[INFO] cloning repository https://github.com/getChan/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/getChan/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgetChan%2Frust-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgetChan%2Frust-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1d7e40183cfd8a9a76c03567621f0da093d8804
[INFO] building getChan/rust-os against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgetChan%2Frust-os" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/getChan/rust-os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/getChan/rust-os
[INFO] tweaked toml for git repo https://github.com/getChan/rust-os written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/getChan/rust-os on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/getChan/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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.18
[INFO] [stderr]   Downloaded rustversion v1.0.7
[INFO] [stderr]   Downloaded x86_64 v0.14.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cf4c7dbfc0dc4768e9423667475990b34fa3dea35976a97c038fb2a31d0dae7
[INFO] running `Command { std: "docker" "start" "-a" "2cf4c7dbfc0dc4768e9423667475990b34fa3dea35976a97c038fb2a31d0dae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cf4c7dbfc0dc4768e9423667475990b34fa3dea35976a97c038fb2a31d0dae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf4c7dbfc0dc4768e9423667475990b34fa3dea35976a97c038fb2a31d0dae7", kill_on_drop: false }`
[INFO] [stdout] 2cf4c7dbfc0dc4768e9423667475990b34fa3dea35976a97c038fb2a31d0dae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75a4d0494258f90bd693e87730ff02b397a738aefeea464125e70d66d091835d
[INFO] running `Command { std: "docker" "start" "-a" "75a4d0494258f90bd693e87730ff02b397a738aefeea464125e70d66d091835d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling bootloader v0.9.22
[INFO] [stderr]    Compiling volatile v0.4.5
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling x86_64 v0.14.9
[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_64-0.14.9/src/addr.rs:343:51
[INFO] [stdout]     |
[INFO] [stdout] 343 |     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] 343 -     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 343 +     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_64-0.14.9/src/structures/paging/page.rs:272:51
[INFO] [stdout]     |
[INFO] [stdout] 272 |     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] 272 -     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 272 +     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `(usize, Option<usize>)` is not an iterator
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.9/src/structures/paging/page.rs:274:14
[INFO] [stdout]     |
[INFO] [stdout] 273 | /         Step::steps_between(&start.start_address, &end.start_address)
[INFO] [stdout] 274 | |             .map(|steps| steps / S::SIZE as usize)
[INFO] [stdout]     | |             -^^^ `(usize, Option<usize>)` is not an iterator
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `(usize, Option<usize>): Iterator`
[INFO] [stdout]             which is required by `&mut (usize, Option<usize>): Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "75a4d0494258f90bd693e87730ff02b397a738aefeea464125e70d66d091835d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a4d0494258f90bd693e87730ff02b397a738aefeea464125e70d66d091835d", kill_on_drop: false }`
[INFO] [stdout] 75a4d0494258f90bd693e87730ff02b397a738aefeea464125e70d66d091835d
