[INFO] cloning repository https://github.com/michaelmelanson/riscy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelmelanson/riscy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Friscy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Friscy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e81fa2638b941ede4e8823b054fb5678963dd984
[INFO] checking michaelmelanson/riscy against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Friscy" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelmelanson/riscy on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelmelanson/riscy
[INFO] finished tweaking git repo https://github.com/michaelmelanson/riscy
[INFO] tweaked toml for git repo https://github.com/michaelmelanson/riscy written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelmelanson/riscy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded simple_logger v1.6.0
[INFO] [stderr]   Downloaded paste-impl v0.1.9
[INFO] [stderr]   Downloaded paste v0.1.9
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded goblin v0.2.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.14
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14f0f6fadb2485d36d932f3032394a718e0634ec2f6a8a760b5a16d6a2595e98
[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" "14f0f6fadb2485d36d932f3032394a718e0634ec2f6a8a760b5a16d6a2595e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f0f6fadb2485d36d932f3032394a718e0634ec2f6a8a760b5a16d6a2595e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f0f6fadb2485d36d932f3032394a718e0634ec2f6a8a760b5a16d6a2595e98", kill_on_drop: false }`
[INFO] [stdout] 14f0f6fadb2485d36d932f3032394a718e0634ec2f6a8a760b5a16d6a2595e98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0126c276956f021af2c69a3b4594d23a22728e87707bd3074ead754b086e5b52
[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" "0126c276956f021af2c69a3b4594d23a22728e87707bd3074ead754b086e5b52", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking riscy-isa v0.1.0 (/opt/rustwide/workdir/isa)
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stdout] warning: the feature `leading_trailing_ones` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> isa/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(leading_trailing_ones)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `leading_trailing_ones` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> isa/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(leading_trailing_ones)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling paste-impl v0.1.9
[INFO] [stderr]     Checking paste v0.1.9
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.1
[INFO] [stderr]     Checking riscy-emulator v0.1.0 (/opt/rustwide/workdir/emulator)
[INFO] [stderr]     Checking riscy-disassembler v0.1.0 (/opt/rustwide/workdir/disassembler)
[INFO] [stderr]     Checking riscy-cosimulator v0.1.0 (/opt/rustwide/workdir/cosimulator)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.18s
[INFO] running `Command { std: "docker" "inspect" "0126c276956f021af2c69a3b4594d23a22728e87707bd3074ead754b086e5b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0126c276956f021af2c69a3b4594d23a22728e87707bd3074ead754b086e5b52", kill_on_drop: false }`
[INFO] [stdout] 0126c276956f021af2c69a3b4594d23a22728e87707bd3074ead754b086e5b52