[INFO] cloning repository https://github.com/gilcu2/hello_cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilcu2/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6a417b071622947dab633ba53d70b96ebb40850
[INFO] checking gilcu2/hello_cargo against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilcu2%2Fhello_cargo" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilcu2/hello_cargo on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilcu2/hello_cargo
[INFO] finished tweaking git repo https://github.com/gilcu2/hello_cargo
[INFO] tweaked toml for git repo https://github.com/gilcu2/hello_cargo written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/gilcu2/hello_cargo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vectors v0.3.0
[INFO] [stderr]   Downloaded rulinalg v0.3.7
[INFO] [stderr]   Downloaded rusty-machine v0.5.4
[INFO] [stderr]   Downloaded optimization v0.1.0
[INFO] [stderr]   Downloaded rspec v1.0.0-beta.4
[INFO] [stderr]   Downloaded vpsearch v1.3.5
[INFO] [stderr]   Downloaded ordered_iter v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbc98e35d0dcc8946e634f816efd39eb3b912ee2598715f2197c5c806c9a3ac1
[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" "bbc98e35d0dcc8946e634f816efd39eb3b912ee2598715f2197c5c806c9a3ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbc98e35d0dcc8946e634f816efd39eb3b912ee2598715f2197c5c806c9a3ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc98e35d0dcc8946e634f816efd39eb3b912ee2598715f2197c5c806c9a3ac1", kill_on_drop: false }`
[INFO] [stdout] bbc98e35d0dcc8946e634f816efd39eb3b912ee2598715f2197c5c806c9a3ac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51279379814d94ab2c8b5878dcf700a4e3a6f86f6c7b2b409420eab9b78c4192
[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" "51279379814d94ab2c8b5878dcf700a4e3a6f86f6c7b2b409420eab9b78c4192", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking vpsearch v1.3.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking ordered_iter v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking vectors v0.3.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking optimization v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stdout] error[E0277]: the trait bound `read_dir::DirEntry: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-fs-0.1.6/src/read_dir.rs:239:6
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl DirEntryExt for DirEntry {
[INFO] [stdout]     |      ^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `read_dir::DirEntry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-fs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "51279379814d94ab2c8b5878dcf700a4e3a6f86f6c7b2b409420eab9b78c4192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51279379814d94ab2c8b5878dcf700a4e3a6f86f6c7b2b409420eab9b78c4192", kill_on_drop: false }`
[INFO] [stdout] 51279379814d94ab2c8b5878dcf700a4e3a6f86f6c7b2b409420eab9b78c4192