[INFO] fetching crate sys-mount 1.2.1...
[INFO] testing sys-mount-1.2.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate sys-mount 1.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sys-mount 1.2.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sys-mount 1.2.1
[INFO] finished tweaking crates.io crate sys-mount 1.2.1
[INFO] tweaked toml for crates.io crate sys-mount 1.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loopdev v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ac878f46b0da0f096d1fe981535e0736a0e6ffd8d5dfd510a93d25e67a94bc0
[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" "1ac878f46b0da0f096d1fe981535e0736a0e6ffd8d5dfd510a93d25e67a94bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ac878f46b0da0f096d1fe981535e0736a0e6ffd8d5dfd510a93d25e67a94bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac878f46b0da0f096d1fe981535e0736a0e6ffd8d5dfd510a93d25e67a94bc0", kill_on_drop: false }`
[INFO] [stdout] 1ac878f46b0da0f096d1fe981535e0736a0e6ffd8d5dfd510a93d25e67a94bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62a4bb2f6606cf805579f648181143cddcb42d0c1c13e64320a58f2759f9a0ae
[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" "62a4bb2f6606cf805579f648181143cddcb42d0c1c13e64320a58f2759f9a0ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling loopdev v0.2.1
[INFO] [stderr]    Compiling sys-mount v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/supported.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn nodev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/supported.rs:68:50
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn dev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "62a4bb2f6606cf805579f648181143cddcb42d0c1c13e64320a58f2759f9a0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a4bb2f6606cf805579f648181143cddcb42d0c1c13e64320a58f2759f9a0ae", kill_on_drop: false }`
[INFO] [stdout] 62a4bb2f6606cf805579f648181143cddcb42d0c1c13e64320a58f2759f9a0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d5396ded67a751d3325c47dbd0f68e4b3a3d847e316fda8553ad5bcb059b86
[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" "e8d5396ded67a751d3325c47dbd0f68e4b3a3d847e316fda8553ad5bcb059b86", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/supported.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn nodev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/supported.rs:68:50
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn dev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling sys-mount v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/supported.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn nodev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/supported.rs:68:50
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn dev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "e8d5396ded67a751d3325c47dbd0f68e4b3a3d847e316fda8553ad5bcb059b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d5396ded67a751d3325c47dbd0f68e4b3a3d847e316fda8553ad5bcb059b86", kill_on_drop: false }`
[INFO] [stdout] e8d5396ded67a751d3325c47dbd0f68e4b3a3d847e316fda8553ad5bcb059b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e42b7519fcb849a3e67eefd485c26bed4244e7e458178ed0c83ac4701bea5d1
[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" "4e42b7519fcb849a3e67eefd485c26bed4244e7e458178ed0c83ac4701bea5d1", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/supported.rs:54:52
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn nodev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/supported.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn dev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/supported.rs:54:52
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn nodev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/supported.rs:68:50
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn dev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sys_mount-503b9ffe91c41272
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sys-mount
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/umount.rs - umount::unmount (line 73) ... ok
[INFO] [stdout] test src/mount.rs - mount::Mount::new (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/supported.rs - supported::SupportedFilesystems::is_supported (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e42b7519fcb849a3e67eefd485c26bed4244e7e458178ed0c83ac4701bea5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e42b7519fcb849a3e67eefd485c26bed4244e7e458178ed0c83ac4701bea5d1", kill_on_drop: false }`
[INFO] [stdout] 4e42b7519fcb849a3e67eefd485c26bed4244e7e458178ed0c83ac4701bea5d1