[INFO] cloning repository https://github.com/Cerberuser/object-safe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cerberuser/object-safe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerberuser%2Fobject-safe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerberuser%2Fobject-safe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dca7620169dd0ab2c524370d90a927afc3b8afa
[INFO] checking Cerberuser/object-safe against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerberuser%2Fobject-safe" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cerberuser/object-safe on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cerberuser/object-safe
[INFO] finished tweaking git repo https://github.com/Cerberuser/object-safe
[INFO] tweaked toml for git repo https://github.com/Cerberuser/object-safe written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cerberuser/object-safe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.11
[INFO] [stderr]   Downloaded darling_macro v0.10.0
[INFO] [stderr]   Downloaded darling v0.10.0
[INFO] [stderr]   Downloaded darling_core v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ee625d1e79ad7707d2aaa0f1223ab12d4d662e190b056c3c36257fda5947342
[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" "2ee625d1e79ad7707d2aaa0f1223ab12d4d662e190b056c3c36257fda5947342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ee625d1e79ad7707d2aaa0f1223ab12d4d662e190b056c3c36257fda5947342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee625d1e79ad7707d2aaa0f1223ab12d4d662e190b056c3c36257fda5947342", kill_on_drop: false }`
[INFO] [stdout] 2ee625d1e79ad7707d2aaa0f1223ab12d4d662e190b056c3c36257fda5947342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] d8aeb8fbf6b0c7bfdc6ebcd4a6b72f5c31c92dfb9a44daace016cb50a496cad7
[INFO] running `Command { std: "docker" "start" "-a" "d8aeb8fbf6b0c7bfdc6ebcd4a6b72f5c31c92dfb9a44daace016cb50a496cad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking proc-macro2 v1.0.1
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking darling_core v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling darling_macro v0.10.0
[INFO] [stderr]     Checking darling v0.10.0
[INFO] [stderr]     Checking object-safe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking trybuild v1.0.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "d8aeb8fbf6b0c7bfdc6ebcd4a6b72f5c31c92dfb9a44daace016cb50a496cad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8aeb8fbf6b0c7bfdc6ebcd4a6b72f5c31c92dfb9a44daace016cb50a496cad7", kill_on_drop: false }`
[INFO] [stdout] d8aeb8fbf6b0c7bfdc6ebcd4a6b72f5c31c92dfb9a44daace016cb50a496cad7