[INFO] fetching crate syncdoc-core 0.5.0...
[INFO] checking syncdoc-core-0.5.0 against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657-1
[INFO] extracting crate syncdoc-core 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate syncdoc-core 0.5.0
[INFO] finished tweaking crates.io crate syncdoc-core 0.5.0
[INFO] tweaked toml for crates.io crate syncdoc-core 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syncdoc-core 0.5.0 on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syncdoc-core 0.5.0 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textum v0.1.2
[INFO] [stderr]   Downloaded rust-format v0.3.4
[INFO] [stderr]   Downloaded ctor v0.6.1
[INFO] [stderr]   Downloaded sigchld v0.2.4
[INFO] [stderr]   Downloaded shared_thread v0.2.0
[INFO] [stderr]   Downloaded shared_child v1.1.1
[INFO] [stderr]   Downloaded braces v0.2.6
[INFO] [stderr]   Downloaded duct v1.1.1
[INFO] [stderr]   Downloaded insta v1.43.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 039d254ab114babe41f2fd0dfc6d8dde1d04b30d1bfade6638ed0e3c4ce9cc3b
[INFO] running `Command { std: "docker" "start" "-a" "039d254ab114babe41f2fd0dfc6d8dde1d04b30d1bfade6638ed0e3c4ce9cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "039d254ab114babe41f2fd0dfc6d8dde1d04b30d1bfade6638ed0e3c4ce9cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039d254ab114babe41f2fd0dfc6d8dde1d04b30d1bfade6638ed0e3c4ce9cc3b", kill_on_drop: false }`
[INFO] [stdout] 039d254ab114babe41f2fd0dfc6d8dde1d04b30d1bfade6638ed0e3c4ce9cc3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc619c9c490fc2f72592d0f3bf354bfa7b0f0e592393cb1b8ce61cc3aa2e6e1b
[INFO] running `Command { std: "docker" "start" "-a" "bc619c9c490fc2f72592d0f3bf354bfa7b0f0e592393cb1b8ce61cc3aa2e6e1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking str_indices v0.4.4
[INFO] [stderr]    Compiling dtor-proc-macro v0.0.6
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking shadow_counted v0.4.0
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling ctor-proc-macro v0.0.7
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking shared_thread v0.2.0
[INFO] [stderr]     Checking braces v0.2.6
[INFO] [stderr]     Checking ropey v1.6.1
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking dtor v0.1.1
[INFO] [stderr]     Checking ctor v0.6.1
[INFO] [stderr]     Checking quote v1.0.42
[INFO] [stderr]     Checking unsynn v0.1.1
[INFO] [stderr]     Checking rust-format v0.3.4
[INFO] [stderr]     Checking textum v0.1.2
[INFO] [stderr]     Checking syncdoc-core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking sigchld v0.2.4
[INFO] [stderr]     Checking shared_child v1.1.1
[INFO] [stderr]     Checking insta v1.43.2
[INFO] [stderr]     Checking duct v1.1.1
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.26s
[INFO] running `Command { std: "docker" "inspect" "bc619c9c490fc2f72592d0f3bf354bfa7b0f0e592393cb1b8ce61cc3aa2e6e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc619c9c490fc2f72592d0f3bf354bfa7b0f0e592393cb1b8ce61cc3aa2e6e1b", kill_on_drop: false }`
[INFO] [stdout] bc619c9c490fc2f72592d0f3bf354bfa7b0f0e592393cb1b8ce61cc3aa2e6e1b