[INFO] fetching crate curl-easybuilder 0.1.0...
[INFO] checking curl-easybuilder-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate curl-easybuilder 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate curl-easybuilder 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curl-easybuilder 0.1.0
[INFO] finished tweaking crates.io crate curl-easybuilder 0.1.0
[INFO] tweaked toml for crates.io crate curl-easybuilder 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21edc0e8f01793c6a5237fd8dc0550372ae2d2e55a95348a6d3444bf0c457923
[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" "21edc0e8f01793c6a5237fd8dc0550372ae2d2e55a95348a6d3444bf0c457923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21edc0e8f01793c6a5237fd8dc0550372ae2d2e55a95348a6d3444bf0c457923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21edc0e8f01793c6a5237fd8dc0550372ae2d2e55a95348a6d3444bf0c457923", kill_on_drop: false }`
[INFO] [stdout] 21edc0e8f01793c6a5237fd8dc0550372ae2d2e55a95348a6d3444bf0c457923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0700acb8765611c43cb2a70e3183067ffb4f514f5687fbbd16af12b5d68c7727
[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" "0700acb8765611c43cb2a70e3183067ffb4f514f5687fbbd16af12b5d68c7727", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling curl v0.4.36
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling curl-sys v0.4.42+curl-7.76.0
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking curl-easybuilder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         types {
[INFO] [stdout] 13 | |             BuildError, ErrorKind, ResultExt, BuildResult;
[INFO] [stdout] 14 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         types {
[INFO] [stdout] 13 | |             BuildError, ErrorKind, ResultExt, BuildResult;
[INFO] [stdout] 14 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         types {
[INFO] [stdout] 13 | |             BuildError, ErrorKind, ResultExt, BuildResult;
[INFO] [stdout] 14 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         types {
[INFO] [stdout] 13 | |             BuildError, ErrorKind, ResultExt, BuildResult;
[INFO] [stdout] 14 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/easy.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/easy.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.24s
[INFO] running `Command { std: "docker" "inspect" "0700acb8765611c43cb2a70e3183067ffb4f514f5687fbbd16af12b5d68c7727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0700acb8765611c43cb2a70e3183067ffb4f514f5687fbbd16af12b5d68c7727", kill_on_drop: false }`
[INFO] [stdout] 0700acb8765611c43cb2a70e3183067ffb4f514f5687fbbd16af12b5d68c7727