[INFO] cloning repository https://github.com/stereoknife/nbt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stereoknife/nbt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstereoknife%2Fnbt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstereoknife%2Fnbt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c25d0608f83e6c0529bfe405e826eeebe688b0c4
[INFO] checking stereoknife/nbt against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstereoknife%2Fnbt" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stereoknife/nbt on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stereoknife/nbt
[INFO] finished tweaking git repo https://github.com/stereoknife/nbt
[INFO] tweaked toml for git repo https://github.com/stereoknife/nbt written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stereoknife/nbt 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" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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 stereoknife/nbt against try#0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstereoknife%2Fnbt" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stereoknife/nbt on toolchain 0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stereoknife/nbt
[INFO] finished tweaking git repo https://github.com/stereoknife/nbt
[INFO] tweaked toml for git repo https://github.com/stereoknife/nbt written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/stereoknife/nbt 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" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "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 compress v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c369843934f2b4978e1b9d17881a6895ebfa1c92412776b48ec3ed6e57e7846f
[INFO] running `Command { std: "docker" "start" "-a" "c369843934f2b4978e1b9d17881a6895ebfa1c92412776b48ec3ed6e57e7846f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c369843934f2b4978e1b9d17881a6895ebfa1c92412776b48ec3ed6e57e7846f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c369843934f2b4978e1b9d17881a6895ebfa1c92412776b48ec3ed6e57e7846f", kill_on_drop: false }`
[INFO] [stdout] c369843934f2b4978e1b9d17881a6895ebfa1c92412776b48ec3ed6e57e7846f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d875594167b8757d09d759a1d8d76ab3fed5e185e5187c383e847cd166a356fb
[INFO] running `Command { std: "docker" "start" "-a" "d875594167b8757d09d759a1d8d76ab3fed5e185e5187c383e847cd166a356fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking compress v0.2.1
[INFO] [stderr]     Checking nbt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `BYTE_TAG` is never used
[INFO] [stdout]  --> src/parser/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     static BYTE_TAG: &[u8] = &[
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHORT_TAG` is never used
[INFO] [stdout]   --> src/parser/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     static SHORT_TAG: &[u8] = &[
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `INT_TAG` is never used
[INFO] [stdout]   --> src/parser/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     static INT_TAG: &[u8] = &[
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `LONG_TAG` is never used
[INFO] [stdout]   --> src/parser/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     static LONG_TAG: &[u8] = &[
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BYTE_TAG` is never used
[INFO] [stdout]  --> src/parser/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     static BYTE_TAG: &[u8] = &[
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SHORT_TAG` is never used
[INFO] [stdout]   --> src/parser/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     static SHORT_TAG: &[u8] = &[
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `INT_TAG` is never used
[INFO] [stdout]   --> src/parser/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     static INT_TAG: &[u8] = &[
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `LONG_TAG` is never used
[INFO] [stdout]   --> src/parser/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     static LONG_TAG: &[u8] = &[
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` should have an upper case name
[INFO] [stdout]   --> src/parser/raw.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |     const s: [u8; 24] = [0x40, 0x09, 0x21, 0xff,
[INFO] [stdout]    |           ^ help: convert the identifier to upper case (notice the capitalization): `S`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LIST` should have a snake case name
[INFO] [stdout]    --> src/parser/payload.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let LIST: &[u8] = &[
[INFO] [stdout]     |             ^^^^ help: convert the identifier to snake case: `list`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "d875594167b8757d09d759a1d8d76ab3fed5e185e5187c383e847cd166a356fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d875594167b8757d09d759a1d8d76ab3fed5e185e5187c383e847cd166a356fb", kill_on_drop: false }`
[INFO] [stdout] d875594167b8757d09d759a1d8d76ab3fed5e185e5187c383e847cd166a356fb