[INFO] fetching crate squark-stdweb 0.5.0...
[INFO] checking squark-stdweb-0.5.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate squark-stdweb 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate squark-stdweb 0.5.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate squark-stdweb 0.5.0
[INFO] finished tweaking crates.io crate squark-stdweb 0.5.0
[INFO] tweaked toml for crates.io crate squark-stdweb 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded squark v0.5.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e9fd29c680e3e507b71e5db7e7559a13533351a6f3c5c2245e14ab2406acf8
[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" "26e9fd29c680e3e507b71e5db7e7559a13533351a6f3c5c2245e14ab2406acf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e9fd29c680e3e507b71e5db7e7559a13533351a6f3c5c2245e14ab2406acf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e9fd29c680e3e507b71e5db7e7559a13533351a6f3c5c2245e14ab2406acf8", kill_on_drop: false }`
[INFO] [stdout] 26e9fd29c680e3e507b71e5db7e7559a13533351a6f3c5c2245e14ab2406acf8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85e9c8302ea3e5453c39a9a8916ba9648bdb5d97eeb87dc6c4ccc2ff71e39e9e
[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" "85e9c8302ea3e5453c39a9a8916ba9648bdb5d97eeb87dc6c4ccc2ff71e39e9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking squark v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking squark-stdweb v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.98s
[INFO] running `Command { std: "docker" "inspect" "85e9c8302ea3e5453c39a9a8916ba9648bdb5d97eeb87dc6c4ccc2ff71e39e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e9c8302ea3e5453c39a9a8916ba9648bdb5d97eeb87dc6c4ccc2ff71e39e9e", kill_on_drop: false }`
[INFO] [stdout] 85e9c8302ea3e5453c39a9a8916ba9648bdb5d97eeb87dc6c4ccc2ff71e39e9e