[INFO] cloning repository https://github.com/EstebanBorai/calc-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EstebanBorai/calc-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fcalc-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fcalc-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9677fac15ac75110d41375b4df8a53aac3ba9ff5
[INFO] checking EstebanBorai/calc-lang against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fcalc-lang" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EstebanBorai/calc-lang 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/EstebanBorai/calc-lang
[INFO] finished tweaking git repo https://github.com/EstebanBorai/calc-lang
[INFO] tweaked toml for git repo https://github.com/EstebanBorai/calc-lang written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/EstebanBorai/calc-lang 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 05cf9d4fdf02cfe6fb0f17b10003809cdd171f66d0d2faf4a87fb05a543a6b7b
[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" "05cf9d4fdf02cfe6fb0f17b10003809cdd171f66d0d2faf4a87fb05a543a6b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05cf9d4fdf02cfe6fb0f17b10003809cdd171f66d0d2faf4a87fb05a543a6b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cf9d4fdf02cfe6fb0f17b10003809cdd171f66d0d2faf4a87fb05a543a6b7b", kill_on_drop: false }`
[INFO] [stdout] 05cf9d4fdf02cfe6fb0f17b10003809cdd171f66d0d2faf4a87fb05a543a6b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9952f008b78bff4f1374e5b7a85ec3e6c5cf724e6d02171ecab79f5ba1b93cdc
[INFO] running `Command { std: "docker" "start" "-a" "9952f008b78bff4f1374e5b7a85ec3e6c5cf724e6d02171ecab79f5ba1b93cdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking calc-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run_source`
[INFO] [stdout]   --> src/lib/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn run_source(source: &str) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FILE`
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / const FILE: &str = r#"@a @b
[INFO] [stdout] 4 | |
[INFO] [stdout] 5 | | > a
[INFO] [stdout] 6 | | > b
[INFO] [stdout] 7 | |
[INFO] [stdout] 8 | | < a + b
[INFO] [stdout] 9 | | "#;
[INFO] [stdout]   | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_source`
[INFO] [stdout]   --> src/lib/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn run_source(source: &str) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FILE`
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / const FILE: &str = r#"@a @b
[INFO] [stdout] 4 | |
[INFO] [stdout] 5 | | > a
[INFO] [stdout] 6 | | > b
[INFO] [stdout] 7 | |
[INFO] [stdout] 8 | | < a + b
[INFO] [stdout] 9 | | "#;
[INFO] [stdout]   | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
[INFO] running `Command { std: "docker" "inspect" "9952f008b78bff4f1374e5b7a85ec3e6c5cf724e6d02171ecab79f5ba1b93cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9952f008b78bff4f1374e5b7a85ec3e6c5cf724e6d02171ecab79f5ba1b93cdc", kill_on_drop: false }`
[INFO] [stdout] 9952f008b78bff4f1374e5b7a85ec3e6c5cf724e6d02171ecab79f5ba1b93cdc