[INFO] cloning repository https://github.com/ray33ee/gud_archive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ray33ee/gud_archive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Fgud_archive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Fgud_archive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8999bb0369e8cb336094eca8a9e5f6030392eec
[INFO] testing ray33ee/gud_archive against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray33ee%2Fgud_archive" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ray33ee/gud_archive on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ray33ee/gud_archive
[INFO] finished tweaking git repo https://github.com/ray33ee/gud_archive
[INFO] tweaked toml for git repo https://github.com/ray33ee/gud_archive written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/ray33ee/gud_archive already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de2544d0f03b8b3a6e1f311fef5eb643cd581dea31aed253f83f9da7fe3f498
[INFO] running `Command { std: "docker" "start" "-a" "1de2544d0f03b8b3a6e1f311fef5eb643cd581dea31aed253f83f9da7fe3f498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de2544d0f03b8b3a6e1f311fef5eb643cd581dea31aed253f83f9da7fe3f498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de2544d0f03b8b3a6e1f311fef5eb643cd581dea31aed253f83f9da7fe3f498", kill_on_drop: false }`
[INFO] [stdout] 1de2544d0f03b8b3a6e1f311fef5eb643cd581dea31aed253f83f9da7fe3f498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e8c75c339707daee303df8b859b4cdd31f1f578abee3182dee23d3afa39b233
[INFO] running `Command { std: "docker" "start" "-a" "5e8c75c339707daee303df8b859b4cdd31f1f578abee3182dee23d3afa39b233", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lzma-rs v0.1.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling gud_archive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_stream_len)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]  --> src/archive.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{File, OpenOptions, read};
[INFO] [stdout]   |                                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Take`
[INFO] [stdout]  --> src/archive.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{Read, Write, Seek, SeekFrom, Take};
[INFO] [stdout]   |                                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/archive.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gud_archive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5e8c75c339707daee303df8b859b4cdd31f1f578abee3182dee23d3afa39b233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8c75c339707daee303df8b859b4cdd31f1f578abee3182dee23d3afa39b233", kill_on_drop: false }`
[INFO] [stdout] 5e8c75c339707daee303df8b859b4cdd31f1f578abee3182dee23d3afa39b233
