[INFO] cloning repository https://github.com/ngsankha/scheme-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngsankha/scheme-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngsankha%2Fscheme-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngsankha%2Fscheme-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7daf93eb56947798e92ada40d2fe79312ae05bfb
[INFO] checking ngsankha/scheme-compiler against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngsankha%2Fscheme-compiler" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngsankha/scheme-compiler on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngsankha/scheme-compiler
[INFO] finished tweaking git repo https://github.com/ngsankha/scheme-compiler
[INFO] tweaked toml for git repo https://github.com/ngsankha/scheme-compiler written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ngsankha/scheme-compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 630ab13d3706887e6b0597e1e44c3a9996aebba5e1bff46db698f79b5a000b46
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "630ab13d3706887e6b0597e1e44c3a9996aebba5e1bff46db698f79b5a000b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "630ab13d3706887e6b0597e1e44c3a9996aebba5e1bff46db698f79b5a000b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630ab13d3706887e6b0597e1e44c3a9996aebba5e1bff46db698f79b5a000b46", kill_on_drop: false }`
[INFO] [stdout] 630ab13d3706887e6b0597e1e44c3a9996aebba5e1bff46db698f79b5a000b46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b813839dc34007728eff5f70d9e4f0665f94ed0e17254e7f70ebbe93189ed30
[INFO] running `Command { std: "docker" "start" "-a" "5b813839dc34007728eff5f70d9e4f0665f94ed0e17254e7f70ebbe93189ed30", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking language v0.1.0 (/opt/rustwide/workdir/language)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> language/src/lib.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |           panic!(format!("expected empty string, got {}", rem))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 16 |           panic!("expected empty string, got {}", rem)
[INFO] [stdout]    |                 --                                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> language/src/lib.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |       Err(err) => panic!(err.to_string())
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 19 |       Err(err) => panic!("{}", err.to_string())
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 19 |       Err(err) => std::panic::panic_any(err.to_string())
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]     Checking scheme-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "5b813839dc34007728eff5f70d9e4f0665f94ed0e17254e7f70ebbe93189ed30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b813839dc34007728eff5f70d9e4f0665f94ed0e17254e7f70ebbe93189ed30", kill_on_drop: false }`
[INFO] [stdout] 5b813839dc34007728eff5f70d9e4f0665f94ed0e17254e7f70ebbe93189ed30