[INFO] cloning repository https://github.com/FreddieRidell/rust-minimal-reproduction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreddieRidell/rust-minimal-reproduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreddieRidell%2Frust-minimal-reproduction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreddieRidell%2Frust-minimal-reproduction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1abf93730cded269044da4e871eec670d4c8d12a
[INFO] building FreddieRidell/rust-minimal-reproduction against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreddieRidell%2Frust-minimal-reproduction" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreddieRidell/rust-minimal-reproduction on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreddieRidell/rust-minimal-reproduction
[INFO] finished tweaking git repo https://github.com/FreddieRidell/rust-minimal-reproduction
[INFO] tweaked toml for git repo https://github.com/FreddieRidell/rust-minimal-reproduction written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FreddieRidell/rust-minimal-reproduction 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29602380eacc887a946cf617e9ef5061894cde8cc2de23edd58984e8f5f0b370
[INFO] running `Command { std: "docker" "start" "-a" "29602380eacc887a946cf617e9ef5061894cde8cc2de23edd58984e8f5f0b370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29602380eacc887a946cf617e9ef5061894cde8cc2de23edd58984e8f5f0b370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29602380eacc887a946cf617e9ef5061894cde8cc2de23edd58984e8f5f0b370", kill_on_drop: false }`
[INFO] [stdout] 29602380eacc887a946cf617e9ef5061894cde8cc2de23edd58984e8f5f0b370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fde0b68b400e71c9945bbbd10a5814381cb9d91e4a5b2e5243541b48d683d1a
[INFO] running `Command { std: "docker" "start" "-a" "6fde0b68b400e71c9945bbbd10a5814381cb9d91e4a5b2e5243541b48d683d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-minimal-reproduction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `foo`
[INFO] [stdout]  --> src/bar.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod foo;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `foo`, create file "src/bar/foo.rs" or "src/bar/foo/mod.rs"
[INFO] [stdout]   = note: if there is a `mod foo` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found struct `String`
[INFO] [stdout]  --> src/bar.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     String.from(foo::make_string()).split("").rev().join("")
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use the path separator to refer to an item
[INFO] [stdout]   |
[INFO] [stdout] 4 |     String::from(foo::make_string()).split("").rev().join("")
[INFO] [stdout]   |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]  --> src/foo.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn make_string() -> str {
[INFO] [stdout]   |                         ^^^ doesn't have a size known at compile-time
[INFO] [stdout] 2 |     "lovely string"
[INFO] [stdout]   |     --------------- this returned value is of type `&'static str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]   = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("{}", foo::make_string());
[INFO] [stdout]   |               --   ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]   |               |
[INFO] [stdout]   |               required by a bound introduced by this call
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout] note: required by an implicit `Sized` bound in `core::fmt::rt::Argument::<'_>::new_display`
[INFO] [stdout]  --> /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/rt.rs:113:5
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("{}", foo::make_string());
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]   = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0423, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-minimal-reproduction` (bin "rust-minimal-reproduction") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "6fde0b68b400e71c9945bbbd10a5814381cb9d91e4a5b2e5243541b48d683d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fde0b68b400e71c9945bbbd10a5814381cb9d91e4a5b2e5243541b48d683d1a", kill_on_drop: false }`
[INFO] [stdout] 6fde0b68b400e71c9945bbbd10a5814381cb9d91e4a5b2e5243541b48d683d1a
