[INFO] fetching crate warden_postgres 0.0.1...
[INFO] checking warden_postgres-0.0.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate warden_postgres 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate warden_postgres 0.0.1 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 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-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]  Downloading crates ...
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded postgres-protocol v0.3.2
[INFO] [stderr]   Downloaded postgres v0.15.2
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded fallible-iterator v0.1.6
[INFO] [stderr]   Downloaded path_abs v0.4.1
[INFO] [stderr]   Downloaded fraction v0.6.3
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded postgres-shared v0.4.2
[INFO] [stderr]   Downloaded warden_core v0.0.1
[INFO] [stderr]   Downloaded base91 v0.0.1
[INFO] [stderr]   Downloaded yamlette v0.0.8
[INFO] [stderr]   Downloaded skimmer v0.0.2
[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] c778ecf7a15071515353aea3ae2fb67a606a2856e15dc92f83b589c69595207d
[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" "c778ecf7a15071515353aea3ae2fb67a606a2856e15dc92f83b589c69595207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c778ecf7a15071515353aea3ae2fb67a606a2856e15dc92f83b589c69595207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c778ecf7a15071515353aea3ae2fb67a606a2856e15dc92f83b589c69595207d", kill_on_drop: false }`
[INFO] [stdout] c778ecf7a15071515353aea3ae2fb67a606a2856e15dc92f83b589c69595207d
[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] 941c322e79f61e301f1a38cf5f198318e84d27027adb48d29a89144723be396a
[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" "941c322e79f61e301f1a38cf5f198318e84d27027adb48d29a89144723be396a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking skimmer v0.0.2
[INFO] [stderr]     Checking base91 v0.0.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling backtrace v0.3.57
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking fraction v0.6.3
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking yamlette v0.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling path_abs v0.4.1
[INFO] [stderr]     Checking warden_core v0.0.1
[INFO] [stderr]    Compiling warden_postgres v0.0.1 (/opt/rustwide/workdir)
[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 36.07s
[INFO] running `Command { std: "docker" "inspect" "941c322e79f61e301f1a38cf5f198318e84d27027adb48d29a89144723be396a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941c322e79f61e301f1a38cf5f198318e84d27027adb48d29a89144723be396a", kill_on_drop: false }`
[INFO] [stdout] 941c322e79f61e301f1a38cf5f198318e84d27027adb48d29a89144723be396a