[INFO] cloning repository https://github.com/nithin-lang/didactic-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nithin-lang/didactic-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnithin-lang%2Fdidactic-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnithin-lang%2Fdidactic-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0791dd39702aaf5f7aa24c0dfa32c16ce2b0fb4
[INFO] checking nithin-lang/didactic-system/a0791dd39702aaf5f7aa24c0dfa32c16ce2b0fb4 against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnithin-lang%2Fdidactic-system" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nithin-lang/didactic-system
[INFO] finished tweaking git repo https://github.com/nithin-lang/didactic-system
[INFO] tweaked toml for git repo https://github.com/nithin-lang/didactic-system written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nithin-lang/didactic-system on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nithin-lang/didactic-system 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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 985ecc8c9736feabb35991db31a9252c4a1419d04846c7562dfde5a5920566af
[INFO] running `Command { std: "docker" "start" "-a" "985ecc8c9736feabb35991db31a9252c4a1419d04846c7562dfde5a5920566af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "985ecc8c9736feabb35991db31a9252c4a1419d04846c7562dfde5a5920566af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985ecc8c9736feabb35991db31a9252c4a1419d04846c7562dfde5a5920566af", kill_on_drop: false }`
[INFO] [stdout] 985ecc8c9736feabb35991db31a9252c4a1419d04846c7562dfde5a5920566af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f29fd1643ba02f9fc603bf9090bbf6f167f1c8bb9a4fa5e1e0c1b75f85cdf5fc
[INFO] running `Command { std: "docker" "start" "-a" "f29fd1643ba02f9fc603bf9090bbf6f167f1c8bb9a4fa5e1e0c1b75f85cdf5fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling icu_properties_data v2.0.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
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[INFO] [stderr]     Checking either v1.15.0
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[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.14
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[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustc_version_runtime v0.3.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling cc v1.2.22
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]    Compiling openssl-sys v0.9.108
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.16.2+1.7.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sysinfo v0.30.13
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]     Checking rustyline v13.0.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking git2 v0.18.3
[INFO] [stderr]     Checking rust-cmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.53s
[INFO] running `Command { std: "docker" "inspect" "f29fd1643ba02f9fc603bf9090bbf6f167f1c8bb9a4fa5e1e0c1b75f85cdf5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29fd1643ba02f9fc603bf9090bbf6f167f1c8bb9a4fa5e1e0c1b75f85cdf5fc", kill_on_drop: false }`
[INFO] [stdout] f29fd1643ba02f9fc603bf9090bbf6f167f1c8bb9a4fa5e1e0c1b75f85cdf5fc