[INFO] cloning repository https://github.com/Ameliorate/track8-program
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ameliorate/track8-program" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmeliorate%2Ftrack8-program", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmeliorate%2Ftrack8-program'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b91c4ee4106de486ddbfcb61bdabc385d1a4c12c
[INFO] checking Ameliorate/track8-program against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmeliorate%2Ftrack8-program" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ameliorate/track8-program on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ameliorate/track8-program
[INFO] finished tweaking git repo https://github.com/Ameliorate/track8-program
[INFO] tweaked toml for git repo https://github.com/Ameliorate/track8-program written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ameliorate/track8-program already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded derive_more v0.9.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.38
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded libc v0.2.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6c5f429da516dd367784afd2b96cd8f261dc29a54ea81ab535980a0200ff726
[INFO] running `Command { std: "docker" "start" "-a" "a6c5f429da516dd367784afd2b96cd8f261dc29a54ea81ab535980a0200ff726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6c5f429da516dd367784afd2b96cd8f261dc29a54ea81ab535980a0200ff726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c5f429da516dd367784afd2b96cd8f261dc29a54ea81ab535980a0200ff726", kill_on_drop: false }`
[INFO] [stdout] a6c5f429da516dd367784afd2b96cd8f261dc29a54ea81ab535980a0200ff726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98f8abbda67eef60c03b124f8d0f337c70e2622cfb5974ac6192f8fa3969443e
[INFO] running `Command { std: "docker" "start" "-a" "98f8abbda67eef60c03b124f8d0f337c70e2622cfb5974ac6192f8fa3969443e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling derive_more v0.9.0
[INFO] [stderr]     Checking track8-program v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `let_s` in this scope
[INFO] [stdout]  --> src/test.rs:4:80
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn cst_to_string_invalid(){let v:Vec<C>=vec![C::N(4000000)];let c:CSt=v.into();let_s=c.to_string();}
[INFO] [stdout]   |                                                                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn cst_to_string_invalid(){let v:Vec<C>=vec![C::N(4000000)];let c:CSt=v.into();let s=c.to_string();}
[INFO] [stdout]   |                                                                                ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `track8-program` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "98f8abbda67eef60c03b124f8d0f337c70e2622cfb5974ac6192f8fa3969443e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f8abbda67eef60c03b124f8d0f337c70e2622cfb5974ac6192f8fa3969443e", kill_on_drop: false }`
[INFO] [stdout] 98f8abbda67eef60c03b124f8d0f337c70e2622cfb5974ac6192f8fa3969443e