[INFO] fetching crate varlink-cli 4.5.1...
[INFO] checking varlink-cli-4.5.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate varlink-cli 4.5.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate varlink-cli 4.5.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varlink-cli 4.5.1
[INFO] finished tweaking crates.io crate varlink-cli 4.5.1
[INFO] tweaked toml for crates.io crate varlink-cli 4.5.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate varlink-cli 4.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded uds_windows v0.1.4
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded colored_json v2.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded varlink_stdinterfaces v11.0.1
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2596b330bd7fc3829e602881089a9a6885273c8802867ab0ca2cf4368da8071
[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" "c2596b330bd7fc3829e602881089a9a6885273c8802867ab0ca2cf4368da8071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2596b330bd7fc3829e602881089a9a6885273c8802867ab0ca2cf4368da8071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2596b330bd7fc3829e602881089a9a6885273c8802867ab0ca2cf4368da8071", kill_on_drop: false }`
[INFO] [stdout] c2596b330bd7fc3829e602881089a9a6885273c8802867ab0ca2cf4368da8071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 381d3f45ea3d757cc9e8075421d8064bef2b346594447f59fb5b2bedbabf06ed
[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" "381d3f45ea3d757cc9e8075421d8064bef2b346594447f59fb5b2bedbabf06ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]    Compiling varlink_parser v4.0.4
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling chainerror v0.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling peg v0.6.2
[INFO] [stderr]    Compiling varlink_generator v9.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling varlink_stdinterfaces v11.0.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking varlink v11.0.0
[INFO] [stderr]     Checking colored_json v2.1.0
[INFO] [stderr]     Checking escargot v0.5.0
[INFO] [stderr]     Checking varlink-cli v4.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.96s
[INFO] running `Command { std: "docker" "inspect" "381d3f45ea3d757cc9e8075421d8064bef2b346594447f59fb5b2bedbabf06ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381d3f45ea3d757cc9e8075421d8064bef2b346594447f59fb5b2bedbabf06ed", kill_on_drop: false }`
[INFO] [stdout] 381d3f45ea3d757cc9e8075421d8064bef2b346594447f59fb5b2bedbabf06ed