[INFO] cloning repository https://github.com/micouy/dodo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micouy/dodo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fdodo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fdodo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b960be855efe89c34f13bdd0532ca6e2145db46b
[INFO] testing micouy/dodo against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fdodo" "/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/micouy/dodo on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/micouy/dodo
[INFO] finished tweaking git repo https://github.com/micouy/dodo
[INFO] tweaked toml for git repo https://github.com/micouy/dodo written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/micouy/dodo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded daggy v0.7.0
[INFO] [stderr]   Downloaded indexmap v1.5.1
[INFO] [stderr]   Downloaded derive-enum-error v0.0.1
[INFO] [stderr]   Downloaded erased-serde v0.3.12
[INFO] [stderr]   Downloaded dynfmt v0.1.4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f02394320e0e5995c867af456d1d8c66af525a25557310cf93f8a6247a854a65
[INFO] running `Command { std: "docker" "start" "-a" "f02394320e0e5995c867af456d1d8c66af525a25557310cf93f8a6247a854a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02394320e0e5995c867af456d1d8c66af525a25557310cf93f8a6247a854a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02394320e0e5995c867af456d1d8c66af525a25557310cf93f8a6247a854a65", kill_on_drop: false }`
[INFO] [stdout] f02394320e0e5995c867af456d1d8c66af525a25557310cf93f8a6247a854a65
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e82c3aafdd5c069d9ec97a8d637a6369a8dc5d16e481522eca7cf939e51b487f
[INFO] running `Command { std: "docker" "start" "-a" "e82c3aafdd5c069d9ec97a8d637a6369a8dc5d16e481522eca7cf939e51b487f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling daggy v0.7.0
[INFO] [stderr]    Compiling erased-serde v0.3.12
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling dynfmt v0.1.4
[INFO] [stderr]    Compiling dodo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_flattening)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dodo` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e82c3aafdd5c069d9ec97a8d637a6369a8dc5d16e481522eca7cf939e51b487f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82c3aafdd5c069d9ec97a8d637a6369a8dc5d16e481522eca7cf939e51b487f", kill_on_drop: false }`
[INFO] [stdout] e82c3aafdd5c069d9ec97a8d637a6369a8dc5d16e481522eca7cf939e51b487f