[INFO] cloning repository https://github.com/nuclearfurnace/stream-vbyte
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nuclearfurnace/stream-vbyte" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuclearfurnace%2Fstream-vbyte", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuclearfurnace%2Fstream-vbyte'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cc0041292f057ac5899d7716da88221666b5b35
[INFO] checking nuclearfurnace/stream-vbyte against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuclearfurnace%2Fstream-vbyte" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nuclearfurnace/stream-vbyte on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nuclearfurnace/stream-vbyte
[INFO] finished tweaking git repo https://github.com/nuclearfurnace/stream-vbyte
[INFO] tweaked toml for git repo https://github.com/nuclearfurnace/stream-vbyte written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nuclearfurnace/stream-vbyte already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/stdsimd.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded textwrap v0.8.0
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded clap v2.26.2
[INFO] [stderr]   Downloaded byteorder v1.1.0
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89d6dd8e0c5609edfce6c943f52c5b8aa57790e89e7a00f987be5e301c0cd416
[INFO] running `Command { std: "docker" "start" "-a" "89d6dd8e0c5609edfce6c943f52c5b8aa57790e89e7a00f987be5e301c0cd416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89d6dd8e0c5609edfce6c943f52c5b8aa57790e89e7a00f987be5e301c0cd416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d6dd8e0c5609edfce6c943f52c5b8aa57790e89e7a00f987be5e301c0cd416", kill_on_drop: false }`
[INFO] [stdout] 89d6dd8e0c5609edfce6c943f52c5b8aa57790e89e7a00f987be5e301c0cd416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90abb5a8db3d3c5f7f2c523d2dd8ada9374a6af437ce5abee728e18b59c6a037
[INFO] running `Command { std: "docker" "start" "-a" "90abb5a8db3d3c5f7f2c523d2dd8ada9374a6af437ce5abee728e18b59c6a037", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking stream-vbyte v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/decode/mod.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     &buf[0..len].copy_from_slice(&input[0..len]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let _ = &buf[0..len].copy_from_slice(&input[0..len]);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> tests/cursor.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         'dec1: for initial_decode_len in 0..(count + 1) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> tests/cursor.rs:405:17
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 'dec2: for final_decode_len in 0..count {
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/decode/mod.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     &buf[0..len].copy_from_slice(&input[0..len]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let _ = &buf[0..len].copy_from_slice(&input[0..len]);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "90abb5a8db3d3c5f7f2c523d2dd8ada9374a6af437ce5abee728e18b59c6a037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90abb5a8db3d3c5f7f2c523d2dd8ada9374a6af437ce5abee728e18b59c6a037", kill_on_drop: false }`
[INFO] [stdout] 90abb5a8db3d3c5f7f2c523d2dd8ada9374a6af437ce5abee728e18b59c6a037