[INFO] cloning repository https://github.com/hjiayz/upgradedb4pg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hjiayz/upgradedb4pg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjiayz%2Fupgradedb4pg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjiayz%2Fupgradedb4pg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbe15f839070cb1ad1a6c76e3b21842cf84d2784
[INFO] checking hjiayz/upgradedb4pg against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjiayz%2Fupgradedb4pg" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hjiayz/upgradedb4pg on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hjiayz/upgradedb4pg
[INFO] finished tweaking git repo https://github.com/hjiayz/upgradedb4pg
[INFO] tweaked toml for git repo https://github.com/hjiayz/upgradedb4pg written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hjiayz/upgradedb4pg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] ef926766dd9f51bdbc8b09366e73754996c941dadcc79024ae9e80cfa7452700
[INFO] running `Command { std: "docker" "start" "-a" "ef926766dd9f51bdbc8b09366e73754996c941dadcc79024ae9e80cfa7452700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef926766dd9f51bdbc8b09366e73754996c941dadcc79024ae9e80cfa7452700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef926766dd9f51bdbc8b09366e73754996c941dadcc79024ae9e80cfa7452700", kill_on_drop: false }`
[INFO] [stdout] ef926766dd9f51bdbc8b09366e73754996c941dadcc79024ae9e80cfa7452700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] b845e692c9d432c0f182106079361bc092e66867156af666dc30576e596fff8b
[INFO] running `Command { std: "docker" "start" "-a" "b845e692c9d432c0f182106079361bc092e66867156af666dc30576e596fff8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking rustyline v2.1.0
[INFO] [stdout] error[E0283]: type annotations needed for `std::result::Result<std::string::String, error::ReadlineError>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/lib.rs:639:43
[INFO] [stdout]     |
[INFO] [stdout] 636 |     let user_input = readline_edit(prompt, initial, editor, &original_mode);
[INFO] [stdout]     |         ---------- consider giving `user_input` the explicit type `std::result::Result<std::string::String, error::ReadlineError>`, where the type parameter `std::string::String` is specified
[INFO] [stdout] ...
[INFO] [stdout] 639 |             editor.add_history_entry(line.as_ref());
[INFO] [stdout]     |                                           ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/history.rs:150:33
[INFO] [stdout]     |
[INFO] [stdout] 150 |             self.add(try!(line).as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                      -----------^^^^^^--
[INFO] [stdout]     |                      |          |
[INFO] [stdout]     |                      |          cannot infer type for struct `std::string::String`
[INFO] [stdout]     |                      this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustyline`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b845e692c9d432c0f182106079361bc092e66867156af666dc30576e596fff8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b845e692c9d432c0f182106079361bc092e66867156af666dc30576e596fff8b", kill_on_drop: false }`
[INFO] [stdout] b845e692c9d432c0f182106079361bc092e66867156af666dc30576e596fff8b