop: false }`
[INFO] [stdout] bbe7c2122fb606c70409e4461823174e4c138f8cedbb23e52a123d324075f298
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7155dc6061baf260758a3a690a63ff932b465c3b862c020728d9d0dab6e3526b
[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" "7155dc6061baf260758a3a690a63ff932b465c3b862c020728d9d0dab6e3526b", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(seek_convenience)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/encoding/balanced_tree.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |             None => panic!("Ran out of letters".to_owned()),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 45 |             None => panic!("{}", "Ran out of letters".to_owned()),
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 45 |             None => std::panic::panic_any("Ran out of letters".to_owned()),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(seek_convenience)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/encoding/balanced_tree.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |             None => panic!("Ran out of letters".to_owned()),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 45 |             None => panic!("{}", "Ran out of letters".to_owned()),
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 45 |             None => std::panic::panic_any("Ran out of letters".to_owned()),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/tokens/words.rs:85:30
[INFO] [stderr]    |
[INFO] [stderr] 85 |             Err(e) => panic!(e),
[INFO] [stderr]    |                              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 85 |             Err(e) => panic!("{}", e),
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 85 |             Err(e) => std::panic::panic_any(e),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/main.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(seek_convenience)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/main.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(seek_convenience)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cshannon-f9e726d8efd99916)
[INFO] [stdout] 
[INFO] [stdout] running 77 tests
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_trivial ... ok
[INFO] [stdout] test code::alphabet::tree_tests::empty ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_byte_letters ... ok
[INFO] [stdout] test benchmarks::bytes_fano ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_unaligned_lengths ... ok
[INFO] [stdout] test code::letter::tests::at ... ok
[INFO] [stdout] test code::letter::tests::incremental_build_extends_data ... ok
[INFO] [stdout] test code::alphabet::tree_tests::shared_letters ... ok
[INFO] [stdout] test code::letter::tests::with_capacity ... ok
[INFO] [stdout] test code::letter::tests::new_data_truncation ... ok
[INFO] [stdout] test code::text::pack_tests::multiple_aligned_letters ... ok
[INFO] [stdout] test code::text::pack_tests::multiple_unaligned_letters ... ok
[INFO] [stdout] test code::text::pack_tests::multiple_unaligned_short_letters ... ok
[INFO] [stdout] test code::text::pack_tests::single_aligned_letter ... ok
[INFO] [stdout] test code::text::pack_tests::single_byte ... ok
[INFO] [stdout] test benchmarks::bytes_balanced_tree ... ok
[INFO] [stdout] test code::text::pack_tests::single_unaligned_long_letter ... ok
[INFO] [stdout] test code::text::pack_tests::zero_letter ... ok
[INFO] [stdout] test code::alphabet::tree_tests::multi_byte_shared ... ok
[INFO] [stdout] test code::letter::tests::empty ... ok
[INFO] [stdout] test code::text::pack_tests::single_unaligned_short_letter ... ok
[INFO] [stdout] test code::letter::tests::incremental_build ... ok
[INFO] [stdout] test benchmarks::bytes_shannon ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_single_letter ... ok
[INFO] [stdout] test code::text::pack_tests::empty ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_many_letters ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_different_lengths ... ok
[INFO] [stdout] test code::text::parse_tests::complex_long_unaligned_shared_trailing_zeros ... ok
[INFO] [stdout] test code::alphabet::tree_tests::multi_byte_letter ... ok
[INFO] [stdout] test code::alphabet::tree_tests::leaf1 ... ok
[INFO] [stdout] test benchmarks::bytes_huffman ... ok
[INFO] [stdout] test code::alphabet::tree_tests::leaf0 ... ok
[INFO] [stdout] test encoding::balanced_tree::tests::empty ... ok
[INFO] [stdout] test encoding::balanced_tree::tests::one_token ... ok
[INFO] [stdout] test code::text::parse_tests::empty ... ok
[INFO] [stdout] test code::text::parse_tests::short_unaligned_fit ... ok
[INFO] [stdout] test encoding::balanced_tree::tests::max_tokens_for_some_tree_height ... ok
[INFO] [stdout] test code::text::parse_tests::short_unaligned_trailing_zeros ... ok
[INFO] [stdout] test code::text::parse_tests::single_byte_common_prefix ... ok
[INFO] [stdout] test code::text::parse_tests::single_byte_disjoint ... ok
[INFO] [stdout] test code::alphabet::tree_tests::unshared_letters ... ok
[INFO] [stdout] test code::alphabet::pack_tests::roundtrip_large_letters ... ok
[INFO] [stdout] test encoding::balanced_tree::tests::max_tokens_for_some_tree_height_then_one ... ok
[INFO] [stdout] test code::text::parse_tests::incomplete ... ok
[INFO] [stdout] test code::text::parse_tests::trailing_data ... ok
[INFO] [stdout] test code::text::parse_tests::multi_byte_common_prefix ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::single_elem ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::three_elems_split_at_value ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::two_elems_right_heavy ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::four_elems_closer_right ... ok
[INFO] [stdout] test encoding::fano::tests::two_level_balanced ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::two_elems_to_terminals ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::three_elems_larger_right ... ok
[INFO] [stdout] test encoding::huffman::tests::four_tokens_balanced_tree ... ok
[INFO] [stdout] test encoding::huffman::tests::three_tokens_similar ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::three_elems_larger_left ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::large_right_heavy_input ... ok
[INFO] [stdout] test code::text::parse_tests::nonexistent_letter ... ok
[INFO] [stdout] test encoding::shannon::tests::short_diadic_fraction ... ok
[INFO] [stdout] test tokens::graphemes::tests::roundtrip ... ok
[INFO] [stdout] test tokens::roundtrip_with_len_tests::non_empty ... ok
[INFO] [stdout] test tokens::roundtrip_with_len_tests::trailing_byte_data ... ok
[INFO] [stdout] test tokens::roundtrip_with_len_tests::trailing_grapheme_data ... ok
[INFO] [stdout] test tokens::words::tests::roundtrip ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::huge_left_heavy_input ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::large_balanced_input ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::large_left_heavy_input ... ok
[INFO] [stdout] test encoding::huffman::tests::two_tokens ... ok
[INFO] [stdout] test encoding::huffman::tests::empty ... ok
[INFO] [stdout] test tokens::bytes::tests::roundtrip ... ok
[INFO] [stdout] test model::tests::basic ... ok
[INFO] [stdout] test tokens::roundtrip_with_len_tests::empty ... ok
[INFO] [stdout] test encoding::fano::refinement_tests::huge_right_heavy_input ... ok
[INFO] [stdout] test model::tests::with_frequencies ... ok
[INFO] [stdout] test encoding::fano::tests::single_level ... ok
[INFO] [stdout] test encoding::huffman::tests::three_tokens_huge_first ... ok
[INFO] [stdout] test encoding::shannon::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 77 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cshannon-ffaaf4c1d016b81f)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/roundtrip.rs (/opt/rustwide/target/debug/deps/roundtrip-4e62a7376be9d8b8)
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test graphemes_balanced_tree ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test graphemes_fano ... ok
[INFO] [stdout] Success
[INFO] [stdout] test bytes_fano ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test bytes_balanced_tree ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test graphemes_shannon ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test graphemes_huffman ... ok
[INFO] [stdout] Success
[INFO] [stdout] Success
[INFO] [stdout] test words_huffman ... ok
[INFO] [stdout] test words_balanced_tree ... ok
[INFO] [stdout] test bytes_huffman ... ok
[INFO] [stdout] Success
[INFO] [stderr]      Running tests/text_test.rs (/opt/rustwide/target/debug/deps/text_test-7324b72d0e6ea4f0)
[INFO] [stdout] test bytes_shannon ... ok
[INFO] [stdout] test words_fano ... ok
[INFO] [stdout] test words_shannon ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests cshannon
[INFO] [stdout] test roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7155dc6061baf260758a3a690a63ff932b465c3b862c020728d9d0dab6e3526b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7155dc6061baf260758a3a690a63ff932b465c3b862c020728d9d0dab6e3526b", kill_on_drop: false }`
[INFO] [stdout] 7155dc6061baf260758a3a690a63ff932b465c3b862c020728d9d0dab6e3526b