[INFO] cloning repository https://github.com/LyndonAlcock/symbolic_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LyndonAlcock/symbolic_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndonAlcock%2Fsymbolic_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndonAlcock%2Fsymbolic_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13966bd11a29ec1dbd0b748ecebbf4593b314292
[INFO] checking LyndonAlcock/symbolic_rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndonAlcock%2Fsymbolic_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LyndonAlcock/symbolic_rs
[INFO] finished tweaking git repo https://github.com/LyndonAlcock/symbolic_rs
[INFO] tweaked toml for git repo https://github.com/LyndonAlcock/symbolic_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LyndonAlcock/symbolic_rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LyndonAlcock/symbolic_rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 629215b60bae8696df0e92d9fd2d612d0f7361446ce80c55ec92beb641cb0262
[INFO] running `Command { std: "docker" "start" "-a" "629215b60bae8696df0e92d9fd2d612d0f7361446ce80c55ec92beb641cb0262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "629215b60bae8696df0e92d9fd2d612d0f7361446ce80c55ec92beb641cb0262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629215b60bae8696df0e92d9fd2d612d0f7361446ce80c55ec92beb641cb0262", kill_on_drop: false }`
[INFO] [stdout] 629215b60bae8696df0e92d9fd2d612d0f7361446ce80c55ec92beb641cb0262
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f1b92ed7b370fa93f77536233497a4cad9af0d7bee8f5a87a79ca326d5d816e
[INFO] running `Command { std: "docker" "start" "-a" "5f1b92ed7b370fa93f77536233497a4cad9af0d7bee8f5a87a79ca326d5d816e", kill_on_drop: false }`
[INFO] [stderr]     Checking symbolic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let func = symbolic!{fn a * sin(a * x) + x^2};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Symbolic<'_>`, found `Vec<Symbolic<'_>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Symbolic<'_>`
[INFO] [stdout]             found struct `Vec<Symbolic<'_>>`
[INFO] [stdout]    = note: this error originates in the macro `vec` which comes from the expansion of the macro `symbolic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let func = symbolic!{fn a * sin(a * x) + x^2};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Symbolic<'_>`, found `Vec<Symbolic<'_>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Symbolic<'_>`
[INFO] [stdout]             found struct `Vec<Symbolic<'_>>`
[INFO] [stdout]    = note: this error originates in the macro `vec` which comes from the expansion of the macro `symbolic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `symbolic` (bin "symbolic") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `symbolic` (bin "symbolic" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5f1b92ed7b370fa93f77536233497a4cad9af0d7bee8f5a87a79ca326d5d816e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1b92ed7b370fa93f77536233497a4cad9af0d7bee8f5a87a79ca326d5d816e", kill_on_drop: false }`
[INFO] [stdout] 5f1b92ed7b370fa93f77536233497a4cad9af0d7bee8f5a87a79ca326d5d816e