[INFO] cloning repository https://github.com/jswrenn/midiplex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jswrenn/midiplex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjswrenn%2Fmidiplex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjswrenn%2Fmidiplex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce9f509489dc620a778cc74f0a87f00b64aee7f6 [INFO] checking jswrenn/midiplex against master#fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6 for pr-120361 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjswrenn%2Fmidiplex" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jswrenn/midiplex on toolchain fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jswrenn/midiplex [INFO] finished tweaking git repo https://github.com/jswrenn/midiplex [INFO] tweaked toml for git repo https://github.com/jswrenn/midiplex written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jswrenn/midiplex already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking jswrenn/midiplex against try#e35e259478581c01033b8da67214c0d376859a32 for pr-120361 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjswrenn%2Fmidiplex" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jswrenn/midiplex on toolchain e35e259478581c01033b8da67214c0d376859a32 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jswrenn/midiplex [INFO] finished tweaking git repo https://github.com/jswrenn/midiplex [INFO] tweaked toml for git repo https://github.com/jswrenn/midiplex written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jswrenn/midiplex already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded atty v0.2.8 [INFO] [stderr] Downloaded structopt-derive v0.2.7 [INFO] [stderr] Downloaded alsa v0.2.0 [INFO] [stderr] Downloaded nix v0.9.0 [INFO] [stderr] Downloaded clap v2.31.2 [INFO] [stderr] Downloaded structopt v0.2.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3c5c3ebf2dd0708ac04792bbb8a0f5d395624e1b07d63124f43560ac0291f23 [INFO] running `Command { std: "docker" "start" "-a" "b3c5c3ebf2dd0708ac04792bbb8a0f5d395624e1b07d63124f43560ac0291f23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3c5c3ebf2dd0708ac04792bbb8a0f5d395624e1b07d63124f43560ac0291f23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3c5c3ebf2dd0708ac04792bbb8a0f5d395624e1b07d63124f43560ac0291f23", kill_on_drop: false }` [INFO] [stdout] b3c5c3ebf2dd0708ac04792bbb8a0f5d395624e1b07d63124f43560ac0291f23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83cc7742ac23f70b4fe90c68e4d3364111366e3cc99dc1cce7af58bfde90cc84 [INFO] running `Command { std: "docker" "start" "-a" "83cc7742ac23f70b4fe90c68e4d3364111366e3cc99dc1cce7af58bfde90cc84", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking indexmap v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling alsa-sys v0.1.1 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking alsa v0.2.0 [INFO] [stderr] Compiling structopt-derive v0.2.7 [INFO] [stderr] Checking structopt v0.2.7 [INFO] [stderr] Checking midiplex v0.6.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0463]: can't find crate for `alloc_system` [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate alloc_system; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `alloc_system` [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate alloc_system; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(attr_literals)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `alloc_system` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(alloc_system)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(attr_literals)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `alloc_system` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(alloc_system)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0463, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `midiplex` (bin "midiplex") due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0463, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `midiplex` (bin "midiplex" test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "83cc7742ac23f70b4fe90c68e4d3364111366e3cc99dc1cce7af58bfde90cc84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83cc7742ac23f70b4fe90c68e4d3364111366e3cc99dc1cce7af58bfde90cc84", kill_on_drop: false }` [INFO] [stdout] 83cc7742ac23f70b4fe90c68e4d3364111366e3cc99dc1cce7af58bfde90cc84