[INFO] cloning repository https://github.com/tamamu/gmml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tamamu/gmml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Fgmml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Fgmml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62efdd50353d41e015058187aec6d0422a14ee2b
[INFO] checking tamamu/gmml against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Fgmml" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tamamu/gmml 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/tamamu/gmml
[INFO] finished tweaking git repo https://github.com/tamamu/gmml
[INFO] tweaked toml for git repo https://github.com/tamamu/gmml written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/tamamu/gmml 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 57ce929dc9be10fa249b58604a8479a3b701b213affb1fddd492a33d9e61bfb3
[INFO] running `Command { std: "docker" "start" "-a" "57ce929dc9be10fa249b58604a8479a3b701b213affb1fddd492a33d9e61bfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ce929dc9be10fa249b58604a8479a3b701b213affb1fddd492a33d9e61bfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ce929dc9be10fa249b58604a8479a3b701b213affb1fddd492a33d9e61bfb3", kill_on_drop: false }`
[INFO] [stdout] 57ce929dc9be10fa249b58604a8479a3b701b213affb1fddd492a33d9e61bfb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 413365f6eef783d0c8420414686fa3677f67a1001b41b2ed64f9d2306ac3c55c
[INFO] running `Command { std: "docker" "start" "-a" "413365f6eef783d0c8420414686fa3677f67a1001b41b2ed64f9d2306ac3c55c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking gmml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]   --> src/parse.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sym`
[INFO] [stdout]   --> src/parse.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     sym: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parse.rs:450:48
[INFO] [stdout]     |
[INFO] [stdout] 450 |             _ => panic!("parsing error: expect {, string, number, or identifier"),
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 450 |             _ => panic!("{}", "parsing error: expect {, string, number, or identifier"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parse.rs:514:48
[INFO] [stdout]     |
[INFO] [stdout] 514 |             _ => panic!("parsing error: expect {"),
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 514 |             _ => panic!("{}", "parsing error: expect {"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parse.rs:544:48
[INFO] [stdout]     |
[INFO] [stdout] 544 |             _ => panic!("parsing error: expect }"),
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 544 |             _ => panic!("{}", "parsing error: expect }"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]   --> src/parse.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sym`
[INFO] [stdout]   --> src/parse.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     sym: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parse.rs:450:48
[INFO] [stdout]     |
[INFO] [stdout] 450 |             _ => panic!("parsing error: expect {, string, number, or identifier"),
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 450 |             _ => panic!("{}", "parsing error: expect {, string, number, or identifier"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parse.rs:514:48
[INFO] [stdout]     |
[INFO] [stdout] 514 |             _ => panic!("parsing error: expect {"),
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 514 |             _ => panic!("{}", "parsing error: expect {"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]    --> src/parse.rs:544:48
[INFO] [stdout]     |
[INFO] [stdout] 544 |             _ => panic!("parsing error: expect }"),
[INFO] [stdout]     |                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 544 |             _ => panic!("{}", "parsing error: expect }"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/bin/gmml.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/bin/gmml.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.00s
[INFO] running `Command { std: "docker" "inspect" "413365f6eef783d0c8420414686fa3677f67a1001b41b2ed64f9d2306ac3c55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413365f6eef783d0c8420414686fa3677f67a1001b41b2ed64f9d2306ac3c55c", kill_on_drop: false }`
[INFO] [stdout] 413365f6eef783d0c8420414686fa3677f67a1001b41b2ed64f9d2306ac3c55c