[INFO] fetching crate aleo-std 0.1.18...
[INFO] checking aleo-std-0.1.18 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate aleo-std 0.1.18 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate aleo-std 0.1.18 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aleo-std 0.1.18
[INFO] finished tweaking crates.io crate aleo-std 0.1.18
[INFO] tweaked toml for crates.io crate aleo-std 0.1.18 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate aleo-std 0.1.18 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded toml v0.5.11
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded aleo-std-cpu v0.1.4
[INFO] [stderr]   Downloaded thiserror v1.0.38
[INFO] [stderr]   Downloaded aleo-std-timer v0.1.2
[INFO] [stderr]   Downloaded aleo-std-profiler v0.1.15
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded hashbrown v0.12.3
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded dirs-sys v0.3.7
[INFO] [stderr]   Downloaded aleo-std-storage v0.1.3
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.38
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded redox_users v0.4.3
[INFO] [stderr]   Downloaded aleo-std-time v0.1.2
[INFO] [stderr]   Downloaded aleo-std-timed v0.1.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b34364db5e9845e4480133c53a60cb175a3c50848cc9b4d9b1a0b71f390225fe
[INFO] running `Command { std: "docker" "start" "-a" "b34364db5e9845e4480133c53a60cb175a3c50848cc9b4d9b1a0b71f390225fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b34364db5e9845e4480133c53a60cb175a3c50848cc9b4d9b1a0b71f390225fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34364db5e9845e4480133c53a60cb175a3c50848cc9b4d9b1a0b71f390225fe", kill_on_drop: false }`
[INFO] [stdout] b34364db5e9845e4480133c53a60cb175a3c50848cc9b4d9b1a0b71f390225fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e25414563d32a5bd1afad82ee4248327f31a2efa1bfeb92d777dbd9aa11575a1
[INFO] running `Command { std: "docker" "start" "-a" "e25414563d32a5bd1afad82ee4248327f31a2efa1bfeb92d777dbd9aa11575a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking aleo-std-profiler v0.1.15
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aleo-std-timer v0.1.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e25414563d32a5bd1afad82ee4248327f31a2efa1bfeb92d777dbd9aa11575a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25414563d32a5bd1afad82ee4248327f31a2efa1bfeb92d777dbd9aa11575a1", kill_on_drop: false }`
[INFO] [stdout] e25414563d32a5bd1afad82ee4248327f31a2efa1bfeb92d777dbd9aa11575a1