[INFO] cloning repository https://github.com/thiagoarrais/xagrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thiagoarrais/xagrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthiagoarrais%2Fxagrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthiagoarrais%2Fxagrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bffd3ac369f7bc9dd20483079eb801d33ca0e1ec
[INFO] checking thiagoarrais/xagrs against try#863511eff87e66198b396935f3b5c8a543022f53 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthiagoarrais%2Fxagrs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thiagoarrais/xagrs
[INFO] finished tweaking git repo https://github.com/thiagoarrais/xagrs
[INFO] tweaked toml for git repo https://github.com/thiagoarrais/xagrs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thiagoarrais/xagrs on toolchain 863511eff87e66198b396935f3b5c8a543022f53
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thiagoarrais/xagrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 387a8005558681bfd7173c53e11f323c8913485583244d27013ee7fe0d112959
[INFO] running `Command { std: "docker" "start" "-a" "387a8005558681bfd7173c53e11f323c8913485583244d27013ee7fe0d112959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387a8005558681bfd7173c53e11f323c8913485583244d27013ee7fe0d112959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387a8005558681bfd7173c53e11f323c8913485583244d27013ee7fe0d112959", kill_on_drop: false }`
[INFO] [stdout] 387a8005558681bfd7173c53e11f323c8913485583244d27013ee7fe0d112959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cf63eacb8b1f98870ab12e4f4b65ff52af62c07c53b73200ff3b2375b98ff3c
[INFO] running `Command { std: "docker" "start" "-a" "4cf63eacb8b1f98870ab12e4f4b65ff52af62c07c53b73200ff3b2375b98ff3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking xagrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |                   .fixed_args()
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 56 | |                 .clone()
[INFO] [stdout]    | |________________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   self.fixed_args()
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 68 | |                     .clone()
[INFO] [stdout]    | |____________________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |                   .fixed_args()
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 56 | |                 .clone()
[INFO] [stdout]    | |________________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   self.fixed_args()
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 68 | |                     .clone()
[INFO] [stdout]    | |____________________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lazy_static v1.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4cf63eacb8b1f98870ab12e4f4b65ff52af62c07c53b73200ff3b2375b98ff3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf63eacb8b1f98870ab12e4f4b65ff52af62c07c53b73200ff3b2375b98ff3c", kill_on_drop: false }`
[INFO] [stdout] 4cf63eacb8b1f98870ab12e4f4b65ff52af62c07c53b73200ff3b2375b98ff3c