[INFO] cloning repository https://github.com/ayrapetovai/binc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayrapetovai/binc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayrapetovai%2Fbinc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayrapetovai%2Fbinc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ce4e52228d78617398c345ca8b6822279a2a743
[INFO] checking ayrapetovai/binc against master#30840c53f414b753cb08f14620906572f88dda4b for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayrapetovai%2Fbinc" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayrapetovai/binc on toolchain 30840c53f414b753cb08f14620906572f88dda4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayrapetovai/binc
[INFO] finished tweaking git repo https://github.com/ayrapetovai/binc
[INFO] tweaked toml for git repo https://github.com/ayrapetovai/binc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ayrapetovai/binc 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" "+30840c53f414b753cb08f14620906572f88dda4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking ayrapetovai/binc against try#18fb860b8a8e7ca508746882328061d0fe352543 for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayrapetovai%2Fbinc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayrapetovai/binc on toolchain 18fb860b8a8e7ca508746882328061d0fe352543
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayrapetovai/binc
[INFO] finished tweaking git repo https://github.com/ayrapetovai/binc
[INFO] tweaked toml for git repo https://github.com/ayrapetovai/binc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ayrapetovai/binc 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" "+18fb860b8a8e7ca508746882328061d0fe352543" "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 fd-lock v2.0.0
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 323050ab1717df9007b999dc4543ed7804bac07ed1be3e6b2b6a14ff7baf61a3
[INFO] running `Command { std: "docker" "start" "-a" "323050ab1717df9007b999dc4543ed7804bac07ed1be3e6b2b6a14ff7baf61a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "323050ab1717df9007b999dc4543ed7804bac07ed1be3e6b2b6a14ff7baf61a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323050ab1717df9007b999dc4543ed7804bac07ed1be3e6b2b6a14ff7baf61a3", kill_on_drop: false }`
[INFO] [stdout] 323050ab1717df9007b999dc4543ed7804bac07ed1be3e6b2b6a14ff7baf61a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a72dc8b200b387678c43c1403137427c63638d99b358aff1adb99c29e8075c76
[INFO] running `Command { std: "docker" "start" "-a" "a72dc8b200b387678c43c1403137427c63638d99b358aff1adb99c29e8075c76", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking binc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     if (command_list.is_empty()) {
[INFO] [stdout]     |        ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 -     if (command_list.is_empty()) {
[INFO] [stdout] 140 +     if command_list.is_empty() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     if (command_list.is_empty()) {
[INFO] [stdout]     |        ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 -     if (command_list.is_empty()) {
[INFO] [stdout] 140 +     if command_list.is_empty() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Exponent`, `Fraction`, `Carry`, and `None` are never constructed
[INFO] [stdout]   --> src/syntax.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub enum NamedAccess {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 56 |     Exponent,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 57 |     Fraction,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 58 |     Carry,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 59 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedAccess` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NamedAccessSource` is never constructed
[INFO] [stdout]   --> src/syntax.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum LeftOperandSource {
[INFO] [stdout]    |          ----------------- variant in this enum
[INFO] [stdout] 64 |     RangeSource(BitsIndexRange),
[INFO] [stdout] 65 |     NamedAccessSource(NamedAccess),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LeftOperandSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NamedAccessSource` is never constructed
[INFO] [stdout]   --> src/syntax.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub enum RightOperandSource {
[INFO] [stdout]    |          ------------------ variant in this enum
[INFO] [stdout] 70 |     RangeSource(BitsIndexRange),
[INFO] [stdout] 71 |     NamedAccessSource(NamedAccess),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RightOperandSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Fixed` is never constructed
[INFO] [stdout]   --> src/buffer.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum BincBufferType {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Fixed,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BincBufferType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Exponent`, `Fraction`, `Carry`, and `None` are never constructed
[INFO] [stdout]   --> src/syntax.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub enum NamedAccess {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 56 |     Exponent,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 57 |     Fraction,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 58 |     Carry,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 59 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedAccess` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NamedAccessSource` is never constructed
[INFO] [stdout]   --> src/syntax.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum LeftOperandSource {
[INFO] [stdout]    |          ----------------- variant in this enum
[INFO] [stdout] 64 |     RangeSource(BitsIndexRange),
[INFO] [stdout] 65 |     NamedAccessSource(NamedAccess),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LeftOperandSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NamedAccessSource` is never constructed
[INFO] [stdout]   --> src/syntax.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub enum RightOperandSource {
[INFO] [stdout]    |          ------------------ variant in this enum
[INFO] [stdout] 70 |     RangeSource(BitsIndexRange),
[INFO] [stdout] 71 |     NamedAccessSource(NamedAccess),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RightOperandSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Fixed` is never constructed
[INFO] [stdout]   --> src/buffer.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum BincBufferType {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Fixed,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BincBufferType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "a72dc8b200b387678c43c1403137427c63638d99b358aff1adb99c29e8075c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a72dc8b200b387678c43c1403137427c63638d99b358aff1adb99c29e8075c76", kill_on_drop: false }`
[INFO] [stdout] a72dc8b200b387678c43c1403137427c63638d99b358aff1adb99c29e8075c76