[INFO] fetching crate discretionary_engine 1.0.0...
[INFO] testing discretionary_engine-1.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate discretionary_engine 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate discretionary_engine 1.0.0
[INFO] finished tweaking crates.io crate discretionary_engine 1.0.0
[INFO] tweaked toml for crates.io crate discretionary_engine 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate discretionary_engine 1.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate discretionary_engine 1.0.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-serde v0.1.3
[INFO] [stderr]   Downloaded v_utils_macros v1.3.0
[INFO] [stderr]   Downloaded tracing-log v0.1.4
[INFO] [stderr]   Downloaded v_utils v1.7.2
[INFO] [stderr]   Downloaded hyper-timeout v0.5.1
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.60
[INFO] [stderr]   Downloaded console v0.15.8
[INFO] [stderr]   Downloaded owo-colors v3.5.0
[INFO] [stderr]   Downloaded derive-new v0.6.0
[INFO] [stderr]   Downloaded clap v4.5.17
[INFO] [stderr]   Downloaded config v0.14.0
[INFO] [stderr]   Downloaded serde_with_macros v3.9.0
[INFO] [stderr]   Downloaded tungstenite v0.24.0
[INFO] [stderr]   Downloaded serde_with v3.9.0
[INFO] [stderr]   Downloaded tracing-bunyan-formatter v0.3.9
[INFO] [stderr]   Downloaded tokio-tungstenite v0.24.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.13
[INFO] [stderr]   Downloaded clap_builder v4.5.17
[INFO] [stderr]   Downloaded console-subscriber v0.4.0
[INFO] [stderr]   Downloaded color-spantrace v0.2.1
[INFO] [stderr]   Downloaded tonic v0.12.2
[INFO] [stderr]   Downloaded insta v1.40.0
[INFO] [stderr]   Downloaded color-eyre v0.6.3
[INFO] [stderr]   Downloaded once_cell v1.20.0
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] [stderr]   Downloaded rustls v0.23.13
[INFO] [stderr]   Downloaded h2 v0.4.6
[INFO] [stderr]   Downloaded prost-types v0.13.2
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded ordered-multimap v0.6.0
[INFO] [stderr]   Downloaded prost v0.13.2
[INFO] [stderr]   Downloaded discretionary_engine_macros v0.1.1
[INFO] [stderr]   Downloaded tracing-error v0.2.0
[INFO] [stderr]   Downloaded hyper-rustls v0.27.3
[INFO] [stderr]   Downloaded pathdiff v0.2.1
[INFO] [stderr]   Downloaded console-api v0.8.0
[INFO] [stderr]   Downloaded prost-derive v0.13.2
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded hyper-util v0.1.8
[INFO] [stderr]   Downloaded anyhow v1.0.89
[INFO] [stderr]   Downloaded rust-ini v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cd31747941f9c87e925f16c0ebdf8548cf0fecb03741675ff0e0f6efde43e46
[INFO] running `Command { std: "docker" "start" "-a" "7cd31747941f9c87e925f16c0ebdf8548cf0fecb03741675ff0e0f6efde43e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd31747941f9c87e925f16c0ebdf8548cf0fecb03741675ff0e0f6efde43e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd31747941f9c87e925f16c0ebdf8548cf0fecb03741675ff0e0f6efde43e46", kill_on_drop: false }`
[INFO] [stdout] 7cd31747941f9c87e925f16c0ebdf8548cf0fecb03741675ff0e0f6efde43e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fb678be12a3af7e1807c8430a45b97927e338f12084824c9aa405c646100c50
[INFO] running `Command { std: "docker" "start" "-a" "6fb678be12a3af7e1807c8430a45b97927e338f12084824c9aa405c646100c50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling once_cell v1.20.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libc` (build script) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode-ident` (lib) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cfg-if` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `once_cell` (lib) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `autocfg` (lib) due to 1 previous error
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchr` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6fb678be12a3af7e1807c8430a45b97927e338f12084824c9aa405c646100c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb678be12a3af7e1807c8430a45b97927e338f12084824c9aa405c646100c50", kill_on_drop: false }`
[INFO] [stdout] 6fb678be12a3af7e1807c8430a45b97927e338f12084824c9aa405c646100c50