[INFO] fetching crate ytree 0.1.33...
[INFO] checking ytree-0.1.33 against 1.95.0 for pr-155915
[INFO] extracting crate ytree 0.1.33 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ytree 0.1.33
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ytree 0.1.33
[INFO] tweaked toml for crates.io crate ytree 0.1.33 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ytree 0.1.33 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ytree 0.1.33 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xerr v0.1.15
[INFO] [stderr]   Downloaded lang v0.2.15
[INFO] [stderr]   Downloaded coarsetime v0.1.36
[INFO] [stderr]   Downloaded sts v0.1.23
[INFO] [stderr]   Downloaded tsfmt v0.1.10
[INFO] [stderr]   Downloaded vbyte v0.1.0
[INFO] [stderr]   Downloaded aok v0.1.17
[INFO] [stderr]   Downloaded int-enum v1.2.0
[INFO] [stderr]   Downloaded burl v0.1.5
[INFO] [stderr]   Downloaded intbin v0.2.3
[INFO] [stderr]   Downloaded index_of v0.1.1
[INFO] [stderr]   Downloaded vb v0.1.8
[INFO] [stderr]   Downloaded strum v0.27.1
[INFO] [stderr]   Downloaded const-str v0.6.2
[INFO] [stderr]   Downloaded strum_macros v0.27.1
[INFO] [stderr]   Downloaded wasix v0.12.21
[INFO] [stderr]   Downloaded roaring v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecee5c35cb66582371f998261931061f04b852a3fdabe4e46cbe9b1a58a80265
[INFO] running `Command { std: "docker" "start" "-a" "ecee5c35cb66582371f998261931061f04b852a3fdabe4e46cbe9b1a58a80265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecee5c35cb66582371f998261931061f04b852a3fdabe4e46cbe9b1a58a80265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecee5c35cb66582371f998261931061f04b852a3fdabe4e46cbe9b1a58a80265", kill_on_drop: false }`
[INFO] [stdout] ecee5c35cb66582371f998261931061f04b852a3fdabe4e46cbe9b1a58a80265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76e4723ea7c297d584aae93e493171f436eb0366f3aeeb1d308863a493afa0e
[INFO] running `Command { std: "docker" "start" "-a" "f76e4723ea7c297d584aae93e493171f436eb0366f3aeeb1d308863a493afa0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]     Checking tsfmt v0.1.10
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking aok v0.1.17
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking loginit v0.1.18
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking ytree v0.1.33 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_remainder)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ytree` (lib) due to 1 previous error
[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/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_remainder)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ytree` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f76e4723ea7c297d584aae93e493171f436eb0366f3aeeb1d308863a493afa0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76e4723ea7c297d584aae93e493171f436eb0366f3aeeb1d308863a493afa0e", kill_on_drop: false }`
[INFO] [stdout] f76e4723ea7c297d584aae93e493171f436eb0366f3aeeb1d308863a493afa0e
