[INFO] fetching crate asciimath-text-renderer 0.1.0...
[INFO] checking asciimath-text-renderer-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate asciimath-text-renderer 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate asciimath-text-renderer 0.1.0
[INFO] finished tweaking crates.io crate asciimath-text-renderer 0.1.0
[INFO] tweaked toml for crates.io crate asciimath-text-renderer 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asciimath-text-renderer 0.1.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate asciimath-text-renderer 0.1.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 568b1e0e9681370d3abb4e6f211418cadb44777d4a390df958a51cb6bd4c9e64
[INFO] running `Command { std: "docker" "start" "-a" "568b1e0e9681370d3abb4e6f211418cadb44777d4a390df958a51cb6bd4c9e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568b1e0e9681370d3abb4e6f211418cadb44777d4a390df958a51cb6bd4c9e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568b1e0e9681370d3abb4e6f211418cadb44777d4a390df958a51cb6bd4c9e64", kill_on_drop: false }`
[INFO] [stdout] 568b1e0e9681370d3abb4e6f211418cadb44777d4a390df958a51cb6bd4c9e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 700578a744e3f7e503f6e8256615e14bfa828e7a4cabe0b8f7cb731bcc8f8d4f
[INFO] running `Command { std: "docker" "start" "-a" "700578a744e3f7e503f6e8256615e14bfa828e7a4cabe0b8f7cb731bcc8f8d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking qp-trie v0.8.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking asciimath-parser v0.1.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking asciimath-text-renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `example_name` is never read
[INFO] [stdout]    --> src/renderer.rs:870:21
[INFO] [stdout]     |
[INFO] [stdout] 870 |                     example_name = "";
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `expected` should have an upper case name
[INFO] [stdout]   --> src/text_canvas.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |         const expected: &str = concat!("ab  \n", "cd  \n", "    \n", "    ");
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 99 -         const expected: &str = concat!("ab  \n", "cd  \n", "    \n", "    ");
[INFO] [stdout] 99 +         const EXPECTED: &str = concat!("ab  \n", "cd  \n", "    \n", "    ");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `example_name` is never read
[INFO] [stdout]    --> src/renderer.rs:870:21
[INFO] [stdout]     |
[INFO] [stdout] 870 |                     example_name = "";
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `expected` should have an upper case name
[INFO] [stdout]   --> src/text_canvas.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |         const expected: &str = concat!("ab  \n", "cd  \n", "    \n", "    ");
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 99 -         const expected: &str = concat!("ab  \n", "cd  \n", "    \n", "    ");
[INFO] [stdout] 99 +         const EXPECTED: &str = concat!("ab  \n", "cd  \n", "    \n", "    ");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "700578a744e3f7e503f6e8256615e14bfa828e7a4cabe0b8f7cb731bcc8f8d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700578a744e3f7e503f6e8256615e14bfa828e7a4cabe0b8f7cb731bcc8f8d4f", kill_on_drop: false }`
[INFO] [stdout] 700578a744e3f7e503f6e8256615e14bfa828e7a4cabe0b8f7cb731bcc8f8d4f