[INFO] cloning repository https://github.com/mfinelli/twentytwentytwenty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfinelli/twentytwentytwenty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfinelli%2Ftwentytwentytwenty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfinelli%2Ftwentytwentytwenty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 584178389d4fe326457544af343c0e88d6a64cca
[INFO] checking mfinelli/twentytwentytwenty against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfinelli%2Ftwentytwentytwenty" "/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/mfinelli/twentytwentytwenty on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mfinelli/twentytwentytwenty
[INFO] finished tweaking git repo https://github.com/mfinelli/twentytwentytwenty
[INFO] tweaked toml for git repo https://github.com/mfinelli/twentytwentytwenty written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mfinelli/twentytwentytwenty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded zbus_macros v1.8.0
[INFO] [stderr]   Downloaded derivative v2.1.3
[INFO] [stderr]   Downloaded futures-core v0.3.11
[INFO] [stderr]   Downloaded futures-util v0.3.11
[INFO] [stderr]   Downloaded notify-rust v4.2.2
[INFO] [stderr]   Downloaded zvariant v2.4.0
[INFO] [stderr]   Downloaded futures-sink v0.3.11
[INFO] [stderr]   Downloaded futures-task v0.3.11
[INFO] [stderr]   Downloaded futures-channel v0.3.11
[INFO] [stderr]   Downloaded futures v0.3.11
[INFO] [stderr]   Downloaded zbus v1.8.0
[INFO] [stderr]   Downloaded futures-macro v0.3.11
[INFO] [stderr]   Downloaded futures-executor v0.3.11
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded zvariant_derive v2.4.0
[INFO] [stderr]   Downloaded futures-io v0.3.11
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c98fcb1256cce5874bdadedf4847d01aba7e44726ccae6909ab48d59c6fc54
[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" "e2c98fcb1256cce5874bdadedf4847d01aba7e44726ccae6909ab48d59c6fc54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c98fcb1256cce5874bdadedf4847d01aba7e44726ccae6909ab48d59c6fc54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c98fcb1256cce5874bdadedf4847d01aba7e44726ccae6909ab48d59c6fc54", kill_on_drop: false }`
[INFO] [stdout] e2c98fcb1256cce5874bdadedf4847d01aba7e44726ccae6909ab48d59c6fc54
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 393a95f16fec842d56617b62d4728331a048022e73ec3c8c515b17bbc585991a
[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" "393a95f16fec842d56617b62d4728331a048022e73ec3c8c515b17bbc585991a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.11
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking futures-io v0.3.11
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking futures-sink v0.3.11
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.11
[INFO] [stderr]     Checking futures-channel v0.3.11
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.11
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking futures-util v0.3.11
[INFO] [stderr]     Checking futures-executor v0.3.11
[INFO] [stderr]     Checking futures v0.3.11
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling zvariant_derive v2.4.0
[INFO] [stderr]    Compiling zbus_macros v1.8.0
[INFO] [stderr]     Checking zvariant v2.4.0
[INFO] [stderr]     Checking zbus v1.8.0
[INFO] [stderr]     Checking notify-rust v4.2.2
[INFO] [stderr]     Checking twentytwentytwenty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "393a95f16fec842d56617b62d4728331a048022e73ec3c8c515b17bbc585991a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393a95f16fec842d56617b62d4728331a048022e73ec3c8c515b17bbc585991a", kill_on_drop: false }`
[INFO] [stdout] 393a95f16fec842d56617b62d4728331a048022e73ec3c8c515b17bbc585991a