[INFO] cloning repository https://github.com/gremlin/rusty-pipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gremlin/rusty-pipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgremlin%2Frusty-pipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgremlin%2Frusty-pipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7842d6e7b17a11fa41804f76168c1954c1c893e
[INFO] checking gremlin/rusty-pipe against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgremlin%2Frusty-pipe" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gremlin/rusty-pipe on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gremlin/rusty-pipe
[INFO] finished tweaking git repo https://github.com/gremlin/rusty-pipe
[INFO] tweaked toml for git repo https://github.com/gremlin/rusty-pipe written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/gremlin/rusty-pipe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.10.0
[INFO] [stderr]   Downloaded snafu-derive v0.6.8
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded picky-asn1-der v0.2.4
[INFO] [stderr]   Downloaded rsa v0.2.0
[INFO] [stderr]   Downloaded systemstat v0.1.5
[INFO] [stderr]   Downloaded structopt-derive v0.4.10
[INFO] [stderr]   Downloaded snafu v0.6.8
[INFO] [stderr]   Downloaded oid v0.1.1
[INFO] [stderr]   Downloaded extend v0.1.2
[INFO] [stderr]   Downloaded hyperlocal v0.7.0
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded mio v0.7.0
[INFO] [stderr]   Downloaded picky v4.7.0
[INFO] [stderr]   Downloaded caps v0.3.4
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded ifaces v0.1.0
[INFO] [stderr]   Downloaded picky-asn1 v0.2.2
[INFO] [stderr]   Downloaded mockito v0.25.3
[INFO] [stderr]   Downloaded os_info v1.3.3
[INFO] [stderr]   Downloaded assert-json-diff v1.1.0
[INFO] [stderr]   Downloaded picky-asn1 v0.3.0
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.0
[INFO] [stderr]   Downloaded sysinfo v0.15.1
[INFO] [stderr]   Downloaded cargo-lock v4.0.1
[INFO] [stderr]   Downloaded gumdrop_derive v0.7.0
[INFO] [stderr]   Downloaded gumdrop v0.7.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.0
[INFO] [stderr]   Downloaded structopt v0.3.17
[INFO] [stderr]   Downloaded uom v0.26.0
[INFO] [stderr]   Downloaded heim-derive v0.0.9
[INFO] [stderr]   Downloaded flate2 v1.0.17
[INFO] [stderr]   Downloaded heim-runtime v0.0.5
[INFO] [stderr]   Downloaded args v2.2.0
[INFO] [stderr]   Downloaded macaddr v0.1.2
[INFO] [stderr]   Downloaded ntp v0.5.0
[INFO] [stderr]   Downloaded heim-sensors v0.0.4
[INFO] [stderr]   Downloaded heim-common v0.0.9
[INFO] [stderr]   Downloaded heim v0.0.9
[INFO] [stderr]   Downloaded heim-process v0.0.9
[INFO] [stderr]   Downloaded heim-disk v0.0.9
[INFO] [stderr]   Downloaded heim-net v0.0.9
[INFO] [stderr]   Downloaded heim-cpu v0.0.9
[INFO] [stderr]   Downloaded heim-memory v0.0.9
[INFO] [stderr]   Downloaded heim-virt v0.0.9
[INFO] [stderr]   Downloaded heim-host v0.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4168e691f915ed3ea26737a504e65780c4ac48510d3bce3ef42c928103ff5f1e
[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" "4168e691f915ed3ea26737a504e65780c4ac48510d3bce3ef42c928103ff5f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4168e691f915ed3ea26737a504e65780c4ac48510d3bce3ef42c928103ff5f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4168e691f915ed3ea26737a504e65780c4ac48510d3bce3ef42c928103ff5f1e", kill_on_drop: false }`
[INFO] [stdout] 4168e691f915ed3ea26737a504e65780c4ac48510d3bce3ef42c928103ff5f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddb46ebe220d47b9f77c59eefb3d0199f9b6c52797eb6b1fd6b3315f0886f2ea
[INFO] running `Command { std: "docker" "start" "-a" "ddb46ebe220d47b9f77c59eefb3d0199f9b6c52797eb6b1fd6b3315f0886f2ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling heim-common v0.0.9
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling heim-host v0.0.9
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling core-foundation-sys v0.7.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]    Compiling darwin-libproc-sys v0.1.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking macaddr v0.1.2
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]    Compiling winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling ntapi v0.3.4
[INFO] [stderr]    Compiling ipconfig v0.2.2
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling sysinfo v0.15.1
[INFO] [stderr]     Checking redox_syscall v0.1.57
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.57/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr] error: could not compile `redox_syscall`
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ddb46ebe220d47b9f77c59eefb3d0199f9b6c52797eb6b1fd6b3315f0886f2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb46ebe220d47b9f77c59eefb3d0199f9b6c52797eb6b1fd6b3315f0886f2ea", kill_on_drop: false }`
[INFO] [stdout] ddb46ebe220d47b9f77c59eefb3d0199f9b6c52797eb6b1fd6b3315f0886f2ea