[INFO] fetching crate vemigrate-cli 0.3.1...
[INFO] checking vemigrate-cli-0.3.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate vemigrate-cli 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vemigrate-cli 0.3.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vemigrate-cli 0.3.1
[INFO] finished tweaking crates.io crate vemigrate-cli 0.3.1
[INFO] tweaked toml for crates.io crate vemigrate-cli 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate vemigrate-cli 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] b8c3e385e4b7287ad14e320551c97dd04a1cb87302ccded30f32ae0d899e85cb
[INFO] running `Command { std: "docker" "start" "-a" "b8c3e385e4b7287ad14e320551c97dd04a1cb87302ccded30f32ae0d899e85cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c3e385e4b7287ad14e320551c97dd04a1cb87302ccded30f32ae0d899e85cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c3e385e4b7287ad14e320551c97dd04a1cb87302ccded30f32ae0d899e85cb", kill_on_drop: false }`
[INFO] [stdout] b8c3e385e4b7287ad14e320551c97dd04a1cb87302ccded30f32ae0d899e85cb
[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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a13d684dc94afb976acf225372ed78a3ffc17e2d6a74c2e7270b53aa8583be0
[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" "6a13d684dc94afb976acf225372ed78a3ffc17e2d6a74c2e7270b53aa8583be0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vemigrate v0.3.1
[INFO] [stderr]     Checking lz4-compress v0.1.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling proc-macro2 v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.3
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]    Compiling cdrs_helpers_derive v0.3.0
[INFO] [stderr]     Checking cdrs v2.3.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking vemigrate-cli v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.99s
[INFO] running `Command { std: "docker" "inspect" "6a13d684dc94afb976acf225372ed78a3ffc17e2d6a74c2e7270b53aa8583be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a13d684dc94afb976acf225372ed78a3ffc17e2d6a74c2e7270b53aa8583be0", kill_on_drop: false }`
[INFO] [stdout] 6a13d684dc94afb976acf225372ed78a3ffc17e2d6a74c2e7270b53aa8583be0