[INFO] fetching crate servant-codec 0.1.0...
[INFO] checking servant-codec-0.1.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate servant-codec 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate servant-codec 0.1.0 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 servant-codec 0.1.0
[INFO] finished tweaking crates.io crate servant-codec 0.1.0
[INFO] tweaked toml for crates.io crate servant-codec 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate servant-codec 0.1.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded pin-project v0.4.6
[INFO] [stderr]   Downloaded pin-project-internal v0.4.6
[INFO] [stderr]   Downloaded futures_codec v0.3.4
[INFO] [stderr]   Downloaded bumpalo v3.1.2
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded test-case v1.0.0-alpha-1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 3f4b01924a909adf685079652e1caad4d79d4eff318426a0a4854d8a2906f35f
[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" "3f4b01924a909adf685079652e1caad4d79d4eff318426a0a4854d8a2906f35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f4b01924a909adf685079652e1caad4d79d4eff318426a0a4854d8a2906f35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4b01924a909adf685079652e1caad4d79d4eff318426a0a4854d8a2906f35f", kill_on_drop: false }`
[INFO] [stdout] 3f4b01924a909adf685079652e1caad4d79d4eff318426a0a4854d8a2906f35f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a6081bdda4085a12f299f2c9b00ccf3e95b67a08045d9d8a70bf5d81f0a1c3aa
[INFO] running `Command { std: "docker" "start" "-a" "a6081bdda4085a12f299f2c9b00ccf3e95b67a08045d9d8a70bf5d81f0a1c3aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling test-case v1.0.0-alpha-1
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking servant-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.77s
[INFO] running `Command { std: "docker" "inspect" "a6081bdda4085a12f299f2c9b00ccf3e95b67a08045d9d8a70bf5d81f0a1c3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6081bdda4085a12f299f2c9b00ccf3e95b67a08045d9d8a70bf5d81f0a1c3aa", kill_on_drop: false }`
[INFO] [stdout] a6081bdda4085a12f299f2c9b00ccf3e95b67a08045d9d8a70bf5d81f0a1c3aa