[INFO] cloning repository https://github.com/kamek-pf/rcast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamek-pf/rcast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamek-pf%2Frcast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamek-pf%2Frcast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 166e4a1516b8d901bd03413befa8c2fd5c55dd5a
[INFO] checking kamek-pf/rcast against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamek-pf%2Frcast" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamek-pf/rcast on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamek-pf/rcast
[INFO] finished tweaking git repo https://github.com/kamek-pf/rcast
[INFO] tweaked toml for git repo https://github.com/kamek-pf/rcast written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kamek-pf/rcast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6fe321ea3d1911a5777ff8fe467bb0fdd7ae4da439b19c96c80ac0c811d3bdd
[INFO] running `Command { std: "docker" "start" "-a" "d6fe321ea3d1911a5777ff8fe467bb0fdd7ae4da439b19c96c80ac0c811d3bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6fe321ea3d1911a5777ff8fe467bb0fdd7ae4da439b19c96c80ac0c811d3bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6fe321ea3d1911a5777ff8fe467bb0fdd7ae4da439b19c96c80ac0c811d3bdd", kill_on_drop: false }`
[INFO] [stdout] d6fe321ea3d1911a5777ff8fe467bb0fdd7ae4da439b19c96c80ac0c811d3bdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57d7523eb04341537ef0bd4976a87b713275802080a99749ecb522c0dcb5042a
[INFO] running `Command { std: "docker" "start" "-a" "57d7523eb04341537ef0bd4976a87b713275802080a99749ecb522c0dcb5042a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cc v1.0.14
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking bitstream-io v0.6.5
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking dns-parser v0.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.6.3
[INFO] [stderr]     Checking matroska v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking librcast v0.1.0 (/opt/rustwide/workdir/librcast)
[INFO] [stdout] error[E0463]: can't find crate for `matroska`
[INFO] [stdout]  --> librcast/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate matroska;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `librcast`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "57d7523eb04341537ef0bd4976a87b713275802080a99749ecb522c0dcb5042a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d7523eb04341537ef0bd4976a87b713275802080a99749ecb522c0dcb5042a", kill_on_drop: false }`
[INFO] [stdout] 57d7523eb04341537ef0bd4976a87b713275802080a99749ecb522c0dcb5042a