[INFO] cloning repository https://github.com/bhamrick/rust_splay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bhamrick/rust_splay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhamrick%2Frust_splay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhamrick%2Frust_splay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90b77d8f7206999f6caedf03ffcc5c5b95bbde9d
[INFO] checking bhamrick/rust_splay against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhamrick%2Frust_splay" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bhamrick/rust_splay on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bhamrick/rust_splay
[INFO] finished tweaking git repo https://github.com/bhamrick/rust_splay
[INFO] tweaked toml for git repo https://github.com/bhamrick/rust_splay written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bhamrick/rust_splay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f81e9104a0256681b330e7f8198fac2bb0c2d8d18939988f4bee89f568fe2ef3
[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" "f81e9104a0256681b330e7f8198fac2bb0c2d8d18939988f4bee89f568fe2ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f81e9104a0256681b330e7f8198fac2bb0c2d8d18939988f4bee89f568fe2ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81e9104a0256681b330e7f8198fac2bb0c2d8d18939988f4bee89f568fe2ef3", kill_on_drop: false }`
[INFO] [stdout] f81e9104a0256681b330e7f8198fac2bb0c2d8d18939988f4bee89f568fe2ef3
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 507864e95f6ae459731bbb902b5eb925d2cbc3d8c8b1582097e9f477cf82daa8
[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" "507864e95f6ae459731bbb902b5eb925d2cbc3d8c8b1582097e9f477cf82daa8", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_splay 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/main.rs:788:65
[INFO] [stdout]     |
[INFO] [stdout] 788 |         Err(why) => panic!("Could not open input file: {}", why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/main.rs:793:66
[INFO] [stdout]     |
[INFO] [stdout] 793 |         Err(why) => panic!("Could not open output file: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[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/main.rs:800:58
[INFO] [stdout]     |
[INFO] [stdout] 800 |         Err(why) => panic!("Error reading data: {}", why.description()),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:803:42
[INFO] [stdout]     |
[INFO] [stdout] 803 |     let line1_tokens : Vec<&str> = line1.trim_right().split(' ').collect();
[INFO] [stdout]     |                                          ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[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/main.rs:805:58
[INFO] [stdout]     |
[INFO] [stdout] 805 |         Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[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/main.rs:809:58
[INFO] [stdout]     |
[INFO] [stdout] 809 |         Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[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/main.rs:816:62
[INFO] [stdout]     |
[INFO] [stdout] 816 |             Err(why) => panic!("Error reading data: {}", why.description()),
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:819:39
[INFO] [stdout]     |
[INFO] [stdout] 819 |         let tokens : Vec<&str> = line.trim_right().split(' ').collect();
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[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/main.rs:822:66
[INFO] [stdout]     |
[INFO] [stdout] 822 |                 Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[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/main.rs:829:66
[INFO] [stdout]     |
[INFO] [stdout] 829 |                 Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[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/main.rs:839:66
[INFO] [stdout]     |
[INFO] [stdout] 839 |                 Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[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/main.rs:843:66
[INFO] [stdout]     |
[INFO] [stdout] 843 |                 Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[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/main.rs:788:65
[INFO] [stdout]     |
[INFO] [stdout] 788 |         Err(why) => panic!("Could not open input file: {}", why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/main.rs:793:66
[INFO] [stdout]     |
[INFO] [stdout] 793 |         Err(why) => panic!("Could not open output file: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[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/main.rs:800:58
[INFO] [stdout]     |
[INFO] [stdout] 800 |         Err(why) => panic!("Error reading data: {}", why.description()),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:803:42
[INFO] [stdout]     |
[INFO] [stdout] 803 |     let line1_tokens : Vec<&str> = line1.trim_right().split(' ').collect();
[INFO] [stdout]     |                                          ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[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/main.rs:805:58
[INFO] [stdout]     |
[INFO] [stdout] 805 |         Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[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/main.rs:809:58
[INFO] [stdout]     |
[INFO] [stdout] 809 |         Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[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/main.rs:816:62
[INFO] [stdout]     |
[INFO] [stdout] 816 |             Err(why) => panic!("Error reading data: {}", why.description()),
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:819:39
[INFO] [stdout]     |
[INFO] [stdout] 819 |         let tokens : Vec<&str> = line.trim_right().split(' ').collect();
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[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/main.rs:822:66
[INFO] [stdout]     |
[INFO] [stdout] 822 |                 Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[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/main.rs:829:66
[INFO] [stdout]     |
[INFO] [stdout] 829 |                 Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[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/main.rs:839:66
[INFO] [stdout]     |
[INFO] [stdout] 839 |                 Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[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/main.rs:843:66
[INFO] [stdout]     |
[INFO] [stdout] 843 |                 Err(why) => panic!("Error parsing data: {}", why.description()),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "507864e95f6ae459731bbb902b5eb925d2cbc3d8c8b1582097e9f477cf82daa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507864e95f6ae459731bbb902b5eb925d2cbc3d8c8b1582097e9f477cf82daa8", kill_on_drop: false }`
[INFO] [stdout] 507864e95f6ae459731bbb902b5eb925d2cbc3d8c8b1582097e9f477cf82daa8