[INFO] cloning repository https://github.com/photon-garden/reproduce-graphlib-compilation-error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/photon-garden/reproduce-graphlib-compilation-error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphoton-garden%2Freproduce-graphlib-compilation-error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphoton-garden%2Freproduce-graphlib-compilation-error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f41d1994c7a88a3e0e5b18db6a529ad9ea499b69
[INFO] testing photon-garden/reproduce-graphlib-compilation-error against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphoton-garden%2Freproduce-graphlib-compilation-error" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/photon-garden/reproduce-graphlib-compilation-error on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/photon-garden/reproduce-graphlib-compilation-error
[INFO] finished tweaking git repo https://github.com/photon-garden/reproduce-graphlib-compilation-error
[INFO] tweaked toml for git repo https://github.com/photon-garden/reproduce-graphlib-compilation-error written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/photon-garden/reproduce-graphlib-compilation-error already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2056a646b9ceeb25d6d8bb172474caa28105e2a0c30d679a3042e0718e24d4e4
[INFO] running `Command { std: "docker" "start" "-a" "2056a646b9ceeb25d6d8bb172474caa28105e2a0c30d679a3042e0718e24d4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2056a646b9ceeb25d6d8bb172474caa28105e2a0c30d679a3042e0718e24d4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2056a646b9ceeb25d6d8bb172474caa28105e2a0c30d679a3042e0718e24d4e4", kill_on_drop: false }`
[INFO] [stdout] 2056a646b9ceeb25d6d8bb172474caa28105e2a0c30d679a3042e0718e24d4e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce41b651c1825ec6ce145d8752cfb65671caf382c17ad17be559ed5f6b21339
[INFO] running `Command { std: "docker" "start" "-a" "0ce41b651c1825ec6ce145d8752cfb65671caf382c17ad17be559ed5f6b21339", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ahash v0.2.19
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling rand_isaac v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling graphlib v0.6.2
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/graphlib-0.6.2/src/vertex_id.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |         write!(f, "VertexId({})", hex::encode(self.0))
[INFO] [stdout]   |                                        ^^^^^^ not found in `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graphlib` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0ce41b651c1825ec6ce145d8752cfb65671caf382c17ad17be559ed5f6b21339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce41b651c1825ec6ce145d8752cfb65671caf382c17ad17be559ed5f6b21339", kill_on_drop: false }`
[INFO] [stdout] 0ce41b651c1825ec6ce145d8752cfb65671caf382c17ad17be559ed5f6b21339