[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] checking Darksonn/inspect/a20a360feae4d175054e7d1c7b186a6561388703 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarksonn%2Finspect" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Darksonn/inspect on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ed9f005d97517f607f1e8f48ce0e875bef4ce05061aa1062d2fc040f506f25
[INFO] running `Command { std: "docker" "start" "-a" "e6ed9f005d97517f607f1e8f48ce0e875bef4ce05061aa1062d2fc040f506f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ed9f005d97517f607f1e8f48ce0e875bef4ce05061aa1062d2fc040f506f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ed9f005d97517f607f1e8f48ce0e875bef4ce05061aa1062d2fc040f506f25", kill_on_drop: false }`
[INFO] [stdout] e6ed9f005d97517f607f1e8f48ce0e875bef4ce05061aa1062d2fc040f506f25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c615daef94079e635d8d2efe2d1cbb7bf5d74e329e4b7f95f8bf536f02e8cf2
[INFO] running `Command { std: "docker" "start" "-a" "4c615daef94079e635d8d2efe2d1cbb7bf5d74e329e4b7f95f8bf536f02e8cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking inspect v0.1.0 (/opt/rustwide/workdir)
[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] 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] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inspect` (bin "inspect") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `inspect` (bin "inspect" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4c615daef94079e635d8d2efe2d1cbb7bf5d74e329e4b7f95f8bf536f02e8cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c615daef94079e635d8d2efe2d1cbb7bf5d74e329e4b7f95f8bf536f02e8cf2", kill_on_drop: false }`
[INFO] [stdout] 4c615daef94079e635d8d2efe2d1cbb7bf5d74e329e4b7f95f8bf536f02e8cf2