[INFO] cloning repository https://github.com/tblah/rustylisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tblah/rustylisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftblah%2Frustylisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftblah%2Frustylisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 202e93b5ef24e8768f04e0c46303baa3487bb1a0
[INFO] testing tblah/rustylisp 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%2Ftblah%2Frustylisp" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tblah/rustylisp 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/tblah/rustylisp
[INFO] finished tweaking git repo https://github.com/tblah/rustylisp
[INFO] tweaked toml for git repo https://github.com/tblah/rustylisp written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tblah/rustylisp 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded readline-sys v0.0.12
[INFO] [stderr]   Downloaded readline v0.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e4041b192a4ad44b987971292e409d03b62d99734be5f1ab5c2572111df1dc36
[INFO] running `Command { std: "docker" "start" "-a" "e4041b192a4ad44b987971292e409d03b62d99734be5f1ab5c2572111df1dc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4041b192a4ad44b987971292e409d03b62d99734be5f1ab5c2572111df1dc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4041b192a4ad44b987971292e409d03b62d99734be5f1ab5c2572111df1dc36", kill_on_drop: false }`
[INFO] [stdout] e4041b192a4ad44b987971292e409d03b62d99734be5f1ab5c2572111df1dc36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a9af90f8f8037bfbe97c8736053678862ee6792b7b1bcdf30ab16e3911fdab4b
[INFO] running `Command { std: "docker" "start" "-a" "a9af90f8f8037bfbe97c8736053678862ee6792b7b1bcdf30ab16e3911fdab4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling readline-sys v0.0.12
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling readline v0.0.13
[INFO] [stderr]    Compiling rustyscheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trace_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/exec.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     name_iter: &mut Iterator<Item = &SchemeObject>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &SchemeObject>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustyscheme` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a9af90f8f8037bfbe97c8736053678862ee6792b7b1bcdf30ab16e3911fdab4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9af90f8f8037bfbe97c8736053678862ee6792b7b1bcdf30ab16e3911fdab4b", kill_on_drop: false }`
[INFO] [stdout] a9af90f8f8037bfbe97c8736053678862ee6792b7b1bcdf30ab16e3911fdab4b
