[INFO] cloning repository https://github.com/Patapum/delaystderr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Patapum/delaystderr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatapum%2Fdelaystderr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatapum%2Fdelaystderr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f92d72c0c18222096e8bd72b03d961b154499efc [INFO] checking Patapum/delaystderr against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatapum%2Fdelaystderr" "/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/Patapum/delaystderr on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Patapum/delaystderr [INFO] finished tweaking git repo https://github.com/Patapum/delaystderr [INFO] tweaked toml for git repo https://github.com/Patapum/delaystderr written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/Patapum/delaystderr already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-io v0.2.1 [INFO] [stderr] Downloaded tokio v0.1.6 [INFO] [stderr] Downloaded futures-executor v0.2.1 [INFO] [stderr] Downloaded mio-uds v0.6.6 [INFO] [stderr] Downloaded futures-sink v0.2.1 [INFO] [stderr] Downloaded futures-util v0.2.1 [INFO] [stderr] Downloaded futures-stable v0.2.1 [INFO] [stderr] Downloaded tokio-signal v0.1.5 [INFO] [stderr] Downloaded tokio-process v0.1.6 [INFO] [stderr] Downloaded futures-channel v0.2.1 [INFO] [stderr] Downloaded futures-core v0.2.1 [INFO] [stderr] Downloaded socket2 v0.3.5 [INFO] [stderr] Downloaded futures v0.2.1 [INFO] [stderr] Downloaded miow v0.3.1 [INFO] [stderr] Downloaded tokio-fs v0.1.0 [INFO] [stderr] Downloaded tokio-threadpool v0.1.3 [INFO] [stderr] Downloaded tokio-timer v0.2.3 [INFO] [stderr] Downloaded futures-async-runtime v0.2.1 [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3d608a6d1849458e8b0954348942b75138d03e3cf8562ba786b52abea6b403b [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" "d3d608a6d1849458e8b0954348942b75138d03e3cf8562ba786b52abea6b403b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3d608a6d1849458e8b0954348942b75138d03e3cf8562ba786b52abea6b403b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3d608a6d1849458e8b0954348942b75138d03e3cf8562ba786b52abea6b403b", kill_on_drop: false }` [INFO] [stdout] d3d608a6d1849458e8b0954348942b75138d03e3cf8562ba786b52abea6b403b [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] d98975a00e9b4ca59288766a2e1eb759902cb4e4207c6f03d1b9d76e8ed9580d [INFO] running `Command { std: "docker" "start" "-a" "d98975a00e9b4ca59288766a2e1eb759902cb4e4207c6f03d1b9d76e8ed9580d", kill_on_drop: false }` [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking tokio-timer v0.2.3 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking bytes v0.4.7 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking futures-core v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking futures-channel v0.2.1 [INFO] [stderr] Checking futures-io v0.2.1 [INFO] [stderr] Checking tokio-threadpool v0.1.3 [INFO] [stderr] Checking futures-sink v0.2.1 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking futures-util v0.2.1 [INFO] [stderr] Checking mio-uds v0.6.6 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio v0.1.6 [INFO] [stderr] Checking futures-executor v0.2.1 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking futures-stable v0.2.1 [INFO] [stderr] Checking futures-async-runtime v0.2.1 [INFO] [stderr] Checking futures v0.2.1 [INFO] [stderr] Checking tokio-signal v0.1.5 [INFO] [stderr] Checking tokio-process v0.1.6 [INFO] [stderr] Checking delaystderr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(io)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(io)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `chars` found for mutable reference `&mut ChildStderr` in the current scope [INFO] [stdout] --> src/main.rs:26:46 [INFO] [stdout] | [INFO] [stdout] 26 | for char in cmd.stderr.as_mut().unwrap().chars() { [INFO] [stdout] | ^^^^^ method not found in `&mut ChildStderr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `delaystderr` [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[E0599]: no method named `chars` found for mutable reference `&mut ChildStderr` in the current scope [INFO] [stdout] --> src/main.rs:26:46 [INFO] [stdout] | [INFO] [stdout] 26 | for char in cmd.stderr.as_mut().unwrap().chars() { [INFO] [stdout] | ^^^^^ method not found in `&mut ChildStderr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d98975a00e9b4ca59288766a2e1eb759902cb4e4207c6f03d1b9d76e8ed9580d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d98975a00e9b4ca59288766a2e1eb759902cb4e4207c6f03d1b9d76e8ed9580d", kill_on_drop: false }` [INFO] [stdout] d98975a00e9b4ca59288766a2e1eb759902cb4e4207c6f03d1b9d76e8ed9580d