[INFO] cloning repository https://github.com/keithnoguchi/rustbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keithnoguchi/rustbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Frustbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Frustbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8974b953c860c63b576ebe67715fd57150aeb341
[INFO] checking keithnoguchi/rustbox against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Frustbox" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keithnoguchi/rustbox on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keithnoguchi/rustbox
[INFO] finished tweaking git repo https://github.com/keithnoguchi/rustbox
[INFO] tweaked toml for git repo https://github.com/keithnoguchi/rustbox written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/keithnoguchi/rustbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d90b4dacc1fb951449ca353a411f53732c9d57b33b638092c0ac1b8060e0a84f
[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" "d90b4dacc1fb951449ca353a411f53732c9d57b33b638092c0ac1b8060e0a84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90b4dacc1fb951449ca353a411f53732c9d57b33b638092c0ac1b8060e0a84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90b4dacc1fb951449ca353a411f53732c9d57b33b638092c0ac1b8060e0a84f", kill_on_drop: false }`
[INFO] [stdout] d90b4dacc1fb951449ca353a411f53732c9d57b33b638092c0ac1b8060e0a84f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76edb26bcf98fde5c6d286043094e4f7356e33fd75abc07f4e96861a46104c84
[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" "76edb26bcf98fde5c6d286043094e4f7356e33fd75abc07f4e96861a46104c84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking actix-web-book v0.1.0 (/opt/rustwide/workdir/actix-web)
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling flatbuf-tutorial v0.1.0 (/opt/rustwide/workdir/flatbuf)
[INFO] [stderr]     Checking async-task-book v0.1.0 (/opt/rustwide/workdir/async-task)
[INFO] [stderr]     Checking embedded-book v0.1.0 (/opt/rustwide/workdir/embedded)
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking style-book v0.1.0 (/opt/rustwide/workdir/style)
[INFO] [stderr]     Checking list-book v0.1.0 (/opt/rustwide/workdir/list)
[INFO] [stderr]     Checking algorithm-book v0.1.0 (/opt/rustwide/workdir/algorithm)
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> list/src/second.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking mut_static v5.0.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr] error: failed to run custom build command for `flatbuf-tutorial v0.1.0 (/opt/rustwide/workdir/flatbuf)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/flatbuf-tutorial-e116a18c7d8d5413/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "76edb26bcf98fde5c6d286043094e4f7356e33fd75abc07f4e96861a46104c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76edb26bcf98fde5c6d286043094e4f7356e33fd75abc07f4e96861a46104c84", kill_on_drop: false }`
[INFO] [stdout] 76edb26bcf98fde5c6d286043094e4f7356e33fd75abc07f4e96861a46104c84