[INFO] cloning repository https://github.com/Aaronepower/rust-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aaronepower/rust-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaronepower%2Frust-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaronepower%2Frust-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6e9dcf57572cf6a0560a3009a1e98dcd38dbb03
[INFO] checking Aaronepower/rust-test against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaronepower%2Frust-test" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aaronepower/rust-test on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aaronepower/rust-test
[INFO] finished tweaking git repo https://github.com/Aaronepower/rust-test
[INFO] tweaked toml for git repo https://github.com/Aaronepower/rust-test written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Aaronepower/rust-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_xml v0.7.1
[INFO] [stderr]   Downloaded term v0.2.14
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded num-traits v0.1.32
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded syntex v0.36.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.19
[INFO] [stderr]   Downloaded serde_codegen v0.7.11
[INFO] [stderr]   Downloaded serde_item v0.2.0
[INFO] [stderr]   Downloaded quasi_codegen v0.13.0
[INFO] [stderr]   Downloaded winapi v0.2.7
[INFO] [stderr]   Downloaded quasi v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.13
[INFO] [stderr]   Downloaded aster v0.19.0
[INFO] [stderr]   Downloaded serde_json v0.7.3
[INFO] [stderr]   Downloaded serde v0.7.11
[INFO] [stderr]   Downloaded syntex_syntax v0.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d02a138de1d1abc111c57ac3c991f9d08d3e0e8f093d4986db78bd2bda254532
[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" "d02a138de1d1abc111c57ac3c991f9d08d3e0e8f093d4986db78bd2bda254532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d02a138de1d1abc111c57ac3c991f9d08d3e0e8f093d4986db78bd2bda254532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02a138de1d1abc111c57ac3c991f9d08d3e0e8f093d4986db78bd2bda254532", kill_on_drop: false }`
[INFO] [stdout] d02a138de1d1abc111c57ac3c991f9d08d3e0e8f093d4986db78bd2bda254532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd295b1daeba480dd805cb5061de033799d74b12fd2d7a2c7ab89ef375a28d26
[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" "cd295b1daeba480dd805cb5061de033799d74b12fd2d7a2c7ab89ef375a28d26", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/build.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]  --> src/lib.rs.in:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]  --> src/lib.rs.in:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "cd295b1daeba480dd805cb5061de033799d74b12fd2d7a2c7ab89ef375a28d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd295b1daeba480dd805cb5061de033799d74b12fd2d7a2c7ab89ef375a28d26", kill_on_drop: false }`
[INFO] [stdout] cd295b1daeba480dd805cb5061de033799d74b12fd2d7a2c7ab89ef375a28d26