[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 try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fum" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/darkwater/um on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-13/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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 futures v0.1.20 [INFO] [stderr] Downloaded crossbeam-deque v0.3.0 [INFO] [stderr] Downloaded tokio-executor v0.1.1 [INFO] [stderr] Downloaded tokio-threadpool v0.1.1 [INFO] [stderr] Downloaded tokio v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 562fddcfa586173e6c334e2a61b9368368fe6b5c26fe3fa96745e0a101b757a8 [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" "562fddcfa586173e6c334e2a61b9368368fe6b5c26fe3fa96745e0a101b757a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "562fddcfa586173e6c334e2a61b9368368fe6b5c26fe3fa96745e0a101b757a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "562fddcfa586173e6c334e2a61b9368368fe6b5c26fe3fa96745e0a101b757a8", kill_on_drop: false }` [INFO] [stdout] 562fddcfa586173e6c334e2a61b9368368fe6b5c26fe3fa96745e0a101b757a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24f6789b4c22dc17baf197ea9aedd46d3f135b2f179e02dad19762c5c7794dad [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" "24f6789b4c22dc17baf197ea9aedd46d3f135b2f179e02dad19762c5c7794dad", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking futures v0.1.20 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazy_static v1.0.0 [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 arrayvec v0.4.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [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-executor v0.1.1 [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-udp v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio v0.1.4 [INFO] [stderr] Checking um v0.1.0 (/opt/rustwide/workdir) [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: ambiguous associated item [INFO] [stdout] --> src/response.rs:54:46 [INFO] [stdout] | [INFO] [stdout] 54 | fn into_result(self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as Try>::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(ambiguous_associated_items)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Error` could refer to the variant defined here [INFO] [stdout] --> src/response.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Error(&'static str), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `Error` could also refer to the associated type defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: ambiguous associated item [INFO] [stdout] --> src/response.rs:61:22 [INFO] [stdout] | [INFO] [stdout] 61 | fn from_error(v: Self::Error) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as Try>::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Error` could refer to the variant defined here [INFO] [stdout] --> src/response.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Error(&'static str), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `Error` could also refer to the associated type defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted [INFO] [stdout] [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] 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: ambiguous associated item [INFO] [stdout] --> src/response.rs:54:46 [INFO] [stdout] | [INFO] [stdout] 54 | fn into_result(self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as Try>::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(ambiguous_associated_items)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Error` could refer to the variant defined here [INFO] [stdout] --> src/response.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Error(&'static str), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `Error` could also refer to the associated type defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: ambiguous associated item [INFO] [stdout] --> src/response.rs:61:22 [INFO] [stdout] | [INFO] [stdout] 61 | fn from_error(v: Self::Error) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as Try>::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Error` could refer to the variant defined here [INFO] [stdout] --> src/response.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Error(&'static str), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `Error` could also refer to the associated type defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "24f6789b4c22dc17baf197ea9aedd46d3f135b2f179e02dad19762c5c7794dad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24f6789b4c22dc17baf197ea9aedd46d3f135b2f179e02dad19762c5c7794dad", kill_on_drop: false }` [INFO] [stdout] 24f6789b4c22dc17baf197ea9aedd46d3f135b2f179e02dad19762c5c7794dad