[INFO] cloning repository https://github.com/jacoobes/math_eval
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacoobes/math_eval" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacoobes%2Fmath_eval", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacoobes%2Fmath_eval'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39c9ca44e366f421f4fdd2c21075c267a6d3cc89
[INFO] checking jacoobes/math_eval against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacoobes%2Fmath_eval" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacoobes/math_eval on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacoobes/math_eval
[INFO] finished tweaking git repo https://github.com/jacoobes/math_eval
[INFO] tweaked toml for git repo https://github.com/jacoobes/math_eval written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/jacoobes/math_eval already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 peekmore v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bca6d8a3a41afa2d21e903fca729a614ae4e10a2e8430fee33a6a06cfc3d91ed
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[INFO] running `Command { std: "docker" "inspect" "bca6d8a3a41afa2d21e903fca729a614ae4e10a2e8430fee33a6a06cfc3d91ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca6d8a3a41afa2d21e903fca729a614ae4e10a2e8430fee33a6a06cfc3d91ed", kill_on_drop: false }`
[INFO] [stdout] bca6d8a3a41afa2d21e903fca729a614ae4e10a2e8430fee33a6a06cfc3d91ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef77f2425c861d644b06425148ae7859f44acabcd97d733ca55c117ae325eb8
[INFO] running `Command { std: "docker" "start" "-a" "1ef77f2425c861d644b06425148ae7859f44acabcd97d733ca55c117ae325eb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking peekmore v1.0.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking math_eval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/panicker/parse_error.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tokenizer::tokens::{Token, TokenType};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::write`
[INFO] [stdout]  --> src/parser/expr/binary.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `format`, `write`
[INFO] [stdout]  --> src/parser/expr/grouping.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{format, write};
[INFO] [stdout]   |                ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PeekMoreIterator`, `PeekMore`
[INFO] [stdout]  --> src/parser/parser.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use peekmore::{PeekMore, PeekMoreIterator};
[INFO] [stdout]   |                ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::panicker::lex_error::LexErr`
[INFO] [stdout]  --> src/parser/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::panicker::lex_error::LexErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/parser/parser.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::vec::{self, IntoIter};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PeekMoreIterator`, `PeekMore`
[INFO] [stdout]  --> src/tokenizer/tokenizer.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use peekmore::{PeekMore, PeekMoreIterator};
[INFO] [stdout]   |                ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/panicker/parse_error.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tokenizer::tokens::{Token, TokenType};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::write`
[INFO] [stdout]  --> src/parser/expr/binary.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `format`, `write`
[INFO] [stdout]  --> src/parser/expr/grouping.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{format, write};
[INFO] [stdout]   |                ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PeekMoreIterator`, `PeekMore`
[INFO] [stdout]  --> src/parser/parser.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use peekmore::{PeekMore, PeekMoreIterator};
[INFO] [stdout]   |                ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::panicker::lex_error::LexErr`
[INFO] [stdout]  --> src/parser/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::panicker::lex_error::LexErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/parser/parser.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::vec::{self, IntoIter};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PeekMoreIterator`, `PeekMore`
[INFO] [stdout]  --> src/tokenizer/tokenizer.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use peekmore::{PeekMore, PeekMoreIterator};
[INFO] [stdout]   |                ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign`
[INFO] [stdout]  --> src/parser/expr/unary.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sign: Token,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> src/parser/expr/unary.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     value: Box<dyn Expr>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign`
[INFO] [stdout]  --> src/parser/expr/unary.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sign: Token,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> src/parser/expr/unary.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     value: Box<dyn Expr>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "1ef77f2425c861d644b06425148ae7859f44acabcd97d733ca55c117ae325eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef77f2425c861d644b06425148ae7859f44acabcd97d733ca55c117ae325eb8", kill_on_drop: false }`
[INFO] [stdout] 1ef77f2425c861d644b06425148ae7859f44acabcd97d733ca55c117ae325eb8