[INFO] fetching crate bigml 1.0.1...
[INFO] testing bigml-1.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate bigml 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate bigml 1.0.1
[INFO] finished tweaking crates.io crate bigml 1.0.1
[INFO] tweaked toml for crates.io crate bigml 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bigml 1.0.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bigml 1.0.1 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded url v2.4.0
[INFO] [stderr]   Downloaded smallvec v1.11.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.10
[INFO] [stderr]   Downloaded bigml_derive v0.4.1
[INFO] [stderr]   Downloaded futures-executor v0.3.28
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.3
[INFO] [stderr]   Downloaded hyper-rustls v0.24.1
[INFO] [stderr]   Downloaded ipnet v2.8.0
[INFO] [stderr]   Downloaded futures v0.3.28
[INFO] [stderr]   Downloaded serde_derive v1.0.171
[INFO] [stderr]   Downloaded serde v1.0.171
[INFO] [stderr]   Downloaded backtrace v0.3.68
[INFO] [stderr]   Downloaded pin-project v1.1.2
[INFO] [stderr]   Downloaded h2 v0.3.20
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded rustls-webpki v0.101.1
[INFO] [stderr]   Downloaded hyper v0.14.27
[INFO] [stderr]   Downloaded regex v1.9.1
[INFO] [stderr]   Downloaded object v0.31.1
[INFO] [stderr]   Downloaded rustls v0.21.5
[INFO] [stderr]   Downloaded gimli v0.27.3
[INFO] [stderr]   Downloaded syn v2.0.25
[INFO] [stderr]   Downloaded reqwest v0.11.18
[INFO] [stderr]   Downloaded serde_json v1.0.102
[INFO] [stderr]   Downloaded schannel v0.1.22
[INFO] [stderr]   Downloaded regex-syntax v0.7.4
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded thiserror v1.0.43
[INFO] [stderr]   Downloaded addr2line v0.20.0
[INFO] [stderr]   Downloaded pin-project-internal v1.1.2
[INFO] [stderr]   Downloaded futures-macro v0.3.28
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.37
[INFO] [stderr]   Downloaded hermit-abi v0.3.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.64
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.43
[INFO] [stderr]   Downloaded tracing-attributes v0.1.26
[INFO] [stderr]   Downloaded regex-automata v0.3.3
[INFO] [stderr]   Downloaded tokio v1.29.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 836acbd734157f0d75c0199f922e01e2b6f19f4140d22e86be1314bd61ad314e
[INFO] running `Command { std: "docker" "start" "-a" "836acbd734157f0d75c0199f922e01e2b6f19f4140d22e86be1314bd61ad314e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "836acbd734157f0d75c0199f922e01e2b6f19f4140d22e86be1314bd61ad314e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836acbd734157f0d75c0199f922e01e2b6f19f4140d22e86be1314bd61ad314e", kill_on_drop: false }`
[INFO] [stdout] 836acbd734157f0d75c0199f922e01e2b6f19f4140d22e86be1314bd61ad314e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 007b5ba02942186c9e917fe2b6e836f03a77ee365d112d7ec0331f0c95e740d5
[INFO] running `Command { std: "docker" "start" "-a" "007b5ba02942186c9e917fe2b6e836f03a77ee365d112d7ec0331f0c95e740d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling ipnet v2.8.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling bigml_derive v0.4.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.1
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling pin-project v1.1.2
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling h2 v0.3.20
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-rustls v0.24.1
[INFO] [stderr]    Compiling reqwest v0.11.18
[INFO] [stderr]    Compiling bigml v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.42s
[INFO] running `Command { std: "docker" "inspect" "007b5ba02942186c9e917fe2b6e836f03a77ee365d112d7ec0331f0c95e740d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007b5ba02942186c9e917fe2b6e836f03a77ee365d112d7ec0331f0c95e740d5", kill_on_drop: false }`
[INFO] [stdout] 007b5ba02942186c9e917fe2b6e836f03a77ee365d112d7ec0331f0c95e740d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 34ee3a9debbef1bc20a5abeed9c5a00777188ea50efd3d87d1d7d85f7f027c36
[INFO] running `Command { std: "docker" "start" "-a" "34ee3a9debbef1bc20a5abeed9c5a00777188ea50efd3d87d1d7d85f7f027c36", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling bigml v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `backtrace` found for struct `anyhow::Error` in the current scope
[INFO] [stdout]    --> examples/create_execution.rs:113:31
[INFO] [stdout]     |
[INFO] [stdout] 113 |         eprintln!("{:?}", err.backtrace());
[INFO] [stdout]     |                               ^^^^^^^^^ method not found in `anyhow::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bigml` (example "create_execution") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "34ee3a9debbef1bc20a5abeed9c5a00777188ea50efd3d87d1d7d85f7f027c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ee3a9debbef1bc20a5abeed9c5a00777188ea50efd3d87d1d7d85f7f027c36", kill_on_drop: false }`
[INFO] [stdout] 34ee3a9debbef1bc20a5abeed9c5a00777188ea50efd3d87d1d7d85f7f027c36