[INFO] fetching crate mapr 0.8.0...
[INFO] testing mapr-0.8.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate mapr 0.8.0 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mapr 0.8.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32416379da04ca8ec300aaae94ce093e49107c263b09f10695d49beabcd25ab8
[INFO] running `Command { std: "docker" "start" "-a" "32416379da04ca8ec300aaae94ce093e49107c263b09f10695d49beabcd25ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32416379da04ca8ec300aaae94ce093e49107c263b09f10695d49beabcd25ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32416379da04ca8ec300aaae94ce093e49107c263b09f10695d49beabcd25ab8", kill_on_drop: false }`
[INFO] [stdout] 32416379da04ca8ec300aaae94ce093e49107c263b09f10695d49beabcd25ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6e58edacb1da86a082f091da84f7b76cc450881aaf50a8f0151013a0a396b623
[INFO] running `Command { std: "docker" "start" "-a" "6e58edacb1da86a082f091da84f7b76cc450881aaf50a8f0151013a0a396b623", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling mapr v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "6e58edacb1da86a082f091da84f7b76cc450881aaf50a8f0151013a0a396b623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e58edacb1da86a082f091da84f7b76cc450881aaf50a8f0151013a0a396b623", kill_on_drop: false }`
[INFO] [stdout] 6e58edacb1da86a082f091da84f7b76cc450881aaf50a8f0151013a0a396b623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 75ccf0ced31d546d1fa36289b0c64c9fa42dadb3eecf530db4d0a1169f1d3429
[INFO] running `Command { std: "docker" "start" "-a" "75ccf0ced31d546d1fa36289b0c64c9fa42dadb3eecf530db4d0a1169f1d3429", 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)]` 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 1.55s
[INFO] running `Command { std: "docker" "inspect" "75ccf0ced31d546d1fa36289b0c64c9fa42dadb3eecf530db4d0a1169f1d3429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ccf0ced31d546d1fa36289b0c64c9fa42dadb3eecf530db4d0a1169f1d3429", kill_on_drop: false }`
[INFO] [stdout] 75ccf0ced31d546d1fa36289b0c64c9fa42dadb3eecf530db4d0a1169f1d3429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9387432b57a02331fbe94588aac0f6253f2c966f48d16c38f05d04fbb2a20abf
[INFO] running `Command { std: "docker" "start" "-a" "9387432b57a02331fbe94588aac0f6253f2c966f48d16c38f05d04fbb2a20abf", 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)]` 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mapr-e555156252bea993)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::index ... ok
[INFO] [stdout] test test::jit_x86_anon ... ok
[INFO] [stdout] test test::map_anon_zero_len ... ok
[INFO] [stdout] test test::jit_x86_file ... ok
[INFO] [stdout] test test::map_copy ... ok
[INFO] [stdout] test test::map_empty_file ... ok
[INFO] [stdout] test test::map_file ... ok
[INFO] [stdout] test test::map_anon ... ok
[INFO] [stdout] test test::mprotect_anon ... ok
[INFO] [stdout] test test::file_write ... ok
[INFO] [stdout] test test::sync_send ... ok
[INFO] [stdout] test test::mprotect_copy ... ok
[INFO] [stdout] test test::map_offset ... ok
[INFO] [stdout] test test::flush_range ... ok
[INFO] [stdout] test test::mprotect_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9387432b57a02331fbe94588aac0f6253f2c966f48d16c38f05d04fbb2a20abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9387432b57a02331fbe94588aac0f6253f2c966f48d16c38f05d04fbb2a20abf", kill_on_drop: false }`
[INFO] [stdout] 9387432b57a02331fbe94588aac0f6253f2c966f48d16c38f05d04fbb2a20abf