[INFO] cloning repository https://github.com/jtavera235/MultiClassMapper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtavera235/MultiClassMapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtavera235%2FMultiClassMapper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtavera235%2FMultiClassMapper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0456c566dbcdf2475384ab25310519fc4599ca4
[INFO] checking jtavera235/MultiClassMapper against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtavera235%2FMultiClassMapper" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtavera235/MultiClassMapper on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtavera235/MultiClassMapper
[INFO] finished tweaking git repo https://github.com/jtavera235/MultiClassMapper
[INFO] tweaked toml for git repo https://github.com/jtavera235/MultiClassMapper written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jtavera235/MultiClassMapper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48a9ddbf1fc8fc7d76269881bd92baef6beb9f78cad1db88c0db3446888e9a1b
[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" "48a9ddbf1fc8fc7d76269881bd92baef6beb9f78cad1db88c0db3446888e9a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a9ddbf1fc8fc7d76269881bd92baef6beb9f78cad1db88c0db3446888e9a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a9ddbf1fc8fc7d76269881bd92baef6beb9f78cad1db88c0db3446888e9a1b", kill_on_drop: false }`
[INFO] [stdout] 48a9ddbf1fc8fc7d76269881bd92baef6beb9f78cad1db88c0db3446888e9a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0608734add72ef50ebec05cec086b2580942edf2844ebe636b7bed9334b4cde
[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" "e0608734add72ef50ebec05cec086b2580942edf2844ebe636b7bed9334b4cde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking ClassMapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Field`
[INFO] [stdout]  --> src/deparser/deparser.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::objects::{Class, Field};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Field`
[INFO] [stdout]  --> src/deparser/deparser.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::objects::{Class, Field};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PRIVATE`
[INFO] [stdout]  --> src/models/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     PRIVATE,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUBLIC`
[INFO] [stdout]  --> src/models/types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     PUBLIC,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UNDEFINED`
[INFO] [stdout]  --> src/models/types.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     UNDEFINED,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UserEnvError`
[INFO] [stdout]  --> src/common/error/error_types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     UserEnvError(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ClassMapper` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `class_mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PRIVATE`
[INFO] [stdout]  --> src/models/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     PRIVATE,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUBLIC`
[INFO] [stdout]  --> src/models/types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     PUBLIC,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UNDEFINED`
[INFO] [stdout]  --> src/models/types.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     UNDEFINED,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UserEnvError`
[INFO] [stdout]  --> src/common/error/error_types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     UserEnvError(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ClassMapper` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `class_mapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "e0608734add72ef50ebec05cec086b2580942edf2844ebe636b7bed9334b4cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0608734add72ef50ebec05cec086b2580942edf2844ebe636b7bed9334b4cde", kill_on_drop: false }`
[INFO] [stdout] e0608734add72ef50ebec05cec086b2580942edf2844ebe636b7bed9334b4cde