[INFO] cloning repository https://github.com/KonstantinPakulev/Rust_hw_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KonstantinPakulev/Rust_hw_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinPakulev%2FRust_hw_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinPakulev%2FRust_hw_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c465b2ddc4ba167e5e543a41e02fd478828966a
[INFO] checking KonstantinPakulev/Rust_hw_2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinPakulev%2FRust_hw_2" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KonstantinPakulev/Rust_hw_2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KonstantinPakulev/Rust_hw_2
[INFO] finished tweaking git repo https://github.com/KonstantinPakulev/Rust_hw_2
[INFO] tweaked toml for git repo https://github.com/KonstantinPakulev/Rust_hw_2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/KonstantinPakulev/Rust_hw_2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d065c6131dc046b4b9110960211ebc3f191f4c14f90a691e53186b3bf8c4b145
[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" "d065c6131dc046b4b9110960211ebc3f191f4c14f90a691e53186b3bf8c4b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d065c6131dc046b4b9110960211ebc3f191f4c14f90a691e53186b3bf8c4b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d065c6131dc046b4b9110960211ebc3f191f4c14f90a691e53186b3bf8c4b145", kill_on_drop: false }`
[INFO] [stdout] d065c6131dc046b4b9110960211ebc3f191f4c14f90a691e53186b3bf8c4b145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a92d9f89d9c4b2aba4e7d37b54ce9317e3cc24a9bf0c24d835aca0aafe64c046
[INFO] running `Command { std: "docker" "start" "-a" "a92d9f89d9c4b2aba4e7d37b54ce9317e3cc24a9bf0c24d835aca0aafe64c046", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking rust_hw_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn read(params: Opt) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:59:157
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...ne: &bool, pop_not_none: &bool) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:83:169
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...ne: &bool, pop_not_none: &bool) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn read(params: Opt) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:59:157
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...ne: &bool, pop_not_none: &bool) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:83:169
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...ne: &bool, pop_not_none: &bool) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.77s
[INFO] running `Command { std: "docker" "inspect" "a92d9f89d9c4b2aba4e7d37b54ce9317e3cc24a9bf0c24d835aca0aafe64c046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92d9f89d9c4b2aba4e7d37b54ce9317e3cc24a9bf0c24d835aca0aafe64c046", kill_on_drop: false }`
[INFO] [stdout] a92d9f89d9c4b2aba4e7d37b54ce9317e3cc24a9bf0c24d835aca0aafe64c046