[INFO] cloning repository https://github.com/1995parham/echo.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1995parham/echo.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1995parham%2Fecho.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1995parham%2Fecho.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2b242de26b21fa7042d5c21f149274c8d0f7629
[INFO] checking 1995parham/echo.rs against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1995parham%2Fecho.rs" "/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/1995parham/echo.rs 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/1995parham/echo.rs
[INFO] finished tweaking git repo https://github.com/1995parham/echo.rs
[INFO] tweaked toml for git repo https://github.com/1995parham/echo.rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/1995parham/echo.rs 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-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 728e1a42c3c58d50cd50fd97f4f3acc83968d446d81875f614f087dea33caaa0
[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" "728e1a42c3c58d50cd50fd97f4f3acc83968d446d81875f614f087dea33caaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "728e1a42c3c58d50cd50fd97f4f3acc83968d446d81875f614f087dea33caaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728e1a42c3c58d50cd50fd97f4f3acc83968d446d81875f614f087dea33caaa0", kill_on_drop: false }`
[INFO] [stdout] 728e1a42c3c58d50cd50fd97f4f3acc83968d446d81875f614f087dea33caaa0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/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] cea5473c19b458ab270987d5211acd81d82674deda03e64732b5f576716a0938
[INFO] running `Command { std: "docker" "start" "-a" "cea5473c19b458ab270987d5211acd81d82674deda03e64732b5f576716a0938", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking echo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.74s
[INFO] running `Command { std: "docker" "inspect" "cea5473c19b458ab270987d5211acd81d82674deda03e64732b5f576716a0938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea5473c19b458ab270987d5211acd81d82674deda03e64732b5f576716a0938", kill_on_drop: false }`
[INFO] [stdout] cea5473c19b458ab270987d5211acd81d82674deda03e64732b5f576716a0938