[INFO] cloning repository https://github.com/asaadmohammed74/serde_derive_prob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asaadmohammed74/serde_derive_prob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dfd908c6be5a9364bed7162eba488bc67fb6465
[INFO] checking asaadmohammed74/serde_derive_prob against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asaadmohammed74/serde_derive_prob on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asaadmohammed74/serde_derive_prob
[INFO] finished tweaking git repo https://github.com/asaadmohammed74/serde_derive_prob
[INFO] tweaked toml for git repo https://github.com/asaadmohammed74/serde_derive_prob written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/asaadmohammed74/serde_derive_prob already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c18bd488a6b395d45dd2c681bb01ac8a9aceb052a5f9534a4d0c8b07c2b8fa7
[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" "1c18bd488a6b395d45dd2c681bb01ac8a9aceb052a5f9534a4d0c8b07c2b8fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c18bd488a6b395d45dd2c681bb01ac8a9aceb052a5f9534a4d0c8b07c2b8fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c18bd488a6b395d45dd2c681bb01ac8a9aceb052a5f9534a4d0c8b07c2b8fa7", kill_on_drop: false }`
[INFO] [stdout] 1c18bd488a6b395d45dd2c681bb01ac8a9aceb052a5f9534a4d0c8b07c2b8fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68ec18a25fab6e45ec17cba7f4b1bc9053d0a233b51d8f634e14ffe845230f8
[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" "d68ec18a25fab6e45ec17cba7f4b1bc9053d0a233b51d8f634e14ffe845230f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking der_example v0.1.0 (/opt/rustwide/workdir/der_example)
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 25.23s
[INFO] running `Command { std: "docker" "inspect" "d68ec18a25fab6e45ec17cba7f4b1bc9053d0a233b51d8f634e14ffe845230f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68ec18a25fab6e45ec17cba7f4b1bc9053d0a233b51d8f634e14ffe845230f8", kill_on_drop: false }`
[INFO] [stdout] d68ec18a25fab6e45ec17cba7f4b1bc9053d0a233b51d8f634e14ffe845230f8