[INFO] cloning repository https://github.com/merrilymeredith/calajson [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merrilymeredith/calajson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6996491ed1737d17452f807db796943da815d58b [INFO] checking merrilymeredith/calajson against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/merrilymeredith/calajson on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/merrilymeredith/calajson [INFO] finished tweaking git repo https://github.com/merrilymeredith/calajson [INFO] tweaked toml for git repo https://github.com/merrilymeredith/calajson written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/merrilymeredith/calajson already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08cb0d72c145532fc94fb041aa88c8972e5a5587b50569127d3defae593183ae [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" "08cb0d72c145532fc94fb041aa88c8972e5a5587b50569127d3defae593183ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08cb0d72c145532fc94fb041aa88c8972e5a5587b50569127d3defae593183ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08cb0d72c145532fc94fb041aa88c8972e5a5587b50569127d3defae593183ae", kill_on_drop: false }` [INFO] [stdout] 08cb0d72c145532fc94fb041aa88c8972e5a5587b50569127d3defae593183ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b4e2fe12948adf5409993ecb1f232e0297dd22573800fbbf2eeffeb6ae2dfbf [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" "3b4e2fe12948adf5409993ecb1f232e0297dd22573800fbbf2eeffeb6ae2dfbf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling failure_derive v0.1.4 [INFO] [stderr] Checking rustc-demangle v0.1.11 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking crc32fast v1.1.2 [INFO] [stderr] Checking serde v1.0.84 [INFO] [stderr] Checking encoding_rs v0.8.13 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking libflate v0.1.19 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking zip v0.5.0 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking serde_json v1.0.34 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking failure v0.1.4 [INFO] [stderr] Checking quick-xml v0.13.1 [INFO] [stderr] Checking calamine v0.14.10 [INFO] [stderr] Checking calajson v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.37s [INFO] running `Command { std: "docker" "inspect" "3b4e2fe12948adf5409993ecb1f232e0297dd22573800fbbf2eeffeb6ae2dfbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4e2fe12948adf5409993ecb1f232e0297dd22573800fbbf2eeffeb6ae2dfbf", kill_on_drop: false }` [INFO] [stdout] 3b4e2fe12948adf5409993ecb1f232e0297dd22573800fbbf2eeffeb6ae2dfbf