[INFO] cloning repository https://github.com/Happy-Ferret/synapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Happy-Ferret/synapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappy-Ferret%2Fsynapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappy-Ferret%2Fsynapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac92bb424c3d7d99905f4c0988c924001b688080
[INFO] checking Happy-Ferret/synapse against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappy-Ferret%2Fsynapse" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Happy-Ferret/synapse on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Happy-Ferret/synapse
[INFO] finished tweaking git repo https://github.com/Happy-Ferret/synapse
[INFO] tweaked toml for git repo https://github.com/Happy-Ferret/synapse written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Happy-Ferret/synapse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-9/source/Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr]     Updating git repository `https://github.com/rust-num/num`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base32 v0.3.1
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded reqwest v0.7.2
[INFO] [stderr]   Downloaded amy v0.8.1
[INFO] [stderr]   Downloaded take_mut v0.1.3
[INFO] [stderr]   Downloaded encode_unicode v0.3.1
[INFO] [stderr]   Downloaded c-ares v2.0.0
[INFO] [stderr]   Downloaded serde v1.0.10
[INFO] [stderr]   Downloaded signal v0.3.2
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded serde_derive v1.0.10
[INFO] [stderr]   Downloaded untrusted v0.5.0
[INFO] [stderr]   Downloaded slog-async v2.0.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.17
[INFO] [stderr]   Downloaded c-ares-sys v2.0.0
[INFO] [stderr]   Downloaded openssl v0.9.17
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded slog-term v2.0.2
[INFO] [stderr]   Downloaded mime v0.3.3
[INFO] [stderr]   Downloaded hyper v0.11.2
[INFO] [stderr]   Downloaded websocket v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43a15e8f102a7015ad2135fa77566c6258bf03893c540bddf49f6a3381fcb0c8
[INFO] running `Command { std: "docker" "start" "-a" "43a15e8f102a7015ad2135fa77566c6258bf03893c540bddf49f6a3381fcb0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43a15e8f102a7015ad2135fa77566c6258bf03893c540bddf49f6a3381fcb0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a15e8f102a7015ad2135fa77566c6258bf03893c540bddf49f6a3381fcb0c8", kill_on_drop: false }`
[INFO] [stdout] 43a15e8f102a7015ad2135fa77566c6258bf03893c540bddf49f6a3381fcb0c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b91db764c8251f5e1eeee144b00f9affcde50a44510eca6c2a6f24e7cdaf9dc
[INFO] running `Command { std: "docker" "start" "-a" "6b91db764c8251f5e1eeee144b00f9affcde50a44510eca6c2a6f24e7cdaf9dc", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "6b91db764c8251f5e1eeee144b00f9affcde50a44510eca6c2a6f24e7cdaf9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b91db764c8251f5e1eeee144b00f9affcde50a44510eca6c2a6f24e7cdaf9dc", kill_on_drop: false }`
[INFO] [stdout] 6b91db764c8251f5e1eeee144b00f9affcde50a44510eca6c2a6f24e7cdaf9dc