[INFO] cloning repository https://github.com/ePirat/streamreader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ePirat/streamreader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FePirat%2Fstreamreader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FePirat%2Fstreamreader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79b85596c8fdb9288e7098cfb8ac54f24bc45dab
[INFO] checking ePirat/streamreader against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FePirat%2Fstreamreader" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ePirat/streamreader
[INFO] finished tweaking git repo https://github.com/ePirat/streamreader
[INFO] tweaked toml for git repo https://github.com/ePirat/streamreader written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ePirat/streamreader on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ePirat/streamreader 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.2.17
[INFO] [stderr]   Downloaded bitreader v0.3.1
[INFO] [stderr]   Downloaded structopt v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3fa35fb4d190b6a32abc8f9c2d4934a9a9185c5042e95d3213f59e965a2b294
[INFO] running `Command { std: "docker" "start" "-a" "b3fa35fb4d190b6a32abc8f9c2d4934a9a9185c5042e95d3213f59e965a2b294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3fa35fb4d190b6a32abc8f9c2d4934a9a9185c5042e95d3213f59e965a2b294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fa35fb4d190b6a32abc8f9c2d4934a9a9185c5042e95d3213f59e965a2b294", kill_on_drop: false }`
[INFO] [stdout] b3fa35fb4d190b6a32abc8f9c2d4934a9a9185c5042e95d3213f59e965a2b294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3853c6c8a3e06acc5748f471fa717ecc69686c4d4916b272f852259e6c31278
[INFO] running `Command { std: "docker" "start" "-a" "b3853c6c8a3e06acc5748f471fa717ecc69686c4d4916b272f852259e6c31278", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitreader v0.3.1
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.17
[INFO] [stderr]     Checking structopt v0.2.17
[INFO] [stderr]     Checking streamreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_MAIN` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     AAC_MAIN = 1,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `AacMain`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_LC` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     AAC_LC = 2,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `AacLc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_SSR` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     AAC_SSR = 3,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `AacSsr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_LTP` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     AAC_LTP = 4,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `AacLtp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_MAIN` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     AAC_MAIN = 1,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `AacMain`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_LC` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     AAC_LC = 2,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `AacLc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_SSR` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     AAC_SSR = 3,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `AacSsr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_LTP` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     AAC_LTP = 4,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `AacLtp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_SCALABLE` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     AAC_SCALABLE = 6,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `AacScalable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TWIN_VQ` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     TWIN_VQ = 7,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `TwinVq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AAC_SCALABLE` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     AAC_SCALABLE = 6,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `AacScalable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TWIN_VQ` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     TWIN_VQ = 7,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `TwinVq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NULL` is never constructed
[INFO] [stdout]   --> src/main.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | enum MPEGAudioObjectType {
[INFO] [stdout]    |      ------------------- variant in this enum
[INFO] [stdout] 77 |     NULL = 0,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MPEGAudioObjectType` 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: fields `syncword` and `protection_absent` are never read
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct ADTSHeader {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 92 |     syncword: u16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 93 |     id: MPEGVersion,
[INFO] [stdout] 94 |     protection_absent: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NULL` is never constructed
[INFO] [stdout]   --> src/main.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | enum MPEGAudioObjectType {
[INFO] [stdout]    |      ------------------- variant in this enum
[INFO] [stdout] 77 |     NULL = 0,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MPEGAudioObjectType` 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: fields `syncword` and `protection_absent` are never read
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct ADTSHeader {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 92 |     syncword: u16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 93 |     id: MPEGVersion,
[INFO] [stdout] 94 |     protection_absent: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "b3853c6c8a3e06acc5748f471fa717ecc69686c4d4916b272f852259e6c31278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3853c6c8a3e06acc5748f471fa717ecc69686c4d4916b272f852259e6c31278", kill_on_drop: false }`
[INFO] [stdout] b3853c6c8a3e06acc5748f471fa717ecc69686c4d4916b272f852259e6c31278