[INFO] cloning repository https://github.com/cprohoda/contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cprohoda/contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcprohoda%2Fcontract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcprohoda%2Fcontract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be0880de8b233b524a7708309e2b79984f48a1f1
[INFO] checking cprohoda/contract against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcprohoda%2Fcontract" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cprohoda/contract on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cprohoda/contract
[INFO] finished tweaking git repo https://github.com/cprohoda/contract
[INFO] tweaked toml for git repo https://github.com/cprohoda/contract written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cprohoda/contract already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/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[INFO] the lockfile is outdated, regenerating it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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket v0.2.11
[INFO] [stderr]   Downloaded yansi v0.3.4
[INFO] [stderr]   Downloaded rocket_codegen v0.2.11
[INFO] [stderr]   Downloaded state v0.2.2
[INFO] [stderr]   Downloaded cookie v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] d8ac4c27b3043c3ff751057bf3092df153c3a1c239d334e22a40776331d8ab6a
[INFO] running `Command { std: "docker" "start" "-a" "d8ac4c27b3043c3ff751057bf3092df153c3a1c239d334e22a40776331d8ab6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8ac4c27b3043c3ff751057bf3092df153c3a1c239d334e22a40776331d8ab6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ac4c27b3043c3ff751057bf3092df153c3a1c239d334e22a40776331d8ab6a", kill_on_drop: false }`
[INFO] [stdout] d8ac4c27b3043c3ff751057bf3092df153c3a1c239d334e22a40776331d8ab6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b73509eb75341cf64673b22e41c98f3bc7644022c700013d19a48e6ca46d93
[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" "43b73509eb75341cf64673b22e41c98f3bc7644022c700013d19a48e6ca46d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling state v0.2.2
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling rocket v0.2.11
[INFO] [stderr]    Compiling rocket_codegen v0.2.11
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking cookie v0.6.2
[INFO] [stdout] error[E0432]: unresolved import `std::net::lookup_host`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.11/src/config/config.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{IpAddr, lookup_host};
[INFO] [stdout]   |                        ^^^^^^^^^^^ no `lookup_host` in `net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.11/src/http/header.rs:480:47
[INFO] [stdout]     |
[INFO] [stdout] 480 |                 Header::new(key.as_str(), val.borrow())
[INFO] [stdout]     |                                           ----^^^^^^--
[INFO] [stdout]     |                                           |   |
[INFO] [stdout]     |                                           |   cannot infer type for type parameter `Borrowed` declared on the trait `Borrow`
[INFO] [stdout]     |                                           this method call resolves to `&Borrowed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `Cow<'_, str>: Borrow<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::net::lookup_host`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.11/src/config/config.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{IpAddr, lookup_host};
[INFO] [stdout]   |                        ^^^^^^^^^^^ no `lookup_host` in `net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rocket`
[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] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.11/src/http/header.rs:480:47
[INFO] [stdout]     |
[INFO] [stdout] 480 |                 Header::new(key.as_str(), val.borrow())
[INFO] [stdout]     |                                           ----^^^^^^--
[INFO] [stdout]     |                                           |   |
[INFO] [stdout]     |                                           |   cannot infer type for type parameter `Borrowed` declared on the trait `Borrow`
[INFO] [stdout]     |                                           this method call resolves to `&Borrowed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `Cow<'_, str>: Borrow<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "43b73509eb75341cf64673b22e41c98f3bc7644022c700013d19a48e6ca46d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b73509eb75341cf64673b22e41c98f3bc7644022c700013d19a48e6ca46d93", kill_on_drop: false }`
[INFO] [stdout] 43b73509eb75341cf64673b22e41c98f3bc7644022c700013d19a48e6ca46d93