[INFO] cloning repository https://github.com/darkwater/um [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darkwater/um" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fum", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fum'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 290006bff8a85d175e37e16f89eb0fa19b9114ad [INFO] checking darkwater/um against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fum" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/darkwater/um on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/darkwater/um [INFO] finished tweaking git repo https://github.com/darkwater/um [INFO] tweaked toml for git repo https://github.com/darkwater/um written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/darkwater/um already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd2abaa04c660847de1bba2625f820af642435f554b3aa6b76a5a8a2008ae944 [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" "cd2abaa04c660847de1bba2625f820af642435f554b3aa6b76a5a8a2008ae944", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd2abaa04c660847de1bba2625f820af642435f554b3aa6b76a5a8a2008ae944", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd2abaa04c660847de1bba2625f820af642435f554b3aa6b76a5a8a2008ae944", kill_on_drop: false }` [INFO] [stdout] cd2abaa04c660847de1bba2625f820af642435f554b3aa6b76a5a8a2008ae944 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] 94f10451ed6d14cd4710f2304528e7e686c1f1ef22c52184165aacea2ee9d2ef [INFO] running `Command { std: "docker" "start" "-a" "94f10451ed6d14cd4710f2304528e7e686c1f1ef22c52184165aacea2ee9d2ef", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking tokio-threadpool v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio v0.1.4 [INFO] [stderr] Checking um v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0437]: type `Ok` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | type Ok = Response<'a>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0437]: type `Error` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | type Error = &'static str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `into_result` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | / fn into_result(self) -> Result { [INFO] [stdout] 55 | | match self { [INFO] [stdout] 56 | | Response::Error(e) => Err(e), [INFO] [stdout] 57 | | r @ _ => Ok(r), [INFO] [stdout] 58 | | } [INFO] [stdout] 59 | | } [INFO] [stdout] | |_____^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `from_error` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | / fn from_error(v: Self::Error) -> Self { [INFO] [stdout] 62 | | Response::Error(v) [INFO] [stdout] 63 | | } [INFO] [stdout] | |_____^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `from_ok` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / fn from_ok(v: Self::Ok) -> Self { [INFO] [stdout] 66 | | v [INFO] [stdout] 67 | | } [INFO] [stdout] | |_____^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/client.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufMut` [INFO] [stdout] --> src/commandcodec.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use bytes::{BufMut, BytesMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Write` [INFO] [stdout] --> src/commandcodec.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io` [INFO] [stdout] --> src/server.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2' [INFO] [stdout] --> src/response.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Try; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #84277 for more information [INFO] [stdout] = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2' [INFO] [stdout] --> src/response.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | impl<'a> Try for Response<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #84277 for more information [INFO] [stdout] = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self` [INFO] [stdout] --> src/response.rs:54:42 [INFO] [stdout] | [INFO] [stdout] 54 | fn into_result(self) -> Result { [INFO] [stdout] | ^^ associated type `Ok` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Error` not found for `Self` [INFO] [stdout] --> src/response.rs:54:52 [INFO] [stdout] | [INFO] [stdout] 54 | fn into_result(self) -> Result { [INFO] [stdout] | ^^^^^ associated type `Error` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Error` not found for `Self` [INFO] [stdout] --> src/response.rs:61:28 [INFO] [stdout] | [INFO] [stdout] 61 | fn from_error(v: Self::Error) -> Self { [INFO] [stdout] | ^^^^^ associated type `Error` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self` [INFO] [stdout] --> src/response.rs:65:25 [INFO] [stdout] | [INFO] [stdout] 65 | fn from_ok(v: Self::Ok) -> Self { [INFO] [stdout] | ^^ associated type `Ok` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 11 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0220, E0407, E0437, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0220`. [INFO] [stdout] [INFO] [stderr] error: could not compile `um` [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[E0437]: type `Ok` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | type Ok = Response<'a>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0437]: type `Error` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | type Error = &'static str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `into_result` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | / fn into_result(self) -> Result { [INFO] [stdout] 55 | | match self { [INFO] [stdout] 56 | | Response::Error(e) => Err(e), [INFO] [stdout] 57 | | r @ _ => Ok(r), [INFO] [stdout] 58 | | } [INFO] [stdout] 59 | | } [INFO] [stdout] | |_____^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `from_error` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | / fn from_error(v: Self::Error) -> Self { [INFO] [stdout] 62 | | Response::Error(v) [INFO] [stdout] 63 | | } [INFO] [stdout] | |_____^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0407]: method `from_ok` is not a member of trait `Try` [INFO] [stdout] --> src/response.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / fn from_ok(v: Self::Ok) -> Self { [INFO] [stdout] 66 | | v [INFO] [stdout] 67 | | } [INFO] [stdout] | |_____^ not a member of trait `Try` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/client.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufMut` [INFO] [stdout] --> src/commandcodec.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use bytes::{BufMut, BytesMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Write` [INFO] [stdout] --> src/commandcodec.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/node.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io` [INFO] [stdout] --> src/server.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/server.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::io::prelude::*` [INFO] [stdout] --> src/server.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | use ::std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::net::TcpStream` [INFO] [stdout] --> src/server.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | use ::std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/value.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2' [INFO] [stdout] --> src/response.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Try; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #84277 for more information [INFO] [stdout] = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2' [INFO] [stdout] --> src/response.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | impl<'a> Try for Response<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #84277 for more information [INFO] [stdout] = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self` [INFO] [stdout] --> src/response.rs:54:42 [INFO] [stdout] | [INFO] [stdout] 54 | fn into_result(self) -> Result { [INFO] [stdout] | ^^ associated type `Ok` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Error` not found for `Self` [INFO] [stdout] --> src/response.rs:54:52 [INFO] [stdout] | [INFO] [stdout] 54 | fn into_result(self) -> Result { [INFO] [stdout] | ^^^^^ associated type `Error` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Error` not found for `Self` [INFO] [stdout] --> src/response.rs:61:28 [INFO] [stdout] | [INFO] [stdout] 61 | fn from_error(v: Self::Error) -> Self { [INFO] [stdout] | ^^^^^ associated type `Error` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self` [INFO] [stdout] --> src/response.rs:65:25 [INFO] [stdout] | [INFO] [stdout] 65 | fn from_ok(v: Self::Ok) -> Self { [INFO] [stdout] | ^^ associated type `Ok` not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 11 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0220, E0407, E0437, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0220`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "94f10451ed6d14cd4710f2304528e7e686c1f1ef22c52184165aacea2ee9d2ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94f10451ed6d14cd4710f2304528e7e686c1f1ef22c52184165aacea2ee9d2ef", kill_on_drop: false }` [INFO] [stdout] 94f10451ed6d14cd4710f2304528e7e686c1f1ef22c52184165aacea2ee9d2ef