[INFO] fetching crate pkgar 0.1.9...
[INFO] testing pkgar-0.1.9 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pkgar 0.1.9 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate pkgar 0.1.9 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pkgar 0.1.9
[INFO] finished tweaking crates.io crate pkgar 0.1.9
[INFO] tweaked toml for crates.io crate pkgar 0.1.9 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate pkgar 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkgar-core v0.1.0
[INFO] [stderr]   Downloaded pkgar-keys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c51969366f746ee88c05d25432020da20f2f07b26f8cbb9c5380ccfbe9256c7
[INFO] running `Command { std: "docker" "start" "-a" "3c51969366f746ee88c05d25432020da20f2f07b26f8cbb9c5380ccfbe9256c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c51969366f746ee88c05d25432020da20f2f07b26f8cbb9c5380ccfbe9256c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c51969366f746ee88c05d25432020da20f2f07b26f8cbb9c5380ccfbe9256c7", kill_on_drop: false }`
[INFO] [stdout] 3c51969366f746ee88c05d25432020da20f2f07b26f8cbb9c5380ccfbe9256c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b71c68e8aefadb6354b95ad0239495c2e72baa021ccaeb4f43610f31cb46f35e
[INFO] running `Command { std: "docker" "start" "-a" "b71c68e8aefadb6354b95ad0239495c2e72baa021ccaeb4f43610f31cb46f35e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling user-error v1.2.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling memsec v0.6.0
[INFO] [stderr]    Compiling seckey v0.11.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling sodiumoxide v0.2.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sodiumoxide-0.2.6/src/lib.rs:62:43
[INFO] [stdout]    |
[INFO] [stdout] 62 | #![cfg_attr(not(feature = "std"), feature(alloc))]
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sodiumoxide` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b71c68e8aefadb6354b95ad0239495c2e72baa021ccaeb4f43610f31cb46f35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71c68e8aefadb6354b95ad0239495c2e72baa021ccaeb4f43610f31cb46f35e", kill_on_drop: false }`
[INFO] [stdout] b71c68e8aefadb6354b95ad0239495c2e72baa021ccaeb4f43610f31cb46f35e