[INFO] cloning repository https://github.com/mFrankowicz/rispreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mFrankowicz/rispreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmFrankowicz%2Frispreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmFrankowicz%2Frispreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 914babc836850d6c07755dfbd76f56bf3bfde0c1
[INFO] checking mFrankowicz/rispreter against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmFrankowicz%2Frispreter" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mFrankowicz/rispreter 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/mFrankowicz/rispreter
[INFO] finished tweaking git repo https://github.com/mFrankowicz/rispreter
[INFO] tweaked toml for git repo https://github.com/mFrankowicz/rispreter written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/mFrankowicz/rispreter 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.11
[INFO] [stderr]   Downloaded failure_derive v0.1.3
[INFO] [stderr]   Downloaded failure v0.1.3
[INFO] [stderr]   Downloaded smallstr v0.1.0
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.26
[INFO] [stderr]   Downloaded arrayvec v0.4.9
[INFO] [stderr]   Downloaded mortal v0.1.5
[INFO] [stderr]   Downloaded terminfo v0.6.1
[INFO] [stderr]   Downloaded linefeed v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 5c76118bf77b3a79bef3a9e00d38f2c34e511ec7d7fcdc7cad2db67e4792dd91
[INFO] running `Command { std: "docker" "start" "-a" "5c76118bf77b3a79bef3a9e00d38f2c34e511ec7d7fcdc7cad2db67e4792dd91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c76118bf77b3a79bef3a9e00d38f2c34e511ec7d7fcdc7cad2db67e4792dd91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c76118bf77b3a79bef3a9e00d38f2c34e511ec7d7fcdc7cad2db67e4792dd91", kill_on_drop: false }`
[INFO] [stdout] 5c76118bf77b3a79bef3a9e00d38f2c34e511ec7d7fcdc7cad2db67e4792dd91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 8a8048c3c5650853575e797ddc8fa4522addf512813a73a701454fbeb56efb80
[INFO] running `Command { std: "docker" "start" "-a" "8a8048c3c5650853575e797ddc8fa4522addf512813a73a701454fbeb56efb80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking rispreter-parser v0.1.0 (/opt/rustwide/workdir/rispreter-parser)
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]     Checking mortal v0.1.5
[INFO] [stderr]     Checking linefeed v0.5.4
[INFO] [stderr]     Checking rispreter-repl v0.0.6 (/opt/rustwide/workdir/rispreter-repl)
[INFO] [stdout] warning: field is never read: `deepness`
[INFO] [stdout]   --> rispreter-repl/src/lval/lval_env.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     deepness: RefCell<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deepness`
[INFO] [stdout]   --> rispreter-repl/src/lval/lval_env.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     deepness: RefCell<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2m 52s
[INFO] running `Command { std: "docker" "inspect" "8a8048c3c5650853575e797ddc8fa4522addf512813a73a701454fbeb56efb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8048c3c5650853575e797ddc8fa4522addf512813a73a701454fbeb56efb80", kill_on_drop: false }`
[INFO] [stdout] 8a8048c3c5650853575e797ddc8fa4522addf512813a73a701454fbeb56efb80