[INFO] fetching crate euphony-command 0.1.1...
[INFO] fixing euphony-command-0.1.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate euphony-command 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate euphony-command 0.1.1
[INFO] finished tweaking crates.io crate euphony-command 0.1.1
[INFO] tweaked toml for crates.io crate euphony-command 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate euphony-command 0.1.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 97 packages to latest compatible versions
[INFO] [stderr]       Adding bach v0.0.6 (available: v0.1.2)
[INFO] [stderr]       Adding bolero v0.7.0 (available: v0.13.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty-hex v0.2.1
[INFO] [stderr]   Downloaded bolero-engine v0.7.0
[INFO] [stderr]   Downloaded libtest-mimic v0.3.0
[INFO] [stderr]   Downloaded bolero v0.7.0
[INFO] [stderr]   Downloaded bolero-libfuzzer v0.7.0
[INFO] [stderr]   Downloaded bolero-kani v0.7.0
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] [stderr]   Downloaded bach v0.0.6
[INFO] [stderr]   Downloaded bolero-generator v0.7.0
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded bolero-generator-derive v0.7.0
[INFO] [stderr]   Downloaded bolero-afl v0.7.0
[INFO] [stderr]   Downloaded bolero-honggfuzz v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4cbb5919cbf22731c9b0c33c0929511b3c739cc2635c84e1b54c2776f88a0288
[INFO] running `Command { std: "docker" "start" "4cbb5919cbf22731c9b0c33c0929511b3c739cc2635c84e1b54c2776f88a0288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4cbb5919cbf22731c9b0c33c0929511b3c739cc2635c84e1b54c2776f88a0288" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cbb5919cbf22731c9b0c33c0929511b3c739cc2635c84e1b54c2776f88a0288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4cbb5919cbf22731c9b0c33c0929511b3c739cc2635c84e1b54c2776f88a0288" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling bolero-generator-derive v0.7.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking bolero-generator v0.7.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking libtest-mimic v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking pin-project v1.1.13
[INFO] [stderr]     Checking bach v0.0.6
[INFO] [stderr]     Checking bolero-engine v0.7.0
[INFO] [stderr]     Checking euphony-command v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `write_u16` is never used
[INFO] [stdout]    --> src/lib.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | trait WriteExt {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] 146 |     fn write_u8(&mut self, value: u8) -> io::Result<()>;
[INFO] [stdout] 147 |     fn write_u16(&mut self, value: u16) -> io::Result<()>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_u16` is never used
[INFO] [stdout]    --> src/lib.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | trait ReadExt {
[INFO] [stdout]     |       ------- method in this trait
[INFO] [stdout] 179 |     fn read_u8(&mut self) -> io::Result<u8>;
[INFO] [stdout] 180 |     fn read_u16(&mut self) -> io::Result<u16>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bolero v0.7.0
[INFO] [stdout] warning: method `write_u16` is never used
[INFO] [stdout]    --> src/lib.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | trait WriteExt {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] 146 |     fn write_u8(&mut self, value: u8) -> io::Result<()>;
[INFO] [stdout] 147 |     fn write_u16(&mut self, value: u16) -> io::Result<()>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_u16` is never used
[INFO] [stdout]    --> src/lib.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | trait ReadExt {
[INFO] [stdout]     |       ------- method in this trait
[INFO] [stdout] 179 |     fn read_u8(&mut self) -> io::Result<u8>;
[INFO] [stdout] 180 |     fn read_u16(&mut self) -> io::Result<u16>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.01s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "4cbb5919cbf22731c9b0c33c0929511b3c739cc2635c84e1b54c2776f88a0288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbb5919cbf22731c9b0c33c0929511b3c739cc2635c84e1b54c2776f88a0288", kill_on_drop: false }`
[INFO] [stdout] 4cbb5919cbf22731c9b0c33c0929511b3c739cc2635c84e1b54c2776f88a0288
