[INFO] cloning repository https://github.com/domenicquirl/cstree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domenicquirl/cstree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomenicquirl%2Fcstree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomenicquirl%2Fcstree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91b68c9a2358083c001579eb45aa06bd5d42f340
[INFO] checking domenicquirl/cstree against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomenicquirl%2Fcstree" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/domenicquirl/cstree on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/domenicquirl/cstree
[INFO] removed path dependency servo_arc from git repo https://github.com/domenicquirl/cstree
[INFO] finished tweaking git repo https://github.com/domenicquirl/cstree
[INFO] tweaked toml for git repo https://github.com/domenicquirl/cstree written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/domenicquirl/cstree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (servo_arc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (servo_arc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a598801357d1f0ace3ce2ae86912c7f3f3079dc0d80f99d829387a8081ba26b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a598801357d1f0ace3ce2ae86912c7f3f3079dc0d80f99d829387a8081ba26b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a598801357d1f0ace3ce2ae86912c7f3f3079dc0d80f99d829387a8081ba26b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a598801357d1f0ace3ce2ae86912c7f3f3079dc0d80f99d829387a8081ba26b1", kill_on_drop: false }`
[INFO] [stdout] a598801357d1f0ace3ce2ae86912c7f3f3079dc0d80f99d829387a8081ba26b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51191f0dd6ed18315594e101c0d0c50cee3627b2a9ff11f1f1b199eac4f4ebbc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51191f0dd6ed18315594e101c0d0c50cee3627b2a9ff11f1f1b199eac4f4ebbc", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (servo_arc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking lasso v0.4.1
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking m_lexer v0.0.4
[INFO] [stderr]     Checking cstree v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0624]: associated function `from_raw` is private
[INFO] [stdout]   --> src/green/token.rs:88:46
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let arc = ManuallyDrop::new(Arc::from_raw(ptr.as_ptr()));
[INFO] [stdout]    |                                              ^^^^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `from_raw` is private
[INFO] [stdout]    --> src/green/token.rs:117:18
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Arc::from_raw(Self::remove_tag(self.ptr).as_ptr());
[INFO] [stdout]     |                  ^^^^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cstree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0624]: associated function `from_raw` is private
[INFO] [stdout]   --> src/green/token.rs:88:46
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let arc = ManuallyDrop::new(Arc::from_raw(ptr.as_ptr()));
[INFO] [stdout]    |                                              ^^^^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `from_raw` is private
[INFO] [stdout]    --> src/green/token.rs:117:18
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Arc::from_raw(Self::remove_tag(self.ptr).as_ptr());
[INFO] [stdout]     |                  ^^^^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "51191f0dd6ed18315594e101c0d0c50cee3627b2a9ff11f1f1b199eac4f4ebbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51191f0dd6ed18315594e101c0d0c50cee3627b2a9ff11f1f1b199eac4f4ebbc", kill_on_drop: false }`
[INFO] [stdout] 51191f0dd6ed18315594e101c0d0c50cee3627b2a9ff11f1f1b199eac4f4ebbc