[INFO] cloning repository https://github.com/nathanwhit/lambda-mac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathanwhit/lambda-mac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanwhit%2Flambda-mac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanwhit%2Flambda-mac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 606c3d9963683ad2729e9365385131c33b0e5aa2
[INFO] checking nathanwhit/lambda-mac against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanwhit%2Flambda-mac" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathanwhit/lambda-mac on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nathanwhit/lambda-mac
[INFO] finished tweaking git repo https://github.com/nathanwhit/lambda-mac
[INFO] tweaked toml for git repo https://github.com/nathanwhit/lambda-mac written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nathanwhit/lambda-mac 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0420e7bebca0bd8dafffeaf8c74e8205d4d1bca0a1aad2f272b4c56bc2643f2d
[INFO] running `Command { std: "docker" "start" "-a" "0420e7bebca0bd8dafffeaf8c74e8205d4d1bca0a1aad2f272b4c56bc2643f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0420e7bebca0bd8dafffeaf8c74e8205d4d1bca0a1aad2f272b4c56bc2643f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0420e7bebca0bd8dafffeaf8c74e8205d4d1bca0a1aad2f272b4c56bc2643f2d", kill_on_drop: false }`
[INFO] [stdout] 0420e7bebca0bd8dafffeaf8c74e8205d4d1bca0a1aad2f272b4c56bc2643f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a993ae3595dd146ac1cf6ba90430bbb97aaaa32c6f72b985293ab2a4869ed171
[INFO] running `Command { std: "docker" "start" "-a" "a993ae3595dd146ac1cf6ba90430bbb97aaaa32c6f72b985293ab2a4869ed171", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling io-lifetimes v0.7.2
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rustix v0.35.6
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]     Checking brownstone v3.0.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking nom-supreme v0.8.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking fd-lock v3.0.6
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]     Checking smol_str v0.1.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]    Compiling extend v1.1.2
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking tracing-tree v0.2.1
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]     Checking lambda-mac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/parse.rs:150:92
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn ws<'a, F: 'a, O, E: ParseError<&'a str>>(inner: F) -> impl FnMut(&'a str) -> ParseResult<O, E>
[INFO] [stdout]     |       -- lifetime `'a` declared here                                                       ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/parse.rs:150:92
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn ws<'a, F: 'a, O, E: ParseError<&'a str>>(inner: F) -> impl FnMut(&'a str) -> ParseResult<O, E>
[INFO] [stdout]     |       -- lifetime `'a` declared here                                                       ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> src/ir.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 format!("(λ{arg}. {})", ctx.print_term(&*body)).into()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> src/ir.rs:171:30
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 .enter(|ctx| format!("({} {})", ctx.print_term(&*a), ctx.print_term(&*b)).into()),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lambda-mac` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> src/ir.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 format!("(λ{arg}. {})", ctx.print_term(&*body)).into()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> src/ir.rs:171:30
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 .enter(|ctx| format!("({} {})", ctx.print_term(&*a), ctx.print_term(&*b)).into()),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `AstTerm<SmolStr>` to `AstTerm<SmolStr>`
[INFO] [stdout]    --> src/parse.rs:359:85
[INFO] [stdout]     |
[INFO] [stdout] 359 |         term_abs                        :   term("λx. x")                => Ok(("", abs!(x -> var!(x)).into()));
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `AstTerm<SmolStr>` to `AstTerm<SmolStr>`
[INFO] [stdout]    --> src/parse.rs:360:85
[INFO] [stdout]     |
[INFO] [stdout] 360 |         id_app                          :   term("(λx. x) y")            => Ok(("", app!(abs!(x -> var!(x)), var!(y)).into()));
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `AstTerm<SmolStr>` to `AstTerm<SmolStr>`
[INFO] [stdout]    --> src/parse.rs:361:85
[INFO] [stdout]     |
[INFO] [stdout] 361 | ...erm("(λx. x) y z")          => Ok(("", app!(app!(abs!(x -> var!(x)), var!(y)), var!(z)).into()));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `AstTerm<SmolStr>` to `AstTerm<SmolStr>`
[INFO] [stdout]    --> src/parse.rs:362:85
[INFO] [stdout]     |
[INFO] [stdout] 362 | ...erm("((λx. x) y) z")        => Ok(("", app!(app!(abs!(x -> var!(x)), var!(y)), var!(z)).into()));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `AstTerm<SmolStr>` to `AstTerm<SmolStr>`
[INFO] [stdout]    --> src/parse.rs:369:85
[INFO] [stdout]     |
[INFO] [stdout] 369 |         application_is_left_assoc       :   application("s t u")         => Ok(("", app!(app!(var!(s), var!(t)), var!(u)).into()));
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lambda-mac` (lib test) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a993ae3595dd146ac1cf6ba90430bbb97aaaa32c6f72b985293ab2a4869ed171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a993ae3595dd146ac1cf6ba90430bbb97aaaa32c6f72b985293ab2a4869ed171", kill_on_drop: false }`
[INFO] [stdout] a993ae3595dd146ac1cf6ba90430bbb97aaaa32c6f72b985293ab2a4869ed171