[INFO] cloning repository https://github.com/wmww/snap-out
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wmww/snap-out" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmww%2Fsnap-out", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmww%2Fsnap-out'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac51c2e1ede98925ff6d069f228abd72e9db2cb8
[INFO] checking wmww/snap-out against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmww%2Fsnap-out" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wmww/snap-out on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wmww/snap-out
[INFO] finished tweaking git repo https://github.com/wmww/snap-out
[INFO] tweaked toml for git repo https://github.com/wmww/snap-out written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4022b73994d0a499af23771c7e3c17c7d696a785578652ab949700d187ffd688
[INFO] running `Command { std: "docker" "start" "-a" "4022b73994d0a499af23771c7e3c17c7d696a785578652ab949700d187ffd688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4022b73994d0a499af23771c7e3c17c7d696a785578652ab949700d187ffd688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4022b73994d0a499af23771c7e3c17c7d696a785578652ab949700d187ffd688", kill_on_drop: false }`
[INFO] [stdout] 4022b73994d0a499af23771c7e3c17c7d696a785578652ab949700d187ffd688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906989b0c27428849935c6e26dcc3df30fc15ea587562685a583cdab12ff314d
[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" "906989b0c27428849935c6e26dcc3df30fc15ea587562685a583cdab12ff314d", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking procfs v0.5.4
[INFO] [stderr]     Checking snap-out v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/debug.rs:9:78
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_environment_info(manager: &mut manager::Manager) -> Result<String, Rc<Error>> {
[INFO] [stdout]   |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[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/debug.rs:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn dump_debugging_info(manager: &mut manager::Manager) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environments.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn detect(mut process: Box<process::Process>) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn process::Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environments.rs:24:75
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn detect(mut process: Box<process::Process>) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/manager.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | type GenericResult<T> = Result<Rc<T>, Rc<Error>>;
[INFO] [stdout]   |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/process.rs:9:47
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>>;
[INFO] [stdout]   |                                               ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/process.rs:9:62
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>>;
[INFO] [stdout]   |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:20:78
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn from_procfs_process(process: procfs::Process) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn myself() -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:31:62
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stdout]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/debug.rs:9:78
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_environment_info(manager: &mut manager::Manager) -> Result<String, Rc<Error>> {
[INFO] [stdout]   |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[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/debug.rs:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn dump_debugging_info(manager: &mut manager::Manager) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environments.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn detect(mut process: Box<process::Process>) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn process::Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environments.rs:24:75
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn detect(mut process: Box<process::Process>) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/manager.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | type GenericResult<T> = Result<Rc<T>, Rc<Error>>;
[INFO] [stdout]   |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/process.rs:9:47
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>>;
[INFO] [stdout]   |                                               ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/process.rs:9:62
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>>;
[INFO] [stdout]   |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:20:78
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn from_procfs_process(process: procfs::Process) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn myself() -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:31:62
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stdout]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:81:51
[INFO] [stdout]    |
[INFO] [stdout] 81 |         fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:81:66
[INFO] [stdout]    |
[INFO] [stdout] 81 |         fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stdout]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/process.rs:85:57
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 .map(|p| Box::new((**p).clone()) as Box<Process>))
[INFO] [stdout]    |                                                         ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/process.rs:132:18
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ) as Box<Process>);
[INFO] [stdout]     |                  ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/debug.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(e) => String::from(e.description()),
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/debug.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(e) => String::from(e.description()),
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.31s
[INFO] running `Command { std: "docker" "inspect" "906989b0c27428849935c6e26dcc3df30fc15ea587562685a583cdab12ff314d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906989b0c27428849935c6e26dcc3df30fc15ea587562685a583cdab12ff314d", kill_on_drop: false }`
[INFO] [stdout] 906989b0c27428849935c6e26dcc3df30fc15ea587562685a583cdab12ff314d