[INFO] cloning repository https://github.com/SmalltalkLand/Smalltalk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SmalltalkLand/Smalltalk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmalltalkLand%2FSmalltalk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmalltalkLand%2FSmalltalk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 791d25520a8e3b3b059b69e5ffaedefd65e607d1
[INFO] checking SmalltalkLand/Smalltalk against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmalltalkLand%2FSmalltalk" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/SmalltalkLand/Smalltalk on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SmalltalkLand/Smalltalk
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/SmalltalkLand/Smalltalk
[INFO] tweaked toml for git repo https://github.com/SmalltalkLand/Smalltalk written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/SmalltalkLand/Smalltalk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: inOS
[INFO] [stderr] warning: unused manifest key: web
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pic8259_simple v0.2.0
[INFO] [stderr]   Downloaded cpuio v0.3.0
[INFO] [stderr]   Downloaded rmp-serde v0.14.3
[INFO] [stderr]   Downloaded uart_16550 v0.2.7
[INFO] [stderr]   Downloaded x86_64 v0.11.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.8.0
[INFO] [stderr]   Downloaded bootloader v0.9.3
[INFO] [stderr]   Downloaded type-operators v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85f5fabd453c883cb816fd2cfbb6c922743f6c5a84cb30232f7c060ab49464a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "85f5fabd453c883cb816fd2cfbb6c922743f6c5a84cb30232f7c060ab49464a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f5fabd453c883cb816fd2cfbb6c922743f6c5a84cb30232f7c060ab49464a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f5fabd453c883cb816fd2cfbb6c922743f6c5a84cb30232f7c060ab49464a1", kill_on_drop: false }`
[INFO] [stdout] 85f5fabd453c883cb816fd2cfbb6c922743f6c5a84cb30232f7c060ab49464a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2570c02da5f1f1656dc592f6d5d287d493baeb6cc178c8b47b3022232c933c93
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2570c02da5f1f1656dc592f6d5d287d493baeb6cc178c8b47b3022232c933c93", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: inOS
[INFO] [stderr] warning: unused manifest key: web
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling x86_64 v0.11.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bootloader v0.9.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking cpuio v0.3.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking pc-keyboard v0.5.0
[INFO] [stderr]     Checking type-operators v0.3.5
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.3.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm, const_fn)]
[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 `cpuio`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.3/src/lib.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "2570c02da5f1f1656dc592f6d5d287d493baeb6cc178c8b47b3022232c933c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2570c02da5f1f1656dc592f6d5d287d493baeb6cc178c8b47b3022232c933c93", kill_on_drop: false }`
[INFO] [stdout] 2570c02da5f1f1656dc592f6d5d287d493baeb6cc178c8b47b3022232c933c93
