[INFO] fetching crate membase 0.2.1...
[INFO] testing membase-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate membase 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate membase 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate membase 0.2.1
[INFO] tweaked toml for crates.io crate membase 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate membase 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate membase 0.2.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.53.2
[INFO] [stderr]   Downloaded csv-core v0.1.12
[INFO] [stderr]   Downloaded csv v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10a06eade01270eaed7f7bbfd1e65fddee244f7e2ac51106727c9ee93638206f
[INFO] running `Command { std: "docker" "start" "-a" "10a06eade01270eaed7f7bbfd1e65fddee244f7e2ac51106727c9ee93638206f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a06eade01270eaed7f7bbfd1e65fddee244f7e2ac51106727c9ee93638206f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a06eade01270eaed7f7bbfd1e65fddee244f7e2ac51106727c9ee93638206f", kill_on_drop: false }`
[INFO] [stdout] 10a06eade01270eaed7f7bbfd1e65fddee244f7e2ac51106727c9ee93638206f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c92dd088f4b1d0ca31a2c6d60b3c23982f38929f34afae15fcbe921c93f6366f
[INFO] running `Command { std: "docker" "start" "-a" "c92dd088f4b1d0ca31a2c6d60b3c23982f38929f34afae15fcbe921c93f6366f", kill_on_drop: false }`
[INFO] [stderr]    Compiling membase v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]   --> src/advanced/huge_pages.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |         if let Ok(mut file) = File::open("/proc/meminfo") {
[INFO] [stdout]    |                               ^^^^ use of undeclared type `File`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  7 + use std::fs::File;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]   --> src/advanced/huge_pages.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if let Ok(mut file) = File::open("/proc/meminfo") {
[INFO] [stdout]    |                               ^^^^ use of undeclared type `File`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  7 + use std::fs::File;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]   --> src/advanced/huge_pages.rs:91:31
[INFO] [stdout]    |
[INFO] [stdout] 91 |         if let Ok(mut file) = File::open("/sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages") {
[INFO] [stdout]    |                               ^^^^ use of undeclared type `File`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  7 + use std::fs::File;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MAP_FIXED_NOREPLACE`, `MS_INVALIDATE`, and `c_int`
[INFO] [stdout]   --> src/platform/linux.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     c_int, c_void, mmap, munmap, msync, madvise, PROT_NONE, PROT_READ, PROT_WRITE, PROT_EXEC,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     MAP_SHARED, MAP_PRIVATE, MAP_ANONYMOUS, MAP_HUGETLB, MAP_HUGE_2MB, MAP_HUGE_1GB,
[INFO] [stdout] 11 |     MAP_STACK, MAP_POPULATE, MAP_FIXED_NOREPLACE, MS_ASYNC, MS_SYNC, MS_INVALIDATE,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::alignment`
[INFO] [stdout]   --> src/platform/linux.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::utils::alignment;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::linux::*`
[INFO] [stdout]   --> src/platform/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub use self::linux::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0023]: this pattern has 1 field, but the corresponding tuple variant has 2 fields
[INFO] [stdout]    --> src/platform/linux.rs:350:36
[INFO] [stdout]     |
[INFO] [stdout] 350 |             NumaPolicy::Interleave(nodes) => {
[INFO] [stdout]     |                                    ^^^^^ expected 2 fields, found 1
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/advanced/mod.rs:24:16
[INFO] [stdout]     |
[INFO] [stdout]  24 |     Interleave([u32; 4], usize),
[INFO] [stdout]     |                --------  ----- tuple variant has 2 fields
[INFO] [stdout]     |
[INFO] [stdout] help: use `_` to explicitly ignore each field
[INFO] [stdout]     |
[INFO] [stdout] 350 |             NumaPolicy::Interleave(nodes, _) => {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/advanced/huge_pages.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |             if file.read_to_string(&mut contents).is_ok() {
[INFO] [stdout]    |                ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/advanced/huge_pages.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if file.read_to_string(&mut contents).is_ok() {
[INFO] [stdout]    |                ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/advanced/huge_pages.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |             if file.read_to_string(&mut contents).is_ok() {
[INFO] [stdout]    |                ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0023, E0282, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0023`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `membase` (lib) due to 7 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c92dd088f4b1d0ca31a2c6d60b3c23982f38929f34afae15fcbe921c93f6366f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92dd088f4b1d0ca31a2c6d60b3c23982f38929f34afae15fcbe921c93f6366f", kill_on_drop: false }`
[INFO] [stdout] c92dd088f4b1d0ca31a2c6d60b3c23982f38929f34afae15fcbe921c93f6366f