[INFO] fetching crate olin 0.3.0...
[INFO] testing olin-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate olin 0.3.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate olin 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate olin 0.3.0
[INFO] finished tweaking crates.io crate olin 0.3.0
[INFO] tweaked toml for crates.io crate olin 0.3.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate olin 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded http v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e4d87c8464d841e87d1d1057b52041a387de4ae3973fe7e84b6203466a99ce5
[INFO] running `Command { std: "docker" "start" "-a" "4e4d87c8464d841e87d1d1057b52041a387de4ae3973fe7e84b6203466a99ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e4d87c8464d841e87d1d1057b52041a387de4ae3973fe7e84b6203466a99ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4d87c8464d841e87d1d1057b52041a387de4ae3973fe7e84b6203466a99ce5", kill_on_drop: false }`
[INFO] [stdout] 4e4d87c8464d841e87d1d1057b52041a387de4ae3973fe7e84b6203466a99ce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28fead31ab3e9db0478c32e44a0b774a290dcc02245ee41ce8249c221a67561d
[INFO] running `Command { std: "docker" "start" "-a" "28fead31ab3e9db0478c32e44a0b774a290dcc02245ee41ce8249c221a67561d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling http v0.1.12
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling olin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/magic_conch.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/olinfetch.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/allyourargs.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `olin` due to 2 previous errors
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/shaman.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/allyourlogs.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[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 E0554`.
[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 E0554`.
[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 E0554`.
[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 E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28fead31ab3e9db0478c32e44a0b774a290dcc02245ee41ce8249c221a67561d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fead31ab3e9db0478c32e44a0b774a290dcc02245ee41ce8249c221a67561d", kill_on_drop: false }`
[INFO] [stdout] 28fead31ab3e9db0478c32e44a0b774a290dcc02245ee41ce8249c221a67561d