[INFO] updating cached repository https://github.com/ityy/rust_study
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/ityy/rust_study
[INFO] [stderr]    5e5fbb5..2ab2e75  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ab2e752e9bd8dc9ad73c5fb00aae6f482068548
[INFO] checking ityy/rust_study against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_study" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ityy/rust_study on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ityy/rust_study
[INFO] finished tweaking git repo https://github.com/ityy/rust_study
[INFO] tweaked toml for git repo https://github.com/ityy/rust_study written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ityy/rust_study already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7980c56c4c7001d748e7fdd589d09dd106f3cc0b82ca5c09610546e9bf7356b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7980c56c4c7001d748e7fdd589d09dd106f3cc0b82ca5c09610546e9bf7356b2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]     Checking safemem v0.3.1
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.3.1
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[INFO] [stderr]    Compiling libc v0.2.60
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking tokio-timer v0.2.11
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[INFO] [stderr]    Compiling synstructure v0.10.2
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[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde v1.0.99
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[INFO] [stderr]     Checking rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `&dyn iii_type_system::t3_4_3_trait_abstract_type::Bar: iii_type_system::t3_4_3_trait_abstract_type::Bar` is not satisfied
[INFO] [stderr]   --> src/iii_type_system/t3_4_3_trait_abstract_type.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Box::new(t)
[INFO] [stderr]    |     ^^^^^^^^^^^ the trait `iii_type_system::t3_4_3_trait_abstract_type::Bar` is not implemented for `&dyn iii_type_system::t3_4_3_trait_abstract_type::Bar`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required for the cast to the object type `dyn iii_type_system::t3_4_3_trait_abstract_type::Bar`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rust_study`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `&dyn iii_type_system::t3_4_3_trait_abstract_type::Bar: iii_type_system::t3_4_3_trait_abstract_type::Bar` is not satisfied
[INFO] [stderr]   --> src/iii_type_system/t3_4_3_trait_abstract_type.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Box::new(t)
[INFO] [stderr]    |     ^^^^^^^^^^^ the trait `iii_type_system::t3_4_3_trait_abstract_type::Bar` is not implemented for `&dyn iii_type_system::t3_4_3_trait_abstract_type::Bar`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required for the cast to the object type `dyn iii_type_system::t3_4_3_trait_abstract_type::Bar`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rust_study`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7980c56c4c7001d748e7fdd589d09dd106f3cc0b82ca5c09610546e9bf7356b2"`
[INFO] running `"docker" "rm" "-f" "7980c56c4c7001d748e7fdd589d09dd106f3cc0b82ca5c09610546e9bf7356b2"`
[INFO] [stdout] 7980c56c4c7001d748e7fdd589d09dd106f3cc0b82ca5c09610546e9bf7356b2