[INFO] cloning repository https://github.com/gabriel-jm/rust_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabriel-jm/rust_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-jm%2Frust_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-jm%2Frust_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2726f65f924db59477e8bb17e873eed31991f6b6
[INFO] checking gabriel-jm/rust_os against try#654bc80249a2b2ba8bd16392b5829d87ed96c92d for pr-136458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-jm%2Frust_os" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gabriel-jm/rust_os on toolchain 654bc80249a2b2ba8bd16392b5829d87ed96c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/gabriel-jm/rust_os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/gabriel-jm/rust_os
[INFO] tweaked toml for git repo https://github.com/gabriel-jm/rust_os written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gabriel-jm/rust_os 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" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 763d91494078ee8cd911b8f85cf8b943fc3687b4d5b1fb2e8da95c0ec2040217
[INFO] running `Command { std: "docker" "start" "-a" "763d91494078ee8cd911b8f85cf8b943fc3687b4d5b1fb2e8da95c0ec2040217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763d91494078ee8cd911b8f85cf8b943fc3687b4d5b1fb2e8da95c0ec2040217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763d91494078ee8cd911b8f85cf8b943fc3687b4d5b1fb2e8da95c0ec2040217", kill_on_drop: false }`
[INFO] [stdout] 763d91494078ee8cd911b8f85cf8b943fc3687b4d5b1fb2e8da95c0ec2040217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fae973beea3bf50cc6fe0c75e0256ba6724691bdccc21934002724a47e7644b
[INFO] running `Command { std: "docker" "start" "-a" "9fae973beea3bf50cc6fe0c75e0256ba6724691bdccc21934002724a47e7644b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking x86_64 v0.14.12
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.12/src/addr.rs:382:51
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^ expected `(usize, Option<usize>)`, found `Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> (usize, Option<usize>)`
[INFO] [stdout]                found signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
[INFO] [stdout]     |                                                   ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.12/src/structures/paging/page.rs:282:51
[INFO] [stdout]     |
[INFO] [stdout] 282 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^ expected `(usize, Option<usize>)`, found `Option<usize>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `fn(&Page<_>, &Page<_>) -> (usize, Option<usize>)`
[INFO] [stdout]                found signature `fn(&Page<_>, &Page<_>) -> Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]     |
[INFO] [stdout] 282 |     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
[INFO] [stdout]     |                                                   ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9fae973beea3bf50cc6fe0c75e0256ba6724691bdccc21934002724a47e7644b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fae973beea3bf50cc6fe0c75e0256ba6724691bdccc21934002724a47e7644b", kill_on_drop: false }`
[INFO] [stdout] 9fae973beea3bf50cc6fe0c75e0256ba6724691bdccc21934002724a47e7644b