[INFO] cloning repository https://github.com/sumeet/SOLDIER
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sumeet/SOLDIER" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumeet%2FSOLDIER", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumeet%2FSOLDIER'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28b78221172a422160f30cc97d8a31fe0a45696f
[INFO] testing sumeet/SOLDIER against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumeet%2FSOLDIER" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sumeet/SOLDIER on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sumeet/SOLDIER
[INFO] finished tweaking git repo https://github.com/sumeet/SOLDIER
[INFO] tweaked toml for git repo https://github.com/sumeet/SOLDIER written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/sumeet/SOLDIER already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded dyn_partial_eq_derive v0.1.2
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded dyn_partial_eq v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0168b59bac96e4ef6b0f24fa47c38015ba8d9e97aff502c1eb5f2ec3429b8010
[INFO] running `Command { std: "docker" "start" "-a" "0168b59bac96e4ef6b0f24fa47c38015ba8d9e97aff502c1eb5f2ec3429b8010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0168b59bac96e4ef6b0f24fa47c38015ba8d9e97aff502c1eb5f2ec3429b8010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0168b59bac96e4ef6b0f24fa47c38015ba8d9e97aff502c1eb5f2ec3429b8010", kill_on_drop: false }`
[INFO] [stdout] 0168b59bac96e4ef6b0f24fa47c38015ba8d9e97aff502c1eb5f2ec3429b8010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a005308c05b4a12e503dd079f6fb6a581c862ab1b28add554da7a12e87221c
[INFO] running `Command { std: "docker" "start" "-a" "b6a005308c05b4a12e503dd079f6fb6a581c862ab1b28add554da7a12e87221c", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling peg v0.7.0
[INFO] [stderr]    Compiling dyn_partial_eq_derive v0.1.2
[INFO] [stderr]    Compiling dyn_partial_eq v0.1.2
[INFO] [stderr]    Compiling zac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_try_insert)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zac` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6a005308c05b4a12e503dd079f6fb6a581c862ab1b28add554da7a12e87221c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a005308c05b4a12e503dd079f6fb6a581c862ab1b28add554da7a12e87221c", kill_on_drop: false }`
[INFO] [stdout] b6a005308c05b4a12e503dd079f6fb6a581c862ab1b28add554da7a12e87221c