[INFO] fetching crate stretch2 0.4.3...
[INFO] checking stretch2-0.4.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate stretch2 0.4.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate stretch2 0.4.3
[INFO] finished tweaking crates.io crate stretch2 0.4.3
[INFO] tweaked toml for crates.io crate stretch2 0.4.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stretch2 0.4.3 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 stretch2 0.4.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v0.2.7
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.8
[INFO] [stderr]   Downloaded heapless v0.7.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 61fdb265c001e0eaa260e82ea78f90db6de7f10c6ffa7f4f0ac5a38ef87931cf
[INFO] running `Command { std: "docker" "start" "-a" "61fdb265c001e0eaa260e82ea78f90db6de7f10c6ffa7f4f0ac5a38ef87931cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fdb265c001e0eaa260e82ea78f90db6de7f10c6ffa7f4f0ac5a38ef87931cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fdb265c001e0eaa260e82ea78f90db6de7f10c6ffa7f4f0ac5a38ef87931cf", kill_on_drop: false }`
[INFO] [stdout] 61fdb265c001e0eaa260e82ea78f90db6de7f10c6ffa7f4f0ac5a38ef87931cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4c66dcdcc4858fb40f2a577e32fc5dfa270506f79a9753b0ad3ff95f3830baa6
[INFO] running `Command { std: "docker" "start" "-a" "4c66dcdcc4858fb40f2a577e32fc5dfa270506f79a9753b0ad3ff95f3830baa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling heapless v0.7.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling hash32-derive v0.1.1
[INFO] [stderr]     Checking stretch2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] error: couldn't read `benches/complex.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/generated/mod.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stretch2` (bench "generated") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `stretch2` (bench "complex") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4c66dcdcc4858fb40f2a577e32fc5dfa270506f79a9753b0ad3ff95f3830baa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c66dcdcc4858fb40f2a577e32fc5dfa270506f79a9753b0ad3ff95f3830baa6", kill_on_drop: false }`
[INFO] [stdout] 4c66dcdcc4858fb40f2a577e32fc5dfa270506f79a9753b0ad3ff95f3830baa6