[INFO] fetching crate trawler 0.11.0-alpha.5...
[INFO] checking trawler-0.11.0-alpha.5 against beta for pr-78714
[INFO] extracting crate trawler 0.11.0-alpha.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate trawler 0.11.0-alpha.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trawler 0.11.0-alpha.5
[INFO] finished tweaking crates.io crate trawler 0.11.0-alpha.5
[INFO] tweaked toml for crates.io crate trawler 0.11.0-alpha.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate trawler 0.11.0-alpha.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 087af266a32364277509b786e77bca49a5a757d1e0b4a9a177860ca055944a19
[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" "087af266a32364277509b786e77bca49a5a757d1e0b4a9a177860ca055944a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087af266a32364277509b786e77bca49a5a757d1e0b4a9a177860ca055944a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087af266a32364277509b786e77bca49a5a757d1e0b4a9a177860ca055944a19", kill_on_drop: false }`
[INFO] [stdout] 087af266a32364277509b786e77bca49a5a757d1e0b4a9a177860ca055944a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80ad1a71eb44ee3561438d0d1cfb278e95e24163dec9ea718b46abb94b783dd
[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" "f80ad1a71eb44ee3561438d0d1cfb278e95e24163dec9ea718b46abb94b783dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling trawler v0.11.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking zipf v6.1.0
[INFO] [stderr]     Checking histogram-sampler v0.4.0
[INFO] [stderr]     Checking hdrhistogram v7.1.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.7
[INFO] [stderr]     Checking cookie v0.13.3
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.02s
[INFO] running `Command { std: "docker" "inspect" "f80ad1a71eb44ee3561438d0d1cfb278e95e24163dec9ea718b46abb94b783dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80ad1a71eb44ee3561438d0d1cfb278e95e24163dec9ea718b46abb94b783dd", kill_on_drop: false }`
[INFO] [stdout] f80ad1a71eb44ee3561438d0d1cfb278e95e24163dec9ea718b46abb94b783dd