[INFO] fetching crate bigml 1.0.1...
[INFO] checking bigml-1.0.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate bigml 1.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bigml 1.0.1 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded url v2.4.0
[INFO] [stderr]   Downloaded form_urlencoded v1.2.0
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded unicode-bidi v0.3.13
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded iana-time-zone v0.1.57
[INFO] [stderr]   Downloaded bigml_derive v0.4.1
[INFO] [stderr]   Downloaded futures-macro v0.3.28
[INFO] [stderr]   Downloaded futures-sink v0.3.28
[INFO] [stderr]   Downloaded pin-project-internal v1.1.2
[INFO] [stderr]   Downloaded futures-executor v0.3.28
[INFO] [stderr]   Downloaded ipnet v2.8.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.10
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded http v0.2.9
[INFO] [stderr]   Downloaded security-framework v2.9.1
[INFO] [stderr]   Downloaded tokio-util v0.7.8
[INFO] [stderr]   Downloaded serde v1.0.171
[INFO] [stderr]   Downloaded rustls-webpki v0.101.1
[INFO] [stderr]   Downloaded aho-corasick v1.0.2
[INFO] [stderr]   Downloaded reqwest v0.11.18
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded h2 v0.3.20
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[INFO] [stderr]   Downloaded syn v2.0.25
[INFO] [stderr]   Downloaded serde_json v1.0.102
[INFO] [stderr]   Downloaded pin-project v1.1.2
[INFO] [stderr]   Downloaded serde_derive v1.0.171
[INFO] [stderr]   Downloaded proc-macro2 v1.0.64
[INFO] [stderr]   Downloaded futures v0.3.28
[INFO] [stderr]   Downloaded security-framework-sys v2.9.0
[INFO] [stderr]   Downloaded wasm-streams v0.2.3
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[INFO] [stderr]   Downloaded futures-channel v0.3.28
[INFO] [stderr]   Downloaded thiserror v1.0.43
[INFO] [stderr]   Downloaded hyper-rustls v0.24.1
[INFO] [stderr]   Downloaded schannel v0.1.22
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.3
[INFO] [stderr]   Downloaded regex-automata v0.3.3
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded thiserror-impl v1.0.43
[INFO] [stderr]   Downloaded windows-targets v0.48.1
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[INFO] [stderr]   Downloaded tokio v1.29.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea056292337ba14c86019f7210f064be916bb051dcf431bc7f59dc2487f5d299
[INFO] running `Command { std: "docker" "start" "-a" "ea056292337ba14c86019f7210f064be916bb051dcf431bc7f59dc2487f5d299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea056292337ba14c86019f7210f064be916bb051dcf431bc7f59dc2487f5d299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea056292337ba14c86019f7210f064be916bb051dcf431bc7f59dc2487f5d299", kill_on_drop: false }`
[INFO] [stdout] ea056292337ba14c86019f7210f064be916bb051dcf431bc7f59dc2487f5d299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d7dae80f4a2b47e0d92cc7c49778bf6ef8f9f5cc7d4feb4f1ab8aca58abca1a
[INFO] running `Command { std: "docker" "start" "-a" "4d7dae80f4a2b47e0d92cc7c49778bf6ef8f9f5cc7d4feb4f1ab8aca58abca1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling bigml_derive v0.4.1
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking rustls-webpki v0.101.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[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]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking 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 `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous 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 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4d7dae80f4a2b47e0d92cc7c49778bf6ef8f9f5cc7d4feb4f1ab8aca58abca1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7dae80f4a2b47e0d92cc7c49778bf6ef8f9f5cc7d4feb4f1ab8aca58abca1a", kill_on_drop: false }`
[INFO] [stdout] 4d7dae80f4a2b47e0d92cc7c49778bf6ef8f9f5cc7d4feb4f1ab8aca58abca1a