[INFO] crate hex-buffer-serde 0.2.1 is already in cache
[INFO] checking hex-buffer-serde-0.2.1 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate hex-buffer-serde 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hex-buffer-serde 0.2.1 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hex-buffer-serde 0.2.1
[INFO] finished tweaking crates.io crate hex-buffer-serde 0.2.1
[INFO] tweaked toml for crates.io crate hex-buffer-serde 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate hex-buffer-serde 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcc0e542d5ed75a374e366669b5d06f80ab1db87e8a9537f52e241e8ccd8460c
[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" "dcc0e542d5ed75a374e366669b5d06f80ab1db87e8a9537f52e241e8ccd8460c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc0e542d5ed75a374e366669b5d06f80ab1db87e8a9537f52e241e8ccd8460c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc0e542d5ed75a374e366669b5d06f80ab1db87e8a9537f52e241e8ccd8460c", kill_on_drop: false }`
[INFO] [stdout] dcc0e542d5ed75a374e366669b5d06f80ab1db87e8a9537f52e241e8ccd8460c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd84715ccbbb980e293a2b07c2a7fac95be7850d8cc7859f030905483aef87d6
[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" "cd84715ccbbb980e293a2b07c2a7fac95be7850d8cc7859f030905483aef87d6", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking half v1.5.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking hex-buffer-serde v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.69s
[INFO] running `Command { std: "docker" "inspect" "cd84715ccbbb980e293a2b07c2a7fac95be7850d8cc7859f030905483aef87d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd84715ccbbb980e293a2b07c2a7fac95be7850d8cc7859f030905483aef87d6", kill_on_drop: false }`
[INFO] [stdout] cd84715ccbbb980e293a2b07c2a7fac95be7850d8cc7859f030905483aef87d6