[INFO] cloning repository https://github.com/reesmanp/evil_penguin_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reesmanp/evil_penguin_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freesmanp%2Fevil_penguin_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freesmanp%2Fevil_penguin_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38e20619dcaa2e60ab2f1f4376c545816b51463f
[INFO] testing reesmanp/evil_penguin_2 against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freesmanp%2Fevil_penguin_2" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reesmanp/evil_penguin_2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reesmanp/evil_penguin_2
[INFO] finished tweaking git repo https://github.com/reesmanp/evil_penguin_2
[INFO] tweaked toml for git repo https://github.com/reesmanp/evil_penguin_2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/reesmanp/evil_penguin_2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e2fb2ab4451a242235b12dcc4c86b28e689e98828d6158d7ee8e7e7f2c8e244
[INFO] running `Command { std: "docker" "start" "-a" "7e2fb2ab4451a242235b12dcc4c86b28e689e98828d6158d7ee8e7e7f2c8e244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e2fb2ab4451a242235b12dcc4c86b28e689e98828d6158d7ee8e7e7f2c8e244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2fb2ab4451a242235b12dcc4c86b28e689e98828d6158d7ee8e7e7f2c8e244", kill_on_drop: false }`
[INFO] [stdout] 7e2fb2ab4451a242235b12dcc4c86b28e689e98828d6158d7ee8e7e7f2c8e244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 061e1ff4e9c9a2ab6411d05bcbc7a4763ed7505dc211148e77f8ce22d5100722
[INFO] running `Command { std: "docker" "start" "-a" "061e1ff4e9c9a2ab6411d05bcbc7a4763ed7505dc211148e77f8ce22d5100722", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling const-concat v0.1.1 (https://github.com/reesmanp/const-concat#1d2339c1)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/const-concat-fde51134b3861d5b/1d2339c/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const_fn,
[INFO] [stdout]   |     ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/const-concat-fde51134b3861d5b/1d2339c/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     const_fn,
[INFO] [stdout] 3 | |     const_fn_union,
[INFO] [stdout] 4 | |     untagged_unions,
[INFO] [stdout] 5 | |     const_raw_ptr_deref
[INFO] [stdout] 6 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-concat` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "061e1ff4e9c9a2ab6411d05bcbc7a4763ed7505dc211148e77f8ce22d5100722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061e1ff4e9c9a2ab6411d05bcbc7a4763ed7505dc211148e77f8ce22d5100722", kill_on_drop: false }`
[INFO] [stdout] 061e1ff4e9c9a2ab6411d05bcbc7a4763ed7505dc211148e77f8ce22d5100722
