[INFO] fetching crate os-core 0.2.0...
[INFO] testing os-core-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate os-core 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate os-core 0.2.0
[INFO] finished tweaking crates.io crate os-core 0.2.0
[INFO] tweaked toml for crates.io crate os-core 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate os-core 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c98620233f0395b1acf9770304273ab9c768bbd3f6646e2c03b6aaf8869c16f3
[INFO] running `Command { std: "docker" "start" "-a" "c98620233f0395b1acf9770304273ab9c768bbd3f6646e2c03b6aaf8869c16f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c98620233f0395b1acf9770304273ab9c768bbd3f6646e2c03b6aaf8869c16f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98620233f0395b1acf9770304273ab9c768bbd3f6646e2c03b6aaf8869c16f3", kill_on_drop: false }`
[INFO] [stdout] c98620233f0395b1acf9770304273ab9c768bbd3f6646e2c03b6aaf8869c16f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26e8097d61a841c12f4143a15120164383d87cd58fcaacf799f8622dd74a877a
[INFO] running `Command { std: "docker" "start" "-a" "26e8097d61a841c12f4143a15120164383d87cd58fcaacf799f8622dd74a877a", kill_on_drop: false }`
[INFO] [stderr]    Compiling os-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "26e8097d61a841c12f4143a15120164383d87cd58fcaacf799f8622dd74a877a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e8097d61a841c12f4143a15120164383d87cd58fcaacf799f8622dd74a877a", kill_on_drop: false }`
[INFO] [stdout] 26e8097d61a841c12f4143a15120164383d87cd58fcaacf799f8622dd74a877a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa332bcdd1149272a24a8c66e7201635887cd006028bf37a05e8a72b236b91d5
[INFO] running `Command { std: "docker" "start" "-a" "aa332bcdd1149272a24a8c66e7201635887cd006028bf37a05e8a72b236b91d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling os-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "aa332bcdd1149272a24a8c66e7201635887cd006028bf37a05e8a72b236b91d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa332bcdd1149272a24a8c66e7201635887cd006028bf37a05e8a72b236b91d5", kill_on_drop: false }`
[INFO] [stdout] aa332bcdd1149272a24a8c66e7201635887cd006028bf37a05e8a72b236b91d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa927136593f3086296c6c0e666efdfdf1f002d6da351589a0ba4dd66adab9b6
[INFO] running `Command { std: "docker" "start" "-a" "aa927136593f3086296c6c0e666efdfdf1f002d6da351589a0ba4dd66adab9b6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/os_core-d637c365bf5d827c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test unix::tests::test_sys_mmap_munmap ... ok
[INFO] [stdout] test unix::tests::test_sys_fork ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests os_core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - memory (line 15) ... FAILED
[INFO] [stdout] test src/unix/mod.rs - unix::sys_mmap (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - memory (line 15) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found keyword `use`
[INFO] [stdout]  --> src/lib.rs:17:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | Example
[INFO] [stdout]   |        - expected one of `!` or `::`
[INFO] [stdout] 2 | use os_core::{memory, release};
[INFO] [stdout]   | ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - memory (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "aa927136593f3086296c6c0e666efdfdf1f002d6da351589a0ba4dd66adab9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa927136593f3086296c6c0e666efdfdf1f002d6da351589a0ba4dd66adab9b6", kill_on_drop: false }`
[INFO] [stdout] aa927136593f3086296c6c0e666efdfdf1f002d6da351589a0ba4dd66adab9b6