[INFO] fetching crate distiller 2.0.0...
[INFO] checking distiller-2.0.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate distiller 2.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate distiller 2.0.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate distiller 2.0.0
[INFO] finished tweaking crates.io crate distiller 2.0.0
[INFO] tweaked toml for crates.io crate distiller 2.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate distiller 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded detect-lang v0.1.5
[INFO] [stderr]   Downloaded rusqlite v0.24.0
[INFO] [stderr]   Downloaded line-span v0.1.2
[INFO] [stderr]   Downloaded serde_rusqlite v0.26.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.20.0
[INFO] [stderr]   Downloaded comment-parser v0.1.0
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94b44a258a182eb39b53475ee91b1c5ac0578ad5c408a6b09bb8851d1962a7f4
[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" "94b44a258a182eb39b53475ee91b1c5ac0578ad5c408a6b09bb8851d1962a7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94b44a258a182eb39b53475ee91b1c5ac0578ad5c408a6b09bb8851d1962a7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b44a258a182eb39b53475ee91b1c5ac0578ad5c408a6b09bb8851d1962a7f4", kill_on_drop: false }`
[INFO] [stdout] 94b44a258a182eb39b53475ee91b1c5ac0578ad5c408a6b09bb8851d1962a7f4
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02ab89f30415170ca0fb8273d279efdb550475d68d37779a46b0e2b0772ebf79
[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" "02ab89f30415170ca0fb8273d279efdb550475d68d37779a46b0e2b0772ebf79", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking detect-lang v0.1.5
[INFO] [stderr]     Checking line-span v0.1.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking comment-parser v0.1.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.25
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking rusqlite v0.24.0
[INFO] [stderr]     Checking pin-project v0.4.25
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_rusqlite v0.26.0
[INFO] [stderr]     Checking distiller v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "02ab89f30415170ca0fb8273d279efdb550475d68d37779a46b0e2b0772ebf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ab89f30415170ca0fb8273d279efdb550475d68d37779a46b0e2b0772ebf79", kill_on_drop: false }`
[INFO] [stdout] 02ab89f30415170ca0fb8273d279efdb550475d68d37779a46b0e2b0772ebf79