[INFO] fetching crate ef 0.0.0...
[INFO] checking ef-0.0.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate ef 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ef 0.0.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ef 0.0.0
[INFO] finished tweaking crates.io crate ef 0.0.0
[INFO] tweaked toml for crates.io crate ef 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ef 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concat-with v0.2.5
[INFO] [stderr]   Downloaded lazy-static-include v3.0.5
[INFO] [stderr]   Downloaded path-dedot v3.0.8
[INFO] [stderr]   Downloaded path-absolutize v3.0.7
[INFO] [stderr]   Downloaded slash-formatter v3.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1bf91063954c480da342ed51884ac0ad6673f95a6f11caf9ed13638fe9402f2
[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" "f1bf91063954c480da342ed51884ac0ad6673f95a6f11caf9ed13638fe9402f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1bf91063954c480da342ed51884ac0ad6673f95a6f11caf9ed13638fe9402f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1bf91063954c480da342ed51884ac0ad6673f95a6f11caf9ed13638fe9402f2", kill_on_drop: false }`
[INFO] [stdout] f1bf91063954c480da342ed51884ac0ad6673f95a6f11caf9ed13638fe9402f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ba57ba7ed3ff40fd36f784ccc2c030fd29ec618b4fd1485740d89d877a2076
[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" "c0ba57ba7ed3ff40fd36f784ccc2c030fd29ec618b4fd1485740d89d877a2076", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling slash-formatter v3.1.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking concat-with v0.2.5
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking cow-utils v0.1.2
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking html-escape v0.2.7
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking minifier v0.0.39
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking path-dedot v3.0.8
[INFO] [stderr]     Checking path-absolutize v3.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking lazy-static-include v3.0.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling enum-ordinalize v3.1.9
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling educe v0.4.14
[INFO] [stderr]     Checking comrak v0.9.1
[INFO] [stderr]     Checking html-minifier v3.0.9
[INFO] [stderr]     Checking ef v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.32s
[INFO] running `Command { std: "docker" "inspect" "c0ba57ba7ed3ff40fd36f784ccc2c030fd29ec618b4fd1485740d89d877a2076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ba57ba7ed3ff40fd36f784ccc2c030fd29ec618b4fd1485740d89d877a2076", kill_on_drop: false }`
[INFO] [stdout] c0ba57ba7ed3ff40fd36f784ccc2c030fd29ec618b4fd1485740d89d877a2076