[INFO] cloning repository https://github.com/cayubweeums/coop_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cayubweeums/coop_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcayubweeums%2Fcoop_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcayubweeums%2Fcoop_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a86224e1d93dc664c19e832e714c869d348790a1
[INFO] checking cayubweeums/coop_os against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcayubweeums%2Fcoop_os" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cayubweeums/coop_os on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/cayubweeums/coop_os
[INFO] finished tweaking git repo https://github.com/cayubweeums/coop_os
[INFO] tweaked toml for git repo https://github.com/cayubweeums/coop_os written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cayubweeums/coop_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/gjf2a/bare_metal_modulo`
[INFO] [stderr]     Updating git repository `https://github.com/gjf2a/iter_state_machine`
[INFO] [stderr]     Updating git repository `https://github.com/gjf2a/pluggable_interrupt_os`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3546e8e3cc14352077aa8c3a0d8a38d843e1d1e45c6069effb65a4e8e02bc169
[INFO] running `Command { std: "docker" "start" "-a" "3546e8e3cc14352077aa8c3a0d8a38d843e1d1e45c6069effb65a4e8e02bc169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3546e8e3cc14352077aa8c3a0d8a38d843e1d1e45c6069effb65a4e8e02bc169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3546e8e3cc14352077aa8c3a0d8a38d843e1d1e45c6069effb65a4e8e02bc169", kill_on_drop: false }`
[INFO] [stdout] 3546e8e3cc14352077aa8c3a0d8a38d843e1d1e45c6069effb65a4e8e02bc169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 403d29d9db11b411c8bb55ccb25503f1dd0c630aca44c16d23033fb83b183588
[INFO] running `Command { std: "docker" "start" "-a" "403d29d9db11b411c8bb55ccb25503f1dd0c630aca44c16d23033fb83b183588", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.13.6
[INFO] [stderr]    Compiling bootloader v0.9.16
[INFO] [stderr]    Compiling x86_64 v0.12.4
[INFO] [stderr]     Checking cpuio v0.3.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.3.0/src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm, const_fn)]
[INFO] [stdout]   |                      ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpuio` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "403d29d9db11b411c8bb55ccb25503f1dd0c630aca44c16d23033fb83b183588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403d29d9db11b411c8bb55ccb25503f1dd0c630aca44c16d23033fb83b183588", kill_on_drop: false }`
[INFO] [stdout] 403d29d9db11b411c8bb55ccb25503f1dd0c630aca44c16d23033fb83b183588