[INFO] cloning repository https://github.com/BlackJackX/json-parser-contract [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlackJackX/json-parser-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackJackX%2Fjson-parser-contract", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackJackX%2Fjson-parser-contract'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5a4177d5da20333b576a8f8bbcfa14804187879 [INFO] checking BlackJackX/json-parser-contract against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackJackX%2Fjson-parser-contract" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BlackJackX/json-parser-contract on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-8/source/.cargo/config [INFO] removed /workspace/builds/worker-8/source/rust-toolchain [INFO] started tweaking git repo https://github.com/BlackJackX/json-parser-contract [INFO] finished tweaking git repo https://github.com/BlackJackX/json-parser-contract [INFO] tweaked toml for git repo https://github.com/BlackJackX/json-parser-contract written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/BlackJackX/json-parser-contract already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pwasm-abi-derive v0.2.3 [INFO] [stderr] Downloaded pwasm-libc v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 23a2addde8c15eeb7020cb51ca73b077dea82c58484855d874845d6489b5993d [INFO] running `Command { std: "docker" "start" "-a" "23a2addde8c15eeb7020cb51ca73b077dea82c58484855d874845d6489b5993d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23a2addde8c15eeb7020cb51ca73b077dea82c58484855d874845d6489b5993d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23a2addde8c15eeb7020cb51ca73b077dea82c58484855d874845d6489b5993d", kill_on_drop: false }` [INFO] [stdout] 23a2addde8c15eeb7020cb51ca73b077dea82c58484855d874845d6489b5993d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] caabea1f40ed6af43e5b8ce84b5cb18ea20cc893e49b1980845b2e81595754ee [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "caabea1f40ed6af43e5b8ce84b5cb18ea20cc893e49b1980845b2e81595754ee", kill_on_drop: false }` [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Checking static_assertions v0.2.5 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Checking very-simple-json-parser v0.1.0 (/opt/rustwide/workdir/very-simple-json-parser) [INFO] [stderr] Compiling wee_alloc v0.4.5 [INFO] [stderr] Checking pwasm-libc v0.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking fixed-hash v0.3.2 [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> very-simple-json-parser/src/lib.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let len = chars.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tiny-keccak v1.5.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking uint v0.5.0 [INFO] [stderr] Checking pwasm-alloc v0.4.1 [INFO] [stderr] Checking pwasm-std v0.13.1 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pwasm-std-0.13.1/src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(link_args)] [INFO] [stdout] | ^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in favor of using `-C link-arg=ARG` on command line, which is available from cargo build scripts with `cargo:rustc-link-arg` now [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pwasm-std` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "caabea1f40ed6af43e5b8ce84b5cb18ea20cc893e49b1980845b2e81595754ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caabea1f40ed6af43e5b8ce84b5cb18ea20cc893e49b1980845b2e81595754ee", kill_on_drop: false }` [INFO] [stdout] caabea1f40ed6af43e5b8ce84b5cb18ea20cc893e49b1980845b2e81595754ee