[INFO] fetching crate sapper_session 0.2.0...
[INFO] checking sapper_session-0.2.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate sapper_session 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sapper_session 0.2.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sapper_session 0.2.0
[INFO] finished tweaking crates.io crate sapper_session 0.2.0
[INFO] tweaked toml for crates.io crate sapper_session 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] c813757c0b0ec2323c247d0a67c1db0f9a210ce32f34737075375c3ce0d165c6
[INFO] running `Command { std: "docker" "start" "-a" "c813757c0b0ec2323c247d0a67c1db0f9a210ce32f34737075375c3ce0d165c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c813757c0b0ec2323c247d0a67c1db0f9a210ce32f34737075375c3ce0d165c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c813757c0b0ec2323c247d0a67c1db0f9a210ce32f34737075375c3ce0d165c6", kill_on_drop: false }`
[INFO] [stdout] c813757c0b0ec2323c247d0a67c1db0f9a210ce32f34737075375c3ce0d165c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 788f92c1fe3d3efb2c2fc04ff1f7aa9524f5e1cb5c85a955e0bc57c9a1bf36fb
[INFO] running `Command { std: "docker" "start" "-a" "788f92c1fe3d3efb2c2fc04ff1f7aa9524f5e1cb5c85a955e0bc57c9a1bf36fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking cookie v0.10.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking sapper v0.2.0
[INFO] [stderr]     Checking sapper_session v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.43s
[INFO] running `Command { std: "docker" "inspect" "788f92c1fe3d3efb2c2fc04ff1f7aa9524f5e1cb5c85a955e0bc57c9a1bf36fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788f92c1fe3d3efb2c2fc04ff1f7aa9524f5e1cb5c85a955e0bc57c9a1bf36fb", kill_on_drop: false }`
[INFO] [stdout] 788f92c1fe3d3efb2c2fc04ff1f7aa9524f5e1cb5c85a955e0bc57c9a1bf36fb