[INFO] crate libmount-sys 0.1.0 is already in cache
[INFO] testing libmount-sys-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate libmount-sys 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libmount-sys 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmount-sys 0.1.0
[INFO] finished tweaking crates.io crate libmount-sys 0.1.0
[INFO] tweaked toml for crates.io crate libmount-sys 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6264545a812c62b6e227f2c67b65d57a8f5cfc3c87b91e858f5dcb8d210b820
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6264545a812c62b6e227f2c67b65d57a8f5cfc3c87b91e858f5dcb8d210b820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6264545a812c62b6e227f2c67b65d57a8f5cfc3c87b91e858f5dcb8d210b820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6264545a812c62b6e227f2c67b65d57a8f5cfc3c87b91e858f5dcb8d210b820", kill_on_drop: false }`
[INFO] [stdout] e6264545a812c62b6e227f2c67b65d57a8f5cfc3c87b91e858f5dcb8d210b820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbbe2c950668b0611b22150c05b6c45b9d21d81fe61231bc82f776b3718694f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dbbe2c950668b0611b22150c05b6c45b9d21d81fe61231bc82f776b3718694f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmount-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cdir`
[INFO] [stdout]  --> build.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let cdir = std::env::current_dir().unwrap();
[INFO] [stdout]   |       ^^^^ help: if this is intentional, prefix it with an underscore: `_cdir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "dbbe2c950668b0611b22150c05b6c45b9d21d81fe61231bc82f776b3718694f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbe2c950668b0611b22150c05b6c45b9d21d81fe61231bc82f776b3718694f4", kill_on_drop: false }`
[INFO] [stdout] dbbe2c950668b0611b22150c05b6c45b9d21d81fe61231bc82f776b3718694f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ea679b54259f22aef4fe1d2dcba72f8e3b62389fcd6fff225146cfb3b0b3f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2ea679b54259f22aef4fe1d2dcba72f8e3b62389fcd6fff225146cfb3b0b3f3", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cdir`
[INFO] [stdout]  --> build.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let cdir = std::env::current_dir().unwrap();
[INFO] [stdout]   |       ^^^^ help: if this is intentional, prefix it with an underscore: `_cdir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libmount-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "a2ea679b54259f22aef4fe1d2dcba72f8e3b62389fcd6fff225146cfb3b0b3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ea679b54259f22aef4fe1d2dcba72f8e3b62389fcd6fff225146cfb3b0b3f3", kill_on_drop: false }`
[INFO] [stdout] a2ea679b54259f22aef4fe1d2dcba72f8e3b62389fcd6fff225146cfb3b0b3f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1af0a7ad3e53cbe219e7d0a1904517b443fe87aeaf1e512d6174300f34aaa2e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1af0a7ad3e53cbe219e7d0a1904517b443fe87aeaf1e512d6174300f34aaa2e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> build.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cdir`
[INFO] [stderr]  --> build.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let cdir = std::env::current_dir().unwrap();
[INFO] [stderr]   |       ^^^^ help: if this is intentional, prefix it with an underscore: `_cdir`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libmount_sys-dacdb9ca0216e717
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test bindgen_test_layout__G_fpos64_t ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_cond_s ... ok
[INFO] [stdout] test bindgen_test_layout__G_fpos_t ... ok
[INFO] [stdout] test bindgen_test_layout___fsid_t ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_cond_s__bindgen_ty_2 ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_cond_s__bindgen_ty_2__bindgen_ty_1 ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_cond_s__bindgen_ty_1 ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_cond_s__bindgen_ty_1__bindgen_ty_1 ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_internal_slist ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_mutex_s ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_rwlock_arch_t ... ok
[INFO] [stdout] test bindgen_test_layout___pthread_internal_list ... ok
[INFO] [stdout] test bindgen_test_layout___va_list_tag ... ok
[INFO] [stdout] test bindgen_test_layout___mbstate_t ... ok
[INFO] [stdout] test bindgen_test_layout___mbstate_t__bindgen_ty_1 ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_attr_t ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_barrier_t ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_mutex_t ... ok
[INFO] [stdout] test bindgen_test_layout_fd_set ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_barrierattr_t ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_cond_t ... ok
[INFO] [stdout] test bindgen_test_layout_mntent ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_condattr_t ... ok
[INFO] [stdout] test bindgen_test_layout___sigset_t ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_rwlock_t ... ok
[INFO] [stdout] test bindgen_test_layout_libmnt_optmap ... ok
[INFO] [stdout] test bindgen_test_layout_winsize ... ok
[INFO] [stdout] test bindgen_test_layout_termio ... ok
[INFO] [stdout] test bindgen_test_layout_timeval ... ok
[INFO] [stdout] test bindgen_test_layout_timespec ... ok
[INFO] [stdout] test test_mnt_new_context ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_rwlockattr_t ... ok
[INFO] [stdout] test bindgen_test_layout_pthread_mutexattr_t ... ok
[INFO] [stdout] test bindgen_test_layout__IO_FILE ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libmount-sys
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1af0a7ad3e53cbe219e7d0a1904517b443fe87aeaf1e512d6174300f34aaa2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af0a7ad3e53cbe219e7d0a1904517b443fe87aeaf1e512d6174300f34aaa2e6", kill_on_drop: false }`
[INFO] [stdout] 1af0a7ad3e53cbe219e7d0a1904517b443fe87aeaf1e512d6174300f34aaa2e6