[INFO] fetching crate multitool 0.0.1...
[INFO] documenting multitool-0.0.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate multitool 0.0.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate multitool 0.0.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multitool 0.0.1
[INFO] finished tweaking crates.io crate multitool 0.0.1
[INFO] tweaked toml for crates.io crate multitool 0.0.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate multitool 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ead42044220b8daca5b6e92752d206dff41d3397113fff2b2a0cedd3d94d28e
[INFO] running `Command { std: "docker" "start" "-a" "3ead42044220b8daca5b6e92752d206dff41d3397113fff2b2a0cedd3d94d28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ead42044220b8daca5b6e92752d206dff41d3397113fff2b2a0cedd3d94d28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ead42044220b8daca5b6e92752d206dff41d3397113fff2b2a0cedd3d94d28e", kill_on_drop: false }`
[INFO] [stdout] 3ead42044220b8daca5b6e92752d206dff41d3397113fff2b2a0cedd3d94d28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f739dcbb3c24d4a4e95d58b8a48b1f94ba6ada04ad0487a4284e473201951c1
[INFO] running `Command { std: "docker" "start" "-a" "6f739dcbb3c24d4a4e95d58b8a48b1f94ba6ada04ad0487a4284e473201951c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking metacrate v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling sysinfo v0.20.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking typenum v1.13.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking typed-slab v0.1.4
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.28/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=a0576224a6d44445 -C extra-filename=-a0576224a6d44445 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-893a1d89efc86dd7.rmeta --cap-lints allow --cfg lexerror_display --cfg hygiene --cfg use_proc_macro --cfg wrap_proc_macro` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `encoding_rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name encoding_rs --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.8.28/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=273d2c5ab30884df -C extra-filename=-273d2c5ab30884df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dcce77079dd8fe1e.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6f739dcbb3c24d4a4e95d58b8a48b1f94ba6ada04ad0487a4284e473201951c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f739dcbb3c24d4a4e95d58b8a48b1f94ba6ada04ad0487a4284e473201951c1", kill_on_drop: false }`
[INFO] [stdout] 6f739dcbb3c24d4a4e95d58b8a48b1f94ba6ada04ad0487a4284e473201951c1