[INFO] updating cached repository https://github.com/clio-lang/rio
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2dca4acf82421ff76c789733d11ecadbc2678356
[INFO] testing clio-lang/rio against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclio-lang%2Frio" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clio-lang/rio on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/clio-lang/rio
[INFO] finished tweaking git repo https://github.com/clio-lang/rio
[INFO] tweaked toml for git repo https://github.com/clio-lang/rio written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/clio-lang/rio already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 6f843a0153c5062df11cb7ed9ee4e04a8b6a3b22ba048146d991d6732d08f621
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6f843a0153c5062df11cb7ed9ee4e04a8b6a3b22ba048146d991d6732d08f621"`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling rio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> src/core/lexer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/core/lexer.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut tokens: Vec<String> = Vec::new();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Expression`
[INFO] [stderr]  --> src/core/expression.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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: `is_linebreak`
[INFO] [stderr]   --> src/core/expression.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn is_linebreak(input: &str) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.20s
[INFO] running `"docker" "inspect" "6f843a0153c5062df11cb7ed9ee4e04a8b6a3b22ba048146d991d6732d08f621"`
[INFO] running `"docker" "rm" "-f" "6f843a0153c5062df11cb7ed9ee4e04a8b6a3b22ba048146d991d6732d08f621"`
[INFO] [stdout] 6f843a0153c5062df11cb7ed9ee4e04a8b6a3b22ba048146d991d6732d08f621
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 163a391cd70b4602c2460baa8eae9134ac5d1d9e48c0c941e6f2744974f059a3
[INFO] running `"docker" "start" "-a" "163a391cd70b4602c2460baa8eae9134ac5d1d9e48c0c941e6f2744974f059a3"`
[INFO] [stderr]    Compiling rio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> src/core/lexer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/core/lexer.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut tokens: Vec<String> = Vec::new();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Expression`
[INFO] [stderr]  --> src/core/expression.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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: `is_linebreak`
[INFO] [stderr]   --> src/core/expression.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn is_linebreak(input: &str) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "163a391cd70b4602c2460baa8eae9134ac5d1d9e48c0c941e6f2744974f059a3"`
[INFO] running `"docker" "rm" "-f" "163a391cd70b4602c2460baa8eae9134ac5d1d9e48c0c941e6f2744974f059a3"`
[INFO] [stdout] 163a391cd70b4602c2460baa8eae9134ac5d1d9e48c0c941e6f2744974f059a3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93f63b61832d106c141f02b603ef4c9a2168d073bf6272fa551416f55cd2005e
[INFO] running `"docker" "start" "-a" "93f63b61832d106c141f02b603ef4c9a2168d073bf6272fa551416f55cd2005e"`
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> src/core/lexer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/core/lexer.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut tokens: Vec<String> = Vec::new();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Expression`
[INFO] [stderr]  --> src/core/expression.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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: `is_linebreak`
[INFO] [stderr]   --> src/core/expression.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn is_linebreak(input: &str) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rio-500dc2ac3a23f394
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_tokenization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "93f63b61832d106c141f02b603ef4c9a2168d073bf6272fa551416f55cd2005e"`
[INFO] running `"docker" "rm" "-f" "93f63b61832d106c141f02b603ef4c9a2168d073bf6272fa551416f55cd2005e"`
[INFO] [stdout] 93f63b61832d106c141f02b603ef4c9a2168d073bf6272fa551416f55cd2005e