[INFO] cloning repository https://github.com/LunarCoffee/Knot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LunarCoffee/Knot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2FKnot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2FKnot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93d4ba669af161d899e2c65b59b2607c95708e2e
[INFO] testing LunarCoffee/Knot against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2FKnot" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LunarCoffee/Knot on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LunarCoffee/Knot
[INFO] finished tweaking git repo https://github.com/LunarCoffee/Knot
[INFO] tweaked toml for git repo https://github.com/LunarCoffee/Knot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/LunarCoffee/Knot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.3.0
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fd336f03445626b0c68c5311aa4da904c4bfc60686237e076298bb78976e7b6
[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" "9fd336f03445626b0c68c5311aa4da904c4bfc60686237e076298bb78976e7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fd336f03445626b0c68c5311aa4da904c4bfc60686237e076298bb78976e7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd336f03445626b0c68c5311aa4da904c4bfc60686237e076298bb78976e7b6", kill_on_drop: false }`
[INFO] [stdout] 9fd336f03445626b0c68c5311aa4da904c4bfc60686237e076298bb78976e7b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b89c9192abd4ea396de3afe532ee19d7123e18b351beef75a68912d70a961498
[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" "b89c9192abd4ea396de3afe532ee19d7123e18b351beef75a68912d70a961498", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling knot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Expression`
[INFO] [stdout]  --> src/lang/parser.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Expression {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spaces`
[INFO] [stdout]   --> src/parse/std_parsers.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn spaces() -> impl Parser<Output=()> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign`
[INFO] [stdout]   --> src/parse/std_parsers.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn sign<I: Integer + Neg<Output=I>>() -> impl Parser<Output=fn(I) -> I> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decimal`
[INFO] [stdout]   --> src/parse/std_parsers.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn decimal<I: Integer + FromStr + Neg<Output=I>>() -> impl Parser<Output=I> {
[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 17.74s
[INFO] running `Command { std: "docker" "inspect" "b89c9192abd4ea396de3afe532ee19d7123e18b351beef75a68912d70a961498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89c9192abd4ea396de3afe532ee19d7123e18b351beef75a68912d70a961498", kill_on_drop: false }`
[INFO] [stdout] b89c9192abd4ea396de3afe532ee19d7123e18b351beef75a68912d70a961498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2839649e53a44ccd5df49caf49a07a79738a5ad54bd5cc78570184d9292e7918
[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" "2839649e53a44ccd5df49caf49a07a79738a5ad54bd5cc78570184d9292e7918", kill_on_drop: false }`
[INFO] [stderr]    Compiling knot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Expression`
[INFO] [stdout]  --> src/lang/parser.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Expression {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spaces`
[INFO] [stdout]   --> src/parse/std_parsers.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn spaces() -> impl Parser<Output=()> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign`
[INFO] [stdout]   --> src/parse/std_parsers.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn sign<I: Integer + Neg<Output=I>>() -> impl Parser<Output=fn(I) -> I> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decimal`
[INFO] [stdout]   --> src/parse/std_parsers.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn decimal<I: Integer + FromStr + Neg<Output=I>>() -> impl Parser<Output=I> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "2839649e53a44ccd5df49caf49a07a79738a5ad54bd5cc78570184d9292e7918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2839649e53a44ccd5df49caf49a07a79738a5ad54bd5cc78570184d9292e7918", kill_on_drop: false }`
[INFO] [stdout] 2839649e53a44ccd5df49caf49a07a79738a5ad54bd5cc78570184d9292e7918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b19e0d89926b99c68ce4966f8af98eef2eb37baab5d69650c854d200ccd33c27
[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" "b19e0d89926b99c68ce4966f8af98eef2eb37baab5d69650c854d200ccd33c27", kill_on_drop: false }`
[INFO] [stderr] warning: enum is never used: `Expression`
[INFO] [stderr]  --> src/lang/parser.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Expression {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spaces`
[INFO] [stderr]   --> src/parse/std_parsers.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn spaces() -> impl Parser<Output=()> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sign`
[INFO] [stderr]   --> src/parse/std_parsers.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn sign<I: Integer + Neg<Output=I>>() -> impl Parser<Output=fn(I) -> I> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decimal`
[INFO] [stderr]   --> src/parse/std_parsers.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub fn decimal<I: Integer + FromStr + Neg<Output=I>>() -> impl Parser<Output=I> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/knot-7dbfe9d9311dc8b4
[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] running `Command { std: "docker" "inspect" "b19e0d89926b99c68ce4966f8af98eef2eb37baab5d69650c854d200ccd33c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19e0d89926b99c68ce4966f8af98eef2eb37baab5d69650c854d200ccd33c27", kill_on_drop: false }`
[INFO] [stdout] b19e0d89926b99c68ce4966f8af98eef2eb37baab5d69650c854d200ccd33c27