[INFO] cloning repository https://github.com/jakewitcher/rusty_parsec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakewitcher/rusty_parsec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c52478dfa478d68cd217fed1ac0d4a2d5cad7b4
[INFO] testing jakewitcher/rusty_parsec against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakewitcher/rusty_parsec on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakewitcher/rusty_parsec
[INFO] finished tweaking git repo https://github.com/jakewitcher/rusty_parsec
[INFO] tweaked toml for git repo https://github.com/jakewitcher/rusty_parsec written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jakewitcher/rusty_parsec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09fc2ae5176befbb1e0f0293f726f0b3a2b3753601550db2b7e89d1bade8d697
[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" "09fc2ae5176befbb1e0f0293f726f0b3a2b3753601550db2b7e89d1bade8d697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09fc2ae5176befbb1e0f0293f726f0b3a2b3753601550db2b7e89d1bade8d697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fc2ae5176befbb1e0f0293f726f0b3a2b3753601550db2b7e89d1bade8d697", kill_on_drop: false }`
[INFO] [stdout] 09fc2ae5176befbb1e0f0293f726f0b3a2b3753601550db2b7e89d1bade8d697
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70215d6b8e4d11efd6fdde079f19b82bb5f6f8359590947051b07b25de773b1d
[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" "70215d6b8e4d11efd6fdde079f19b82bb5f6f8359590947051b07b25de773b1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty_parsec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `with_result`
[INFO] [stdout]   --> src/parser/result.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub(in crate::parser) fn with_result<U>(self, new_result: U) -> ParserSuccess<U> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_err_msg`
[INFO] [stdout]    --> src/parser/result.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |         pub(in crate::parser) fn to_err_msg(&self) -> String {
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 format!("starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 | |                 self.current_slice_start,
[INFO] [stdout] 46 | |                 self.len())
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 "starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 |                 self.current_slice_start,
[INFO] [stdout] 46 |                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                 format!("incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 | |                 self.current_slice_start, 
[INFO] [stdout] 61 | |                 increment, 
[INFO] [stdout] 62 | |                 self.len())
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 "incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 |                 self.current_slice_start, 
[INFO] [stdout] 61 |                 increment, 
[INFO] [stdout] 62 |                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "70215d6b8e4d11efd6fdde079f19b82bb5f6f8359590947051b07b25de773b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70215d6b8e4d11efd6fdde079f19b82bb5f6f8359590947051b07b25de773b1d", kill_on_drop: false }`
[INFO] [stdout] 70215d6b8e4d11efd6fdde079f19b82bb5f6f8359590947051b07b25de773b1d
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 30d9cb46a83e16d9f67fba75e92e0f323d9e5cd63c0ee1a598eea9247f97b40b
[INFO] running `Command { std: "docker" "start" "-a" "30d9cb46a83e16d9f67fba75e92e0f323d9e5cd63c0ee1a598eea9247f97b40b", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `with_result`
[INFO] [stdout]   --> src/parser/result.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub(in crate::parser) fn with_result<U>(self, new_result: U) -> ParserSuccess<U> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_err_msg`
[INFO] [stdout]    --> src/parser/result.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |         pub(in crate::parser) fn to_err_msg(&self) -> String {
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 format!("starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 | |                 self.current_slice_start,
[INFO] [stdout] 46 | |                 self.len())
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 "starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 |                 self.current_slice_start,
[INFO] [stdout] 46 |                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                 format!("incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 | |                 self.current_slice_start, 
[INFO] [stdout] 61 | |                 increment, 
[INFO] [stdout] 62 | |                 self.len())
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 "incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 |                 self.current_slice_start, 
[INFO] [stdout] 61 |                 increment, 
[INFO] [stdout] 62 |                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty_parsec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `p_hello`
[INFO] [stdout]  --> tests/common/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn p_hello() -> Parser<String> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `p_true`
[INFO] [stdout]  --> tests/common/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn p_true() -> Parser<bool> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_result`
[INFO] [stdout]   --> src/parser/result.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub(in crate::parser) fn with_result<U>(self, new_result: U) -> ParserSuccess<U> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 format!("starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 | |                 self.current_slice_start,
[INFO] [stdout] 46 | |                 self.len())
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 "starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 |                 self.current_slice_start,
[INFO] [stdout] 46 |                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                 format!("incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 | |                 self.current_slice_start, 
[INFO] [stdout] 61 | |                 increment, 
[INFO] [stdout] 62 | |                 self.len())
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 "incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 |                 self.current_slice_start, 
[INFO] [stdout] 61 |                 increment, 
[INFO] [stdout] 62 |                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "30d9cb46a83e16d9f67fba75e92e0f323d9e5cd63c0ee1a598eea9247f97b40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d9cb46a83e16d9f67fba75e92e0f323d9e5cd63c0ee1a598eea9247f97b40b", kill_on_drop: false }`
[INFO] [stdout] 30d9cb46a83e16d9f67fba75e92e0f323d9e5cd63c0ee1a598eea9247f97b40b
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 236b84f8434e599ee1954bf29ec4ae5bbcd19c288289c0319f07f711a9fceb18
[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" "236b84f8434e599ee1954bf29ec4ae5bbcd19c288289c0319f07f711a9fceb18", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `with_result`
[INFO] [stderr]   --> src/parser/result.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 |         pub(in crate::parser) fn with_result<U>(self, new_result: U) -> ParserSuccess<U> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_err_msg`
[INFO] [stderr]    --> src/parser/result.rs:169:34
[INFO] [stderr]     |
[INFO] [stderr] 169 |         pub(in crate::parser) fn to_err_msg(&self) -> String {
[INFO] [stderr]     |                                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/parser/state.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 | /                 format!("starting slice at {} will exceed the input length of {}",
[INFO] [stderr] 45 | |                 self.current_slice_start,
[INFO] [stderr] 46 | |                 self.len())
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 "starting slice at {} will exceed the input length of {}",
[INFO] [stderr] 45 |                 self.current_slice_start,
[INFO] [stderr] 46 |                 self.len()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/parser/state.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 | /                 format!("incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stderr] 60 | |                 self.current_slice_start, 
[INFO] [stderr] 61 | |                 increment, 
[INFO] [stderr] 62 | |                 self.len())
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 "incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stderr] 60 |                 self.current_slice_start, 
[INFO] [stderr] 61 |                 increment, 
[INFO] [stderr] 62 |                 self.len()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_parsec` (lib) generated 4 warnings
[INFO] [stderr] warning: `rusty_parsec` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stderr] warning: function is never used: `p_true`
[INFO] [stderr]  --> tests/common/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn p_true() -> Parser<bool> {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p_hello`
[INFO] [stderr]  --> tests/common/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn p_hello() -> Parser<String> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_parsec` (test "combinators_many_tests") generated 1 warning
[INFO] [stderr] warning: `rusty_parsec` (test "combinators_many_till_tests") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_parsec-890dd8a905f04aa3)
[INFO] [stdout] test parser::result::tests::writes_err_data_as_string_msg_with_none_expected ... ok
[INFO] [stdout] test parser::state::tests::calling_revert_with_no_marker_does_not_affect_parser_state ... ok
[INFO] [stdout] test parser::result::tests::writes_err_data_as_string_msg_with_some_expected ... ok
[INFO] [stdout] test parser::state::tests::calling_revert_with_no_change_in_state_does_not_affect_parser_state ... ok
[INFO] [stdout] test parser::state::tests::move_state_back_sets_current_line_start_back_one ... ok
[INFO] [stdout] test parser::state::tests::move_state_back_sets_current_slice_start_back_one ... ok
[INFO] [stdout] test parser::state::tests::move_state_forward_increments_current_slice_start_by_many ... ok
[INFO] [stdout] test parser::state::tests::move_state_forward_increments_current_line_start ... ok
[INFO] [stdout] test parser::state::tests::gets_remaining_slice_of_input_to_be_parsed ... ok
[INFO] [stdout] test parser::state::tests::marks_current_slice_start_and_reverts_state_back_to_marker ... ok
[INFO] [stdout] test parser::state::tests::move_state_forward_does_not_increment_current_line_start ... ok
[INFO] [stdout] test parser::state::tests::move_state_forward_increments_current_slice_start_by_one ... ok
[INFO] [stdout] test parser::state::tests::move_state_forward_panics_if_increment_exceeds_input_length - should panic ... ok
[INFO] [stdout] test parser::state::tests::get_remaining_slice_panics_if_slice_start_exceeds_input_length - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/char_parsers_tests.rs (/opt/rustwide/target/debug/deps/char_parsers_tests-dd2fff197b75143d)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test many_satisfy_a_char_succeeds ... ok
[INFO] [stdout] test p_char_b_char_fails_with_error ... ok
[INFO] [stdout] test p_string_hello_string_succeeds ... ok
[INFO] [stdout] test p_string_hello_string_fails_with_error_when_input_is_too_short ... ok
[INFO] [stdout] test p_string_hello_string_fails_with_error ... ok
[INFO] [stdout] test p_i64_ten_digit_number_succeeds ... ok
[INFO] [stdout] test p_i32_negative_three_digit_number_succeeds ... ok
[INFO] [stdout] test ws_run_complex_series_of_parsers_fails_with_fatal_error ... ok
[INFO] [stdout] test ws_run_complex_series_of_parsers_succeeds ... ok
[INFO] [stdout] test p_i32_integer_exceeds_i32_max_fails_with_error ... ok
[INFO] [stdout] test satisfy_is_ascii_lowercase_fails_with_error ... ok
[INFO] [stdout] test many_satisfy_a_char_succeeds_when_no_values_returned_by_parser ... ok
[INFO] [stdout] test p_u32_three_digit_number_succeeds ... ok
[INFO] [stdout] test p_f32_negative_decimal_number_succeeds ... ok
[INFO] [stdout] test p_f32_integer_exceeds_f32_max_fails_with_error ... ok
[INFO] [stdout] test satisfy_is_ascii_lowercase_succeeds ... ok
[INFO] [stdout] test p_char_a_char_succeeds ... ok
[INFO] [stdout] test p_i32_alphabetic_chars_fails_with_error ... ok
[INFO] [stdout] test p_f32_alphabetic_chars_fails_with_error ... ok
[INFO] [stdout] test p_f32_decimal_number_followed_by_period_succeeds ... ok
[INFO] [stdout] test p_f64_decimal_number_succeeds ... ok
[INFO] [stdout] test p_f32_decimal_number_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/combinators_many_tests.rs (/opt/rustwide/target/debug/deps/combinators_many_tests-d18b098251318fdd)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test skip_many_1_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test many_1_run_simple_parsers_succeeds_with_three_values ... ok
[INFO] [stdout] test many_run_simple_parsers_succeeds_with_three_values ... ok
[INFO] [stderr]      Running tests/combinators_many_till_tests.rs (/opt/rustwide/target/debug/deps/combinators_many_till_tests-5521d59ca8b58aa2)
[INFO] [stdout] test many_1_run_simple_parsers_fails_with_error_when_no_values_returned_by_parser ... ok
[INFO] [stdout] test many_run_complex_parsers_fails_with_fatal_error ... ok
[INFO] [stdout] test skip_many_1_run_simple_parsers_fails_with_error_when_no_values_returned_by_parser ... ok
[INFO] [stdout] test many_run_simple_parsers_succeeds_when_no_values_returned_by_parser ... ok
[INFO] [stdout] test skip_many_run_complex_parsers_fails_with_fatal_error ... ok
[INFO] [stdout] test many_run_complex_parsers_succeeds_with_three_values ... ok
[INFO] [stdout] test skip_many_run_simple_parsers_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test skip_many_till_run_complex_parsers_fails_with_fatal_error_at_many_parser ... ok
[INFO] [stdout] test many_till_run_simple_parsers_succeeds_when_no_values_returned_by_first_parser ... ok
[INFO] [stdout] test many_till_run_complex_parsers_fails_with_fatal_error_at_many_parser ... ok
[INFO] [stdout] test skip_many_till_run_simple_parsers_fails_with_fatal_error_at_end_parser ... ok
[INFO] [stdout] test skip_many_1_till_run_simple_parsers_fails_with_error_when_no_values_parsed_by_first_parser ... ok
[INFO] [stdout] test skip_many_till_run_simple_parsers_fails_with_error_at_end_parser ... ok
[INFO] [stdout] test many_till_run_simple_parsers_succeeds_with_three_values ... ok
[INFO] [stdout] test many_1_till_run_simple_parsers_succeeds_with_three_values ... ok
[INFO] [stdout] test skip_many_1_till_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test many_till_run_simple_parsers_fails_with_fatal_error_at_end_parser ... ok
[INFO] [stdout] test skip_many_till_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test skip_many_till_run_simple_parsers_succeeds_with_no_values_parsed_by_first_parser ... ok
[INFO] [stdout] test many_1_till_run_simple_parsers_fails_with_error_when_no_values_returned_by_first_parser ... ok
[INFO] [stdout] test many_till_run_simple_parsers_fails_with_error_at_end_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/combinators_pipe_tests.rs (/opt/rustwide/target/debug/deps/combinators_pipe_tests-ee56dd22a6631391)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tuple_2_run_complex_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test tuple_3_run_simple_parsers_fails_with_error_at_first_parser ... ok
[INFO] [stdout] test tuple_4_run_simple_parsers_fails_with_fatal_error_at_fourth_parser ... ok
[INFO] [stdout] test tuple_4_run_simple_parsers_fails_with_fatal_error_at_third_parser ... ok
[INFO] [stdout] test tuple_4_run_simple_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test tuple_2_run_complex_parsers_fails_with_fatal_error_at_first_parser ... ok
[INFO] [stdout] test tuple_2_run_simple_parsers_fails_with_error_at_first_parser ... ok
[INFO] [stdout] test tuple_3_run_simple_parsers_fails_with_fatal_error_at_third_parser ... ok
[INFO] [stdout] test tuple_2_run_simple_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test tuple_5_run_simple_parsers_fails_with_error_at_first_parser ... ok
[INFO] [stdout] test tuple_4_run_simple_parserss_succeeds ... ok
[INFO] [stdout] test tuple_2_run_simple_parserss_succeeds ... ok
[INFO] [stdout] test tuple_3_run_simple_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test tuple_5_run_simple_parsers_fails_with_fatal_error_at_fifth_parser ... ok
[INFO] [stdout] test tuple_5_run_simple_parserss_succeeds ... ok
[INFO] [stdout] test tuple_5_run_simple_parsers_fails_with_fatal_error_at_fourth_parser ... ok
[INFO] [stdout] test tuple_3_run_simple_parserss_succeeds ... ok
[INFO] [stdout] test tuple_5_run_simple_parsers_fails_with_fatal_error_at_third_parser ... ok
[INFO] [stdout] test tuple_4_run_simple_parsers_fails_with_error_at_first_parser ... ok
[INFO] [stdout] test tuple_5_run_simple_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/combinators_sep_by_tests.rs (/opt/rustwide/target/debug/deps/combinators_sep_by_tests-55089c43ad7473f5)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test sep_by_run_complex_parsers_fails_parsing_separator_with_fatal_error ... ok
[INFO] [stdout] test sep_by_run_simple_parsers_succeeds_when_no_values_returned_by_parser ... ok
[INFO] [stdout] test skip_sep_by_1_run_simple_parsers_fails_with_error_when_no_values_returned_by_parser ... ok
[INFO] [stdout] test sep_by_1_run_simple_parserss_succeeds ... ok
[INFO] [stdout] test skip_sep_by_run_complex_parsers_fails_with_fatal_error ... ok
[INFO] [stdout] test skip_sep_by_run_simple_parserss_succeeds ... ok
[INFO] [stdout] test skip_sep_by_run_complex_parsers_fails_parsing_separator_with_fatal_error ... ok
[INFO] [stdout] test sep_by_run_complex_parsers_fails_with_fatal_error ... ok
[INFO] [stdout] test sep_by_1_run_simple_parsers_fails_with_error_when_no_values_returned_by_parser ... ok
[INFO] [stdout] test sep_by_run_simple_parserss_succeeds ... ok
[INFO] [stdout] test skip_sep_by_1_run_simple_parserss_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/combinators_tests.rs (/opt/rustwide/target/debug/deps/combinators_tests-be2c94b8020e1155)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-27663c79649d3cc1)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test choice_run_simple_parsers_fails_with_error ... ok
[INFO] [stdout] test attempt_run_complex_parsers_succeeds ... ok
[INFO] [stdout] test attempt_run_complex_parsers_fails_with_error ... ok
[INFO] [stdout] test choice_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test choice_run_complex_parsers_fails_with_fatal_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test succeeds_parsing_json_object_with_list ... ok
[INFO] [stdout] test succeeds_parsing_simple_json_object ... ok
[INFO] [stdout] test succeed_parsing_list_of_json_objects ... ok
[INFO] [stdout] test suceeds_parsing_nested_json_objects_and_lists ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test and_run_complex_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test and_run_complex_parsers_succeeds ... ok
[INFO] [stdout] test and_try_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test fails_parsing_with_between_at_middle ... ok
[INFO] [stderr]      Running tests/parser_tests.rs (/opt/rustwide/target/debug/deps/parser_tests-de424a0cc4959ab8)
[INFO] [stdout] test or_run_complex_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test fails_parsing_with_between_at_close ... ok
[INFO] [stdout] test and_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test fails_parsing_with_then_return ... ok
[INFO] [stdout] test and_run_simple_parsers_fails_with_error_at_first_parser ... ok
[INFO] [stdout] test and_run_simple_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test and_run_complex_parsers_fails_with_fatal_error_at_first_parser ... ok
[INFO] [stdout] test fails_parsing_with_between_at_open ... ok
[INFO] [stdout] test fails_parsing_with_followed_by ... ok
[INFO] [stdout] test fails_parsing_with_try_bind ... ok
[INFO] [stdout] test fails_parsing_with_bind ... ok
[INFO] [stdout] test fails_parsing_with_not_followed_by ... ok
[INFO] [stdout] test fails_parsing_with_optional_returns_unit ... ok
[INFO] [stdout] test fails_parsing_with_try_bind_fatal_err ... ok
[INFO] [stdout] test and_try_run_complex_parsers_fails_with_error_at_second_parser ... ok
[INFO] [stdout] test and_try_run_complex_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test take_next_run_simple_parser_fails_with_error_at_first_parser ... ok
[INFO] [stdout] test or_run_simple_parsers_success_at_second_parser ... ok
[INFO] [stdout] test succeeds_parsing_with_between ... ok
[INFO] [stdout] test succeeds_parsing_with_try_bind ... ok
[INFO] [stdout] test or_run_simple_parsers_fails_with_error_at_second_parser ... ok
[INFO] [stdout] test or_run_simple_parsers_success_at_first_parser ... ok
[INFO] [stdout] test take_next_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test succeeds_parsing_with_optional ... ok
[INFO] [stdout] test succeeds_parsing_with_opt_returns_none ... ok
[INFO] [stdout] test succeeds_parsing_with_followed_by ... ok
[INFO] [stdout] test succeeds_parsing_with_bind ... ok
[INFO] [stdout] test succeeds_parsing_with_not_followed_by ... ok
[INFO] [stdout] test succeeds_parsing_with_or_return ... ok
[INFO] [stdout] test succeeds_parsing_with_opt_returns_some ... ok
[INFO] [stdout] test succeeds_parsing_with_map ... ok
[INFO] [stdout] test take_prev_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test take_prev_run_simple_parsers_fails_with_error_at_first_parser ... ok
[INFO] [stdout] test take_next_run_simple_parser_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test try_take_prev_run_complex_parsers_fails_with_error_at_second_parser ... ok
[INFO] [stdout] test take_prev_run_simple_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test try_take_next_run_complex_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test try_take_prev_run_complex_parsers_fails_with_fatal_error_at_second_parser ... ok
[INFO] [stdout] test succeeds_parsing_with_or_return_using_default_return ... ok
[INFO] [stdout] test try_take_next_run_complex_parsers_fails_with_error_at_second_parser ... ok
[INFO] [stdout] test try_take_next_run_simple_parsers_succeeds ... ok
[INFO] [stdout] test succeeds_parsing_with_then_return ... ok
[INFO] [stdout] test try_take_prev_run_simple_parsers_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty_parsec
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rusty_parsec --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-8f80b14ffb3a9790.rlib --extern rusty_parsec=/opt/rustwide/target/debug/deps/librusty_parsec-4d132e96a3c59260.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "236b84f8434e599ee1954bf29ec4ae5bbcd19c288289c0319f07f711a9fceb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236b84f8434e599ee1954bf29ec4ae5bbcd19c288289c0319f07f711a9fceb18", kill_on_drop: false }`
[INFO] [stdout] 236b84f8434e599ee1954bf29ec4ae5bbcd19c288289c0319f07f711a9fceb18
