[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] 0f5a0c71616cfbd55d4ee0f500526e122c980adf
[INFO] testing keithnoguchi/rustbox against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Frustbox" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/keithnoguchi/rustbox on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-26/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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 redis v0.17.0
[INFO] [stderr]   Downloaded tower-balance v0.3.0
[INFO] [stderr]   Downloaded tonic-build v0.1.1
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded tower-buffer v0.3.0
[INFO] [stderr]   Downloaded tower-timeout v0.3.0
[INFO] [stderr]   Downloaded mut_static v5.0.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded mio v0.7.5
[INFO] [stderr]   Downloaded flate2 v1.0.18
[INFO] [stderr]   Downloaded tower-load-shed v0.3.0
[INFO] [stderr]   Downloaded tower-util v0.3.1
[INFO] [stderr]   Downloaded tower-ready-cache v0.3.1
[INFO] [stderr]   Downloaded tracing-attributes v0.1.7
[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded tower-discover v0.3.0
[INFO] [stderr]   Downloaded async-io v1.1.10
[INFO] [stderr]   Downloaded combine v4.3.2
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded tower v0.3.1
[INFO] [stderr]   Downloaded tonic v0.1.1
[INFO] [stderr]   Downloaded tower-load v0.3.0
[INFO] [stderr]   Downloaded tower-make v0.3.0
[INFO] [stderr]   Downloaded tower-limit v0.3.1
[INFO] [stderr]   Downloaded tower-layer v0.3.0
[INFO] [stderr]   Downloaded tower-retry v0.3.0
[INFO] [stderr]   Downloaded async-std v1.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024be02979a6f0b391828815b52796a9548ff9dad56043f5a5fcc8020afcbe8d
[INFO] running `Command { std: "docker" "start" "-a" "024be02979a6f0b391828815b52796a9548ff9dad56043f5a5fcc8020afcbe8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024be02979a6f0b391828815b52796a9548ff9dad56043f5a5fcc8020afcbe8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024be02979a6f0b391828815b52796a9548ff9dad56043f5a5fcc8020afcbe8d", kill_on_drop: false }`
[INFO] [stdout] 024be02979a6f0b391828815b52796a9548ff9dad56043f5a5fcc8020afcbe8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6253539a3bce0940ed7e1d078c037216759c4118613d902d1c6addefb7d3fce5
[INFO] running `Command { std: "docker" "start" "-a" "6253539a3bce0940ed7e1d078c037216759c4118613d902d1c6addefb7d3fce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-sink v0.3.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling flatbuf-tutorial v0.1.0 (/opt/rustwide/workdir/flatbuf)
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling async-task-book v0.1.0 (/opt/rustwide/workdir/async-task)
[INFO] [stderr]    Compiling style-book v0.1.0 (/opt/rustwide/workdir/style)
[INFO] [stderr]    Compiling algorithm-book v0.1.0 (/opt/rustwide/workdir/algorithm)
[INFO] [stderr]    Compiling embedded-book v0.1.0 (/opt/rustwide/workdir/embedded)
[INFO] [stderr]    Compiling actix-web-book v0.1.0 (/opt/rustwide/workdir/actix-web)
[INFO] [stderr]    Compiling list-book v0.1.0 (/opt/rustwide/workdir/list)
[INFO] [stderr]    Compiling futures-channel v0.3.7
[INFO] [stderr]    Compiling futures-task v0.3.7
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling instant v0.1.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling mut_static v5.0.0
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling flatbuffers v0.6.1
[INFO] [stderr]    Compiling wasm-book v0.1.0 (/opt/rustwide/workdir/wasm)
[INFO] [stderr]    Compiling http v0.2.1
[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-0cb2729aaee2dd25/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" "6253539a3bce0940ed7e1d078c037216759c4118613d902d1c6addefb7d3fce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6253539a3bce0940ed7e1d078c037216759c4118613d902d1c6addefb7d3fce5", kill_on_drop: false }`
[INFO] [stdout] 6253539a3bce0940ed7e1d078c037216759c4118613d902d1c6addefb7d3fce5