[INFO] fetching crate mapr 0.8.0...
[INFO] testing mapr-0.8.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mapr 0.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mapr 0.8.0
[INFO] finished tweaking crates.io crate mapr 0.8.0
[INFO] tweaked toml for crates.io crate mapr 0.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mapr 0.8.0 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] crate crates.io crate mapr 0.8.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 53b9dbbc53d6c82c28a669856b072f9a8c6f2c4a5c3de88a2a42d803fec4b098
[INFO] running `Command { std: "docker" "start" "-a" "53b9dbbc53d6c82c28a669856b072f9a8c6f2c4a5c3de88a2a42d803fec4b098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53b9dbbc53d6c82c28a669856b072f9a8c6f2c4a5c3de88a2a42d803fec4b098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b9dbbc53d6c82c28a669856b072f9a8c6f2c4a5c3de88a2a42d803fec4b098", kill_on_drop: false }`
[INFO] [stdout] 53b9dbbc53d6c82c28a669856b072f9a8c6f2c4a5c3de88a2a42d803fec4b098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 381b6fb9001b0a0022f638678bdefb31d279748f267d28801fb79e007affeaf1
[INFO] running `Command { std: "docker" "start" "-a" "381b6fb9001b0a0022f638678bdefb31d279748f267d28801fb79e007affeaf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mapr v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "381b6fb9001b0a0022f638678bdefb31d279748f267d28801fb79e007affeaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381b6fb9001b0a0022f638678bdefb31d279748f267d28801fb79e007affeaf1", kill_on_drop: false }`
[INFO] [stdout] 381b6fb9001b0a0022f638678bdefb31d279748f267d28801fb79e007affeaf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ff78c0da6d482f2e4c1329a8cf0282d396111b633fd1d75f41f673c983ba309f
[INFO] running `Command { std: "docker" "start" "-a" "ff78c0da6d482f2e4c1329a8cf0282d396111b633fd1d75f41f673c983ba309f", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling mapr v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:952:13
[INFO] [stdout]     |
[INFO] [stdout] 952 |             &mmap[..];
[INFO] [stdout]     |             ^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 952 |             let _ = &mmap[..];
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "ff78c0da6d482f2e4c1329a8cf0282d396111b633fd1d75f41f673c983ba309f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff78c0da6d482f2e4c1329a8cf0282d396111b633fd1d75f41f673c983ba309f", kill_on_drop: false }`
[INFO] [stdout] ff78c0da6d482f2e4c1329a8cf0282d396111b633fd1d75f41f673c983ba309f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5fb3dfd2e5b3cd3ebba2da81887d302fea67634b62ddc24c3ddfb806ee8b81c9
[INFO] running `Command { std: "docker" "start" "-a" "5fb3dfd2e5b3cd3ebba2da81887d302fea67634b62ddc24c3ddfb806ee8b81c9", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lib.rs:952:13
[INFO] [stderr]     |
[INFO] [stderr] 952 |             &mmap[..];
[INFO] [stderr]     |             ^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 952 |             let _ = &mmap[..];
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mapr` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mapr-876b1748996e2dde)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::map_anon_zero_len ... ok
[INFO] [stdout] test test::jit_x86_anon ... ok
[INFO] [stdout] test test::index ... ok
[INFO] [stdout] test test::map_anon ... ok
[INFO] [stdout] test test::mprotect_anon ... ok
[INFO] [stdout] test test::sync_send ... ok
[INFO] [stdout] test test::map_empty_file ... ok
[INFO] [stdout] test test::map_copy ... ok
[INFO] [stdout] test test::file_write ... ok
[INFO] [stdout] test test::mprotect_copy ... ok
[INFO] [stdout] test test::jit_x86_file ... ok
[INFO] [stdout] test test::flush_range ... ok
[INFO] [stdout] test test::map_offset ... ok
[INFO] [stdout] test test::mprotect_file ... ok
[INFO] [stdout] test test::map_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mapr
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - MmapOptions::map_copy (line 275) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::make_read_only (line 633) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map (line 194) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_mut (line 237) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::new (line 55) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::flush (line 560) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::map_mut (line 514) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::stack (line 154) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::make_mut (line 397) ... ok
[INFO] [stdout] test src/lib.rs - Mmap (line 332) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::offset (line 85) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::len (line 113) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::map (line 364) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fb3dfd2e5b3cd3ebba2da81887d302fea67634b62ddc24c3ddfb806ee8b81c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb3dfd2e5b3cd3ebba2da81887d302fea67634b62ddc24c3ddfb806ee8b81c9", kill_on_drop: false }`
[INFO] [stdout] 5fb3dfd2e5b3cd3ebba2da81887d302fea67634b62ddc24c3ddfb806ee8b81c9