[INFO] cloning repository https://github.com/killercup/cthulhu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/cthulhu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcthulhu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcthulhu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee4a9f5a5bcf72164831650b23d9dc0d5618a04e
[INFO] checking killercup/cthulhu against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fcthulhu" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/killercup/cthulhu on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/killercup/cthulhu
[INFO] finished tweaking git repo https://github.com/killercup/cthulhu
[INFO] tweaked toml for git repo https://github.com/killercup/cthulhu written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/killercup/cthulhu 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/killercup/assert_tokens_eq`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu v0.4.4
[INFO] [stderr]   Downloaded snafu-derive v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5f72ff59ad7b987be022fe1865789f57acf3e0bd8080da49fef4a6d2e624510
[INFO] running `Command { std: "docker" "start" "-a" "d5f72ff59ad7b987be022fe1865789f57acf3e0bd8080da49fef4a6d2e624510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5f72ff59ad7b987be022fe1865789f57acf3e0bd8080da49fef4a6d2e624510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f72ff59ad7b987be022fe1865789f57acf3e0bd8080da49fef4a6d2e624510", kill_on_drop: false }`
[INFO] [stdout] d5f72ff59ad7b987be022fe1865789f57acf3e0bd8080da49fef4a6d2e624510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21178d6d93fb10cb05f82efcd832fe77781026160ebe4af3b15108308a08e23b
[INFO] running `Command { std: "docker" "start" "-a" "21178d6d93fb10cb05f82efcd832fe77781026160ebe4af3b15108308a08e23b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.52
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking snafu v0.4.4
[INFO] [stderr]     Checking assert_tokens_eq v0.1.0 (https://github.com/killercup/assert_tokens_eq#81281938)
[INFO] [stderr]    Compiling cffi-impl v0.2.0-dev (/opt/rustwide/workdir/impl)
[INFO] [stderr]    Compiling ctor v0.2.7
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]     Checking cffi v0.2.0-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/str.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StrMarshaler<'a>(&'a PhantomData<()>);
[INFO] [stdout]   |            ------------     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/str.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StrMarshaler<'a>(&'a PhantomData<()>);
[INFO] [stdout]   |            ------------     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.93s
[INFO] running `Command { std: "docker" "inspect" "21178d6d93fb10cb05f82efcd832fe77781026160ebe4af3b15108308a08e23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21178d6d93fb10cb05f82efcd832fe77781026160ebe4af3b15108308a08e23b", kill_on_drop: false }`
[INFO] [stdout] 21178d6d93fb10cb05f82efcd832fe77781026160ebe4af3b15108308a08e23b