[INFO] fetching crate barsh 0.0.0...
[INFO] checking barsh-0.0.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate barsh 0.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate barsh 0.0.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barsh 0.0.0
[INFO] finished tweaking crates.io crate barsh 0.0.0
[INFO] tweaked toml for crates.io crate barsh 0.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate barsh 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded insta v1.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 885f53f644e54728953071f437e3b1592a266b40a87c50c4025f5951e8f01d99
[INFO] running `Command { std: "docker" "start" "-a" "885f53f644e54728953071f437e3b1592a266b40a87c50c4025f5951e8f01d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "885f53f644e54728953071f437e3b1592a266b40a87c50c4025f5951e8f01d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885f53f644e54728953071f437e3b1592a266b40a87c50c4025f5951e8f01d99", kill_on_drop: false }`
[INFO] [stdout] 885f53f644e54728953071f437e3b1592a266b40a87c50c4025f5951e8f01d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b656a0e66cb013ad733ed1d31469589b79c8956d15e5a0a5aafeb057fd8a8663
[INFO] running `Command { std: "docker" "start" "-a" "b656a0e66cb013ad733ed1d31469589b79c8956d15e5a0a5aafeb057fd8a8663", kill_on_drop: false }`
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking barsh v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking console v0.15.5
[INFO] [stderr]     Checking insta v1.28.0
[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)]` 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "b656a0e66cb013ad733ed1d31469589b79c8956d15e5a0a5aafeb057fd8a8663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b656a0e66cb013ad733ed1d31469589b79c8956d15e5a0a5aafeb057fd8a8663", kill_on_drop: false }`
[INFO] [stdout] b656a0e66cb013ad733ed1d31469589b79c8956d15e5a0a5aafeb057fd8a8663
[INFO] checking barsh-0.0.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate barsh 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate barsh 0.0.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barsh 0.0.0
[INFO] finished tweaking crates.io crate barsh 0.0.0
[INFO] tweaked toml for crates.io crate barsh 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate barsh 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ce47261bf32f4fb39e9f46b111d0952a7b437af905a0b62de9c3ac992b5a39c
[INFO] running `Command { std: "docker" "start" "-a" "8ce47261bf32f4fb39e9f46b111d0952a7b437af905a0b62de9c3ac992b5a39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce47261bf32f4fb39e9f46b111d0952a7b437af905a0b62de9c3ac992b5a39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce47261bf32f4fb39e9f46b111d0952a7b437af905a0b62de9c3ac992b5a39c", kill_on_drop: false }`
[INFO] [stdout] 8ce47261bf32f4fb39e9f46b111d0952a7b437af905a0b62de9c3ac992b5a39c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eeb25adad5f20ddc337f34c09b169c60aae501f9d27db93203ec8a9e144f187
[INFO] running `Command { std: "docker" "start" "-a" "4eeb25adad5f20ddc337f34c09b169c60aae501f9d27db93203ec8a9e144f187", kill_on_drop: false }`
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking barsh v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking console v0.15.5
[INFO] [stderr]     Checking insta v1.28.0
[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)]` 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "4eeb25adad5f20ddc337f34c09b169c60aae501f9d27db93203ec8a9e144f187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eeb25adad5f20ddc337f34c09b169c60aae501f9d27db93203ec8a9e144f187", kill_on_drop: false }`
[INFO] [stdout] 4eeb25adad5f20ddc337f34c09b169c60aae501f9d27db93203ec8a9e144f187