[INFO] crate serde_json_v8 0.0.1 is already in cache
[INFO] testing serde_json_v8-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate serde_json_v8 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate serde_json_v8 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde_json_v8 0.0.1
[INFO] finished tweaking crates.io crate serde_json_v8 0.0.1
[INFO] tweaked toml for crates.io crate serde_json_v8 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_stacker v0.1.3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] f7dc009ca9a42ee1165c5dae8595da2f638a7e423bf9cbb4b86c2802c5f5b6d5
[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" "f7dc009ca9a42ee1165c5dae8595da2f638a7e423bf9cbb4b86c2802c5f5b6d5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling serde_json_v8 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "f7dc009ca9a42ee1165c5dae8595da2f638a7e423bf9cbb4b86c2802c5f5b6d5"`
[INFO] running `"docker" "rm" "-f" "f7dc009ca9a42ee1165c5dae8595da2f638a7e423bf9cbb4b86c2802c5f5b6d5"`
[INFO] [stdout] f7dc009ca9a42ee1165c5dae8595da2f638a7e423bf9cbb4b86c2802c5f5b6d5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1e86240355e89668c5e154ab4f42d713dd609f537b4110b5e84f86696f5ea15b
[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" "1e86240355e89668c5e154ab4f42d713dd609f537b4110b5e84f86696f5ea15b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling compiletest_rs v0.3.26
[INFO] [stderr]    Compiling psm v0.1.8
[INFO] [stderr]    Compiling stacker v0.1.9
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling automod v0.1.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling serde_bytes v0.11.4
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rustfix v0.4.6
[INFO] [stderr]    Compiling serde_stacker v0.1.3
[INFO] [stderr]    Compiling tester v0.6.0
[INFO] [stderr]    Compiling serde_json_v8 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.75s
[INFO] running `"docker" "inspect" "1e86240355e89668c5e154ab4f42d713dd609f537b4110b5e84f86696f5ea15b"`
[INFO] running `"docker" "rm" "-f" "1e86240355e89668c5e154ab4f42d713dd609f537b4110b5e84f86696f5ea15b"`
[INFO] [stdout] 1e86240355e89668c5e154ab4f42d713dd609f537b4110b5e84f86696f5ea15b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 564f820e304d47f8f94d540a9bc81d3e1e3a7e21f3d67c97d8a6223ffcd685ae
[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" "564f820e304d47f8f94d540a9bc81d3e1e3a7e21f3d67c97d8a6223ffcd685ae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]    --> src/lib.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | #[macro_use]
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_json_v8-f6d92e0fec289d8a
[INFO] [stderr]    Doc-tests serde_json_v8
[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 6 tests
[INFO] [stdout] test src/lib.rs -  (line 121) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 244) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 213) ... ok
[INFO] [stdout] test src/lib.rs -  (line 184) ... ok
[INFO] [stdout] test src/lib.rs -  (line 43) ... ok
[INFO] [stdout] test src/lib.rs -  (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 121) stdout ----
[INFO] [stdout] error[E0252]: the name `Deserialize` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:123:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize};
[INFO] [stdout]   |                    ----------- previous import of the macro `Deserialize` here
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^--
[INFO] [stdout]   |             |
[INFO] [stdout]   |             `Deserialize` reimported here
[INFO] [stdout]   |             help: remove unnecessary import
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Deserialize` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error[E0252]: the name `Serialize` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:123:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize};
[INFO] [stdout]   |                                 --------- previous import of the macro `Serialize` here
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^ `Serialize` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Serialize` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 244) stdout ----
[INFO] [stdout] error[E0252]: the name `Deserialize` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:246:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize};
[INFO] [stdout]   |                    ----------- previous import of the macro `Deserialize` here
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^--
[INFO] [stdout]   |             |
[INFO] [stdout]   |             `Deserialize` reimported here
[INFO] [stdout]   |             help: remove unnecessary import
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Deserialize` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error[E0252]: the name `Serialize` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:246:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize};
[INFO] [stdout]   |                                 --------- previous import of the macro `Serialize` here
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^ `Serialize` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Serialize` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 121)
[INFO] [stdout]     src/lib.rs -  (line 244)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "564f820e304d47f8f94d540a9bc81d3e1e3a7e21f3d67c97d8a6223ffcd685ae"`
[INFO] running `"docker" "rm" "-f" "564f820e304d47f8f94d540a9bc81d3e1e3a7e21f3d67c97d8a6223ffcd685ae"`
[INFO] [stdout] 564f820e304d47f8f94d540a9bc81d3e1e3a7e21f3d67c97d8a6223ffcd685ae