[INFO] fetching crate discretionary_engine 1.0.0...
[INFO] checking discretionary_engine-1.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[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 cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded v_utils_macros v1.3.0
[INFO] [stderr]   Downloaded discretionary_engine_macros v0.1.1
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded prost v0.13.2
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] [stderr]   Downloaded v_utils v1.7.2
[INFO] [stderr]   Downloaded hyper-timeout v0.5.1
[INFO] [stderr]   Downloaded pest_generator v2.7.12
[INFO] [stderr]   Downloaded prost-derive v0.13.2
[INFO] [stderr]   Downloaded tonic v0.12.2
[INFO] [stderr]   Downloaded pest_derive v2.7.12
[INFO] [stderr]   Downloaded pest_meta v2.7.12
[INFO] [stderr]   Downloaded insta v1.40.0
[INFO] [stderr]   Downloaded pest v2.7.12
[INFO] [stderr]   Downloaded console-subscriber v0.4.0
[INFO] [stderr]   Downloaded config v0.14.0
[INFO] [stderr]   Downloaded prost-types v0.13.2
[INFO] [stderr]   Downloaded console-api v0.8.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e227b3d2f5c079bde07123c98f189cba6fb52be3bc903944ae249209ee0b35d
[INFO] running `Command { std: "docker" "start" "-a" "8e227b3d2f5c079bde07123c98f189cba6fb52be3bc903944ae249209ee0b35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e227b3d2f5c079bde07123c98f189cba6fb52be3bc903944ae249209ee0b35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e227b3d2f5c079bde07123c98f189cba6fb52be3bc903944ae249209ee0b35d", kill_on_drop: false }`
[INFO] [stdout] 8e227b3d2f5c079bde07123c98f189cba6fb52be3bc903944ae249209ee0b35d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4db15477b5b6750a244c04b24e01289e250be925dcf31db422778fe712a53dfb
[INFO] running `Command { std: "docker" "start" "-a" "4db15477b5b6750a244c04b24e01289e250be925dcf31db422778fe712a53dfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking once_cell v1.20.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode-ident` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` (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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `log` (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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cfg-if` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `futures-core` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `parking_lot_core` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `byteorder` (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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchr` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `bytes` (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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itoa` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `smallvec` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `pin-project-lite` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4db15477b5b6750a244c04b24e01289e250be925dcf31db422778fe712a53dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db15477b5b6750a244c04b24e01289e250be925dcf31db422778fe712a53dfb", kill_on_drop: false }`
[INFO] [stdout] 4db15477b5b6750a244c04b24e01289e250be925dcf31db422778fe712a53dfb