[INFO] cloning repository https://github.com/mylamour/aRex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mylamour/aRex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmylamour%2FaRex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmylamour%2FaRex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e71ff9e3fe712600d039bdc7a67592647890495d
[INFO] testing mylamour/aRex against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmylamour%2FaRex" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mylamour/aRex on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mylamour/aRex
[INFO] finished tweaking git repo https://github.com/mylamour/aRex
[INFO] tweaked toml for git repo https://github.com/mylamour/aRex written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mylamour/aRex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2f547e9ecb252f4daa1785780f8baf2bcd3b87de2f0afb3bc93d06329922ed7
[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" "c2f547e9ecb252f4daa1785780f8baf2bcd3b87de2f0afb3bc93d06329922ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2f547e9ecb252f4daa1785780f8baf2bcd3b87de2f0afb3bc93d06329922ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f547e9ecb252f4daa1785780f8baf2bcd3b87de2f0afb3bc93d06329922ed7", kill_on_drop: false }`
[INFO] [stdout] c2f547e9ecb252f4daa1785780f8baf2bcd3b87de2f0afb3bc93d06329922ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25ecabc3abae37d5d2e3c059fcd304b44c6858cd24ab4f34b4c9a10bec2a885a
[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" "25ecabc3abae37d5d2e3c059fcd304b44c6858cd24ab4f34b4c9a10bec2a885a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling aRex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     io,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `aRex` 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: `a_rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.40s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25ecabc3abae37d5d2e3c059fcd304b44c6858cd24ab4f34b4c9a10bec2a885a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ecabc3abae37d5d2e3c059fcd304b44c6858cd24ab4f34b4c9a10bec2a885a", kill_on_drop: false }`
[INFO] [stdout] 25ecabc3abae37d5d2e3c059fcd304b44c6858cd24ab4f34b4c9a10bec2a885a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b6be00be2b330fb7cb59cd511a9c04cd685ccd51be770481181a377f5466338
[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" "2b6be00be2b330fb7cb59cd511a9c04cd685ccd51be770481181a377f5466338", kill_on_drop: false }`
[INFO] [stderr]    Compiling aRex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     io,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `aRex` 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: `a_rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "2b6be00be2b330fb7cb59cd511a9c04cd685ccd51be770481181a377f5466338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6be00be2b330fb7cb59cd511a9c04cd685ccd51be770481181a377f5466338", kill_on_drop: false }`
[INFO] [stdout] 2b6be00be2b330fb7cb59cd511a9c04cd685ccd51be770481181a377f5466338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8a2e3963c3eb88126ff69fba7dc372b488f0a30a12f322179fa830c7150780f
[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" "c8a2e3963c3eb88126ff69fba7dc372b488f0a30a12f322179fa830c7150780f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     io,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `aRex` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `a_rex`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aRex-744e9d86c63ce956)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8a2e3963c3eb88126ff69fba7dc372b488f0a30a12f322179fa830c7150780f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a2e3963c3eb88126ff69fba7dc372b488f0a30a12f322179fa830c7150780f", kill_on_drop: false }`
[INFO] [stdout] c8a2e3963c3eb88126ff69fba7dc372b488f0a30a12f322179fa830c7150780f