[INFO] cloning repository https://github.com/tripped/charybdis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tripped/charybdis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftripped%2Fcharybdis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftripped%2Fcharybdis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec76de8f2320c5b6387ece09d7195a195a6b7779
[INFO] checking tripped/charybdis against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftripped%2Fcharybdis" "/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/tripped/charybdis on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tripped/charybdis
[INFO] finished tweaking git repo https://github.com/tripped/charybdis
[INFO] tweaked toml for git repo https://github.com/tripped/charybdis written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tripped/charybdis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iron v0.6.1
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bffbb3132446d3f155521074ca5b9c761e8a056dd79bb75be20f6351e936e3d
[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" "4bffbb3132446d3f155521074ca5b9c761e8a056dd79bb75be20f6351e936e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bffbb3132446d3f155521074ca5b9c761e8a056dd79bb75be20f6351e936e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bffbb3132446d3f155521074ca5b9c761e8a056dd79bb75be20f6351e936e3d", kill_on_drop: false }`
[INFO] [stdout] 4bffbb3132446d3f155521074ca5b9c761e8a056dd79bb75be20f6351e936e3d
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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] dfe2fa1f1a2b481ca3ee5d86c293f880e4c4b98f27500c3ff309e2668ba9a719
[INFO] running `Command { std: "docker" "start" "-a" "dfe2fa1f1a2b481ca3ee5d86c293f880e4c4b98f27500c3ff309e2668ba9a719", kill_on_drop: false }`
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking charybdis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `Command { std: "docker" "inspect" "dfe2fa1f1a2b481ca3ee5d86c293f880e4c4b98f27500c3ff309e2668ba9a719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe2fa1f1a2b481ca3ee5d86c293f880e4c4b98f27500c3ff309e2668ba9a719", kill_on_drop: false }`
[INFO] [stdout] dfe2fa1f1a2b481ca3ee5d86c293f880e4c4b98f27500c3ff309e2668ba9a719