[INFO] fetching crate ms-sh 0.0.0...
[INFO] building ms-sh-0.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ms-sh 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ms-sh 0.0.0
[INFO] finished tweaking crates.io crate ms-sh 0.0.0
[INFO] tweaked toml for crates.io crate ms-sh 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ms-sh 0.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ms-sh 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded similar v2.2.1
[INFO] [stderr]   Downloaded console v0.15.5
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded insta v1.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd63c117438f16fb1b466d2312545ea7372f99cbd075f2e128184174d09dc2b1
[INFO] running `Command { std: "docker" "start" "-a" "dd63c117438f16fb1b466d2312545ea7372f99cbd075f2e128184174d09dc2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd63c117438f16fb1b466d2312545ea7372f99cbd075f2e128184174d09dc2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd63c117438f16fb1b466d2312545ea7372f99cbd075f2e128184174d09dc2b1", kill_on_drop: false }`
[INFO] [stdout] dd63c117438f16fb1b466d2312545ea7372f99cbd075f2e128184174d09dc2b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c0fcde841a0750caa032258b05db6d435092f9bac38a899e8abd05ca9df5cc7
[INFO] running `Command { std: "docker" "start" "-a" "6c0fcde841a0750caa032258b05db6d435092f9bac38a899e8abd05ca9df5cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ms-sh v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/mod.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn parse(tokens: &Vec<Token>) -> Result<Ast, String> {
[INFO] [stdout]    |                      ^^^^^^^^^^^            ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn parse(tokens: &Vec<Token>) -> Result<Ast<'_>, String> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "6c0fcde841a0750caa032258b05db6d435092f9bac38a899e8abd05ca9df5cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0fcde841a0750caa032258b05db6d435092f9bac38a899e8abd05ca9df5cc7", kill_on_drop: false }`
[INFO] [stdout] 6c0fcde841a0750caa032258b05db6d435092f9bac38a899e8abd05ca9df5cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe501e92e994e520205f053e5d38bb4b3fafd6847191bd8ab4d28835576a41f0
[INFO] running `Command { std: "docker" "start" "-a" "fe501e92e994e520205f053e5d38bb4b3fafd6847191bd8ab4d28835576a41f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling similar v2.2.1
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling insta v1.28.0
[INFO] [stderr]    Compiling ms-sh v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/mod.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn parse(tokens: &Vec<Token>) -> Result<Ast, String> {
[INFO] [stdout]    |                      ^^^^^^^^^^^            ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn parse(tokens: &Vec<Token>) -> Result<Ast<'_>, String> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/runtime/eval.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         evaluator.eval_udf(0, &locals); // compute initial value of global vars
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let _ = evaluator.eval_udf(0, &locals); // compute initial value of global vars
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/runtime/eval.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         evaluator.eval();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let _ = evaluator.eval();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/runtime/eval.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         evaluator.eval_udf(2, &args);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let _ = evaluator.eval_udf(2, &args);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "fe501e92e994e520205f053e5d38bb4b3fafd6847191bd8ab4d28835576a41f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe501e92e994e520205f053e5d38bb4b3fafd6847191bd8ab4d28835576a41f0", kill_on_drop: false }`
[INFO] [stdout] fe501e92e994e520205f053e5d38bb4b3fafd6847191bd8ab4d28835576a41f0