[INFO] fetching crate warden_postgres 0.0.1...
[INFO] checking warden_postgres-0.0.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate warden_postgres 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate warden_postgres 0.0.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warden_postgres 0.0.1
[INFO] finished tweaking crates.io crate warden_postgres 0.0.1
[INFO] tweaked toml for crates.io crate warden_postgres 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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 postgres-shared v0.4.2
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded fallible-iterator v0.1.6
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded libflate v0.1.27
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded postgres-protocol v0.3.2
[INFO] [stderr]   Downloaded postgres v0.15.2
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded path_abs v0.4.1
[INFO] [stderr]   Downloaded skimmer v0.0.2
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded base91 v0.0.1
[INFO] [stderr]   Downloaded fraction v0.6.3
[INFO] [stderr]   Downloaded warden_core v0.0.1
[INFO] [stderr]   Downloaded keccak v0.1.0
[INFO] [stderr]   Downloaded hmac v0.5.0
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded crypto-mac v0.5.2
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded yamlette v0.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e25e6f58c933d89b913e01b97635577b77fbca4717b317cec492966f42357e
[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" "26e25e6f58c933d89b913e01b97635577b77fbca4717b317cec492966f42357e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e25e6f58c933d89b913e01b97635577b77fbca4717b317cec492966f42357e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e25e6f58c933d89b913e01b97635577b77fbca4717b317cec492966f42357e", kill_on_drop: false }`
[INFO] [stdout] 26e25e6f58c933d89b913e01b97635577b77fbca4717b317cec492966f42357e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c36ad6a9506617941281224e1a34544df0f6180cab84e392ef9d29c297755bf7
[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" "c36ad6a9506617941281224e1a34544df0f6180cab84e392ef9d29c297755bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]     Checking skimmer v0.0.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking fraction v0.6.3
[INFO] [stderr]     Checking path_abs v0.4.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]    Compiling warden_postgres v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking yamlette v0.0.8
[INFO] [stderr]     Checking warden_core v0.0.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/driver.rs:19:56
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn open_connection(&self, url: &str) -> Result<Box<Connection>, Error> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: use `dyn`: `dyn Connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/driver.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new(&self) -> Box<Driver> {
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Driver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/driver.rs:19:56
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn open_connection(&self, url: &str) -> Result<Box<Connection>, Error> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: use `dyn`: `dyn Connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/driver.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new(&self) -> Box<Driver> {
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Driver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.71s
[INFO] running `Command { std: "docker" "inspect" "c36ad6a9506617941281224e1a34544df0f6180cab84e392ef9d29c297755bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36ad6a9506617941281224e1a34544df0f6180cab84e392ef9d29c297755bf7", kill_on_drop: false }`
[INFO] [stdout] c36ad6a9506617941281224e1a34544df0f6180cab84e392ef9d29c297755bf7