[INFO] fetching crate mount 0.4.0...
[INFO] testing mount-0.4.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mount 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mount 0.4.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mount 0.4.0
[INFO] finished tweaking crates.io crate mount 0.4.0
[INFO] tweaked toml for crates.io crate mount 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 396401e6634352c2420a7b73f21b8bea8c862b22fb8968004facf6418771d77f
[INFO] running `"docker" "start" "-a" "396401e6634352c2420a7b73f21b8bea8c862b22fb8968004facf6418771d77f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling mount v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     handler: Box<Handler>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[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/mount.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 |             handler: Box::new(handler) as Box<Handler>,
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'iron::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/mount.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.32s
[INFO] running `"docker" "inspect" "396401e6634352c2420a7b73f21b8bea8c862b22fb8968004facf6418771d77f"`
[INFO] running `"docker" "rm" "-f" "396401e6634352c2420a7b73f21b8bea8c862b22fb8968004facf6418771d77f"`
[INFO] [stdout] 396401e6634352c2420a7b73f21b8bea8c862b22fb8968004facf6418771d77f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93e35e5a069873fed4988fd87dbb0cf6076e1692eabcc92b19498f2bfda1c33b
[INFO] running `"docker" "start" "-a" "93e35e5a069873fed4988fd87dbb0cf6076e1692eabcc92b19498f2bfda1c33b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mount v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     handler: Box<Handler>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[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/mount.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 |             handler: Box::new(handler) as Box<Handler>,
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'iron::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/mount.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     handler: Box<Handler>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:3:24
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 |             handler: Box::new(handler) as Box<Handler>,
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'iron::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/mount.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:3:24
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `"docker" "inspect" "93e35e5a069873fed4988fd87dbb0cf6076e1692eabcc92b19498f2bfda1c33b"`
[INFO] running `"docker" "rm" "-f" "93e35e5a069873fed4988fd87dbb0cf6076e1692eabcc92b19498f2bfda1c33b"`
[INFO] [stdout] 93e35e5a069873fed4988fd87dbb0cf6076e1692eabcc92b19498f2bfda1c33b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c650c033a95e222edd7f682fdadafaef21551cf6b5b4c54d5c6fedc5a587748
[INFO] running `"docker" "start" "-a" "7c650c033a95e222edd7f682fdadafaef21551cf6b5b4c54d5c6fedc5a587748"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     handler: Box<Handler>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[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/mount.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 |             handler: Box::new(handler) as Box<Handler>,
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'iron::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/mount.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     handler: Box<Handler>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:3:24
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 |             handler: Box::new(handler) as Box<Handler>,
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'iron::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/mount.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:3:24
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mount-0b1b4e3ba4c7ec5a
[INFO] [stderr]    Doc-tests mount
[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] [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 `"docker" "inspect" "7c650c033a95e222edd7f682fdadafaef21551cf6b5b4c54d5c6fedc5a587748"`
[INFO] running `"docker" "rm" "-f" "7c650c033a95e222edd7f682fdadafaef21551cf6b5b4c54d5c6fedc5a587748"`
[INFO] [stdout] 7c650c033a95e222edd7f682fdadafaef21551cf6b5b4c54d5c6fedc5a587748