[INFO] cloning repository https://github.com/EdwardsKM/substruct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EdwardsKM/substruct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdwardsKM%2Fsubstruct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdwardsKM%2Fsubstruct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 890838a53d20afd2bfef4ccad9476e4a5b58d4e1
[INFO] checking EdwardsKM/substruct against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdwardsKM%2Fsubstruct" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EdwardsKM/substruct
[INFO] finished tweaking git repo https://github.com/EdwardsKM/substruct
[INFO] tweaked toml for git repo https://github.com/EdwardsKM/substruct written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EdwardsKM/substruct on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EdwardsKM/substruct 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.96
[INFO] [stderr]   Downloaded winnow v0.6.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 125acae64a826f0d6f0a22a6cb2d2e6762f612014f5e1c1d7218004760fed262
[INFO] running `Command { std: "docker" "start" "-a" "125acae64a826f0d6f0a22a6cb2d2e6762f612014f5e1c1d7218004760fed262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "125acae64a826f0d6f0a22a6cb2d2e6762f612014f5e1c1d7218004760fed262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125acae64a826f0d6f0a22a6cb2d2e6762f612014f5e1c1d7218004760fed262", kill_on_drop: false }`
[INFO] [stdout] 125acae64a826f0d6f0a22a6cb2d2e6762f612014f5e1c1d7218004760fed262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 282bcb633ce14cfed50ccf4449d2ce8f06d47dc52a6e3cc67de01a4f817eb9eb
[INFO] running `Command { std: "docker" "start" "-a" "282bcb633ce14cfed50ccf4449d2ce8f06d47dc52a6e3cc67de01a4f817eb9eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling trybuild v1.0.96
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking winnow v0.6.9
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]     Checking syn v2.0.66
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]     Checking toml_datetime v0.6.6
[INFO] [stderr]     Checking serde_spanned v0.6.6
[INFO] [stderr]     Checking toml_edit v0.22.13
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking toml v0.8.13
[INFO] [stderr]     Checking substruct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0609]: no field `elems` on type `&ExprArray`
[INFO] [stdout]    --> src/lib.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     for e in v.elems.iter() {
[INFO] [stdout]     |                                ^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `elems` on type `&ExprArray`
[INFO] [stdout]    --> src/lib.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |                     for e in v.elems.iter() {
[INFO] [stdout]     |                                ^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0609`.
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `elems` on type `&ExprArray`
[INFO] [stdout]    --> src/lib.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     for e in v.elems.iter() {
[INFO] [stdout]     |                                ^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `elems` on type `&ExprArray`
[INFO] [stdout]    --> src/lib.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |                     for e in v.elems.iter() {
[INFO] [stdout]     |                                ^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substruct` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0609`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substruct` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "282bcb633ce14cfed50ccf4449d2ce8f06d47dc52a6e3cc67de01a4f817eb9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282bcb633ce14cfed50ccf4449d2ce8f06d47dc52a6e3cc67de01a4f817eb9eb", kill_on_drop: false }`
[INFO] [stdout] 282bcb633ce14cfed50ccf4449d2ce8f06d47dc52a6e3cc67de01a4f817eb9eb
