[INFO] cloning repository https://github.com/archer884/value_compressor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/value_compressor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fvalue_compressor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fvalue_compressor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcaf0aa4e748f6b59e1d1e4c8e50f631f38f91ca
[INFO] testing archer884/value_compressor against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fvalue_compressor" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/value_compressor on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archer884/value_compressor
[INFO] finished tweaking git repo https://github.com/archer884/value_compressor
[INFO] tweaked toml for git repo https://github.com/archer884/value_compressor written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/value_compressor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b138b5d8eac4e0e570b3bc2e1afbef6569a1bdca681011192d837f8892df984
[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" "8b138b5d8eac4e0e570b3bc2e1afbef6569a1bdca681011192d837f8892df984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b138b5d8eac4e0e570b3bc2e1afbef6569a1bdca681011192d837f8892df984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b138b5d8eac4e0e570b3bc2e1afbef6569a1bdca681011192d837f8892df984", kill_on_drop: false }`
[INFO] [stdout] 8b138b5d8eac4e0e570b3bc2e1afbef6569a1bdca681011192d837f8892df984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cb2a52f48ab6d127979b4b2d1516315d78adec039e2daa717c4b13e4f1e3c1d
[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" "5cb2a52f48ab6d127979b4b2d1516315d78adec039e2daa717c4b13e4f1e3c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling bzip2 v0.4.1
[INFO] [stderr]    Compiling value_compressor v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `bzip2::reader`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bzip2::reader::BzCompressor;
[INFO] [stdout]   |            ^^^^^^ could not find `reader` in `bzip2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `rand::distributions::IndependentSample`, `rand::distributions::Range`
[INFO] [stdout]  --> src/main.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::distributions::{IndependentSample, Range};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^ no `Range` in `distributions`
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           no `IndependentSample` in `distributions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `range` in `distributions`
[INFO] [stdout]   --> src/main.rs:70:48
[INFO] [stdout]    |
[INFO] [stdout] 70 |     where T: PartialOrd + rand::distributions::range::SampleRange
[INFO] [stdout]    |                                                ^^^^^ could not find `range` in `distributions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/main.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |             match File::create(&Path::new(if compress { "./compress.out" } else { "./uncompress.out" })) {
[INFO] [stdout]    |                                 ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Slice` in module `std::raw`
[INFO] [stdout]   --> src/main.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 76 |     std::mem::transmute(std::raw::Slice {
[INFO] [stdout]    |                                   ^^^^^ not found in `std::raw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]   --> src/main.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{BufWriter, Cursor, Write};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `value_compressor`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5cb2a52f48ab6d127979b4b2d1516315d78adec039e2daa717c4b13e4f1e3c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb2a52f48ab6d127979b4b2d1516315d78adec039e2daa717c4b13e4f1e3c1d", kill_on_drop: false }`
[INFO] [stdout] 5cb2a52f48ab6d127979b4b2d1516315d78adec039e2daa717c4b13e4f1e3c1d