[INFO] cloning repository https://github.com/Darksonn/inspect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Darksonn/inspect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarksonn%2Finspect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarksonn%2Finspect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a20a360feae4d175054e7d1c7b186a6561388703
[INFO] testing Darksonn/inspect against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarksonn%2Finspect" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Darksonn/inspect
[INFO] finished tweaking git repo https://github.com/Darksonn/inspect
[INFO] tweaked toml for git repo https://github.com/Darksonn/inspect written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Darksonn/inspect on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Darksonn/inspect 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66096b45d25d3edc6f92337b88e0868c3b34588f709d625238a77d7f686ca12c
[INFO] running `Command { std: "docker" "start" "-a" "66096b45d25d3edc6f92337b88e0868c3b34588f709d625238a77d7f686ca12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66096b45d25d3edc6f92337b88e0868c3b34588f709d625238a77d7f686ca12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66096b45d25d3edc6f92337b88e0868c3b34588f709d625238a77d7f686ca12c", kill_on_drop: false }`
[INFO] [stdout] 66096b45d25d3edc6f92337b88e0868c3b34588f709d625238a77d7f686ca12c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf92461f2fb8d13fdcaa5455202163ff3d81aead74288ad473c575c60e47eebb
[INFO] running `Command { std: "docker" "start" "-a" "cf92461f2fb8d13fdcaa5455202163ff3d81aead74288ad473c575c60e47eebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling inspect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/base64.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{self, Write};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `F32` is named the same as one of the variants of the type `float::Kind`
[INFO] [stdout]   --> src/float.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             F32 => 4,
[INFO] [stdout]    |             ^^^ help: to match on the variant, qualify the path: `float::Kind::F32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `F64` is named the same as one of the variants of the type `float::Kind`
[INFO] [stdout]   --> src/float.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |             F64 => 8,
[INFO] [stdout]    |             ^^^ help: to match on the variant, qualify the path: `float::Kind::F64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/float.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             F32 => 4,
[INFO] [stdout]    |             --- matches any value
[INFO] [stdout] 11 |             F64 => 8,
[INFO] [stdout]    |             ^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `F32`
[INFO] [stdout]   --> src/float.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             F32 => 4,
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `F32`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             float::Kind::F32 => 4,
[INFO] [stdout]    |             +++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 10 |             _F32 => 4,
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `F64`
[INFO] [stdout]   --> src/float.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |             F64 => 8,
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `F64`
[INFO] [stdout]    |
[INFO] [stdout] 11 |             float::Kind::F64 => 8,
[INFO] [stdout]    |             +++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 11 |             _F64 => 8,
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `F32` is named the same as one of the variants of the type `float::Kind`
[INFO] [stdout]   --> src/float.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             F32 => {
[INFO] [stdout]    |             ^^^ help: to match on the variant, qualify the path: `float::Kind::F32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `F64` is named the same as one of the variants of the type `float::Kind`
[INFO] [stdout]   --> src/float.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             F64 => f64::from_bits(u64::from_be_bytes(bytes)),
[INFO] [stdout]    |             ^^^ help: to match on the variant, qualify the path: `float::Kind::F64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/float.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             F32 => {
[INFO] [stdout]    |             --- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 20 |             F64 => f64::from_bits(u64::from_be_bytes(bytes)),
[INFO] [stdout]    |             ^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `F32`
[INFO] [stdout]   --> src/float.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             F32 => {
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `F32`
[INFO] [stdout]    |
[INFO] [stdout] 16 |             float::Kind::F32 => {
[INFO] [stdout]    |             +++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 16 |             _F32 => {
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `F64`
[INFO] [stdout]   --> src/float.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             F64 => f64::from_bits(u64::from_be_bytes(bytes)),
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `F64`
[INFO] [stdout]    |
[INFO] [stdout] 20 |             float::Kind::F64 => f64::from_bits(u64::from_be_bytes(bytes)),
[INFO] [stdout]    |             +++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 20 |             _F64 => f64::from_bits(u64::from_be_bytes(bytes)),
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `output` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/float.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |         if let Err(e) = output.write_all(buffer.as_bytes()) {
[INFO] [stdout]    |                         ^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn format_float(kind: Kind, mut data: Box<dyn Read>, mut output: StdoutLock) -> Result<()> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0170, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inspect` (bin "inspect") due to 5 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cf92461f2fb8d13fdcaa5455202163ff3d81aead74288ad473c575c60e47eebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf92461f2fb8d13fdcaa5455202163ff3d81aead74288ad473c575c60e47eebb", kill_on_drop: false }`
[INFO] [stdout] cf92461f2fb8d13fdcaa5455202163ff3d81aead74288ad473c575c60e47eebb
