[INFO] cloning repository https://github.com/oro-os/ktrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oro-os/ktrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foro-os%2Fktrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foro-os%2Fktrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4c5fe1a08759df7822ffba9fa20d190b37347f5
[INFO] checking oro-os/ktrace against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foro-os%2Fktrace" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/oro-os/ktrace
[INFO] finished tweaking git repo https://github.com/oro-os/ktrace
[INFO] tweaked toml for git repo https://github.com/oro-os/ktrace written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oro-os/ktrace 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 git repo https://github.com/oro-os/ktrace 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]  Downloading crates ...
[INFO] [stderr]   Downloaded qemu-plugin-sys v9.0.0-v0
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89bb921552dfb28499cf7ebebde6d20ead146cdbafc64000d76e6d892cbe101c
[INFO] running `Command { std: "docker" "start" "-a" "89bb921552dfb28499cf7ebebde6d20ead146cdbafc64000d76e6d892cbe101c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89bb921552dfb28499cf7ebebde6d20ead146cdbafc64000d76e6d892cbe101c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bb921552dfb28499cf7ebebde6d20ead146cdbafc64000d76e6d892cbe101c", kill_on_drop: false }`
[INFO] [stdout] 89bb921552dfb28499cf7ebebde6d20ead146cdbafc64000d76e6d892cbe101c
[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=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] 2b5596b7bd890f20adb9673ec53198e9a9cb1ebefcab3197c96e4ed8ed10e218
[INFO] running `Command { std: "docker" "start" "-a" "2b5596b7bd890f20adb9673ec53198e9a9cb1ebefcab3197c96e4ed8ed10e218", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
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[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling serde_derive v1.0.217
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[INFO] [stderr]    Compiling clap_derive v4.5.28
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[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking circular-buffer v1.0.0
[INFO] [stderr]     Checking qemu-plugin v9.0.0-v0
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking async-compression v0.4.18
[INFO] [stderr]     Checking tower v0.5.2
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[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ktrace-plugin v0.0.0 (/opt/rustwide/workdir/ktrace-plugin)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> ktrace-plugin/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(sync_unsafe_cell, ptr_as_ref_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_as_ref_unchecked` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ktrace-plugin/src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(sync_unsafe_cell, ptr_as_ref_unchecked)]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ktrace-plugin` (lib) due to 1 previous error; 1 warning emitted
[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]  --> ktrace-plugin/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(sync_unsafe_cell, ptr_as_ref_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_as_ref_unchecked` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ktrace-plugin/src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(sync_unsafe_cell, ptr_as_ref_unchecked)]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ktrace-plugin` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2b5596b7bd890f20adb9673ec53198e9a9cb1ebefcab3197c96e4ed8ed10e218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5596b7bd890f20adb9673ec53198e9a9cb1ebefcab3197c96e4ed8ed10e218", kill_on_drop: false }`
[INFO] [stdout] 2b5596b7bd890f20adb9673ec53198e9a9cb1ebefcab3197c96e4ed8ed10e218
