[INFO] cloning repository https://github.com/xTibor/fuse-softpatch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xTibor/fuse-softpatch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Ffuse-softpatch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Ffuse-softpatch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59d83a2b4d44dd6592bd4ab7290050dfa8df2e8e
[INFO] checking xTibor/fuse-softpatch against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Ffuse-softpatch" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xTibor/fuse-softpatch on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xTibor/fuse-softpatch
[INFO] finished tweaking git repo https://github.com/xTibor/fuse-softpatch
[INFO] tweaked toml for git repo https://github.com/xTibor/fuse-softpatch written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/xTibor/fuse-softpatch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e39018a1f8377a76a18ca2d1f6663686944a03c2d77df671cd003d0d30960ad8
[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" "e39018a1f8377a76a18ca2d1f6663686944a03c2d77df671cd003d0d30960ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e39018a1f8377a76a18ca2d1f6663686944a03c2d77df671cd003d0d30960ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39018a1f8377a76a18ca2d1f6663686944a03c2d77df671cd003d0d30960ad8", kill_on_drop: false }`
[INFO] [stdout] e39018a1f8377a76a18ca2d1f6663686944a03c2d77df671cd003d0d30960ad8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78cf3dad7a20b04ffc471b17db3927c2d9bb05403562d28469769ddfdda49d9d
[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" "78cf3dad7a20b04ffc471b17db3927c2d9bb05403562d28469769ddfdda49d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking fuse_mt v0.5.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[INFO] [stderr]     Checking num_enum v0.5.0
[INFO] [stderr]     Checking bps-fuse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'seek_stream_len'
[INFO] [stdout]    --> src/patch/bps.rs:190:62
[INFO] [stdout]     |
[INFO] [stdout] 190 |         while patch_cursor.stream_position()? < patch_cursor.stream_len()? {
[INFO] [stdout]     |                                                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #59359 <https://github.com/rust-lang/rust/issues/59359> for more information
[INFO] [stdout]     = help: add `#![feature(seek_stream_len)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'seek_stream_len'
[INFO] [stdout]    --> src/patch/bps.rs:190:62
[INFO] [stdout]     |
[INFO] [stdout] 190 |         while patch_cursor.stream_position()? < patch_cursor.stream_len()? {
[INFO] [stdout]     |                                                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #59359 <https://github.com/rust-lang/rust/issues/59359> for more information
[INFO] [stdout]     = help: add `#![feature(seek_stream_len)]` to the crate attributes to enable
[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 E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bps-fuse`
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "78cf3dad7a20b04ffc471b17db3927c2d9bb05403562d28469769ddfdda49d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cf3dad7a20b04ffc471b17db3927c2d9bb05403562d28469769ddfdda49d9d", kill_on_drop: false }`
[INFO] [stdout] 78cf3dad7a20b04ffc471b17db3927c2d9bb05403562d28469769ddfdda49d9d