[INFO] fetching crate gapbuffer 0.1.1...
[INFO] testing gapbuffer-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gapbuffer 0.1.1 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate gapbuffer 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gapbuffer 0.1.1
[INFO] finished tweaking crates.io crate gapbuffer 0.1.1
[INFO] tweaked toml for crates.io crate gapbuffer 0.1.1 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6e2e5945a40a142bffba0c623726958f8a3d31e520f31b748ebdc82014b05c4
[INFO] running `Command { std: "docker" "start" "-a" "e6e2e5945a40a142bffba0c623726958f8a3d31e520f31b748ebdc82014b05c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e2e5945a40a142bffba0c623726958f8a3d31e520f31b748ebdc82014b05c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e2e5945a40a142bffba0c623726958f8a3d31e520f31b748ebdc82014b05c4", kill_on_drop: false }`
[INFO] [stdout] e6e2e5945a40a142bffba0c623726958f8a3d31e520f31b748ebdc82014b05c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b2a1c8ec83647d54574ba602ba867aa2bf4a956c64b7c9db76e5e9d1b21bf5c
[INFO] running `Command { std: "docker" "start" "-a" "2b2a1c8ec83647d54574ba602ba867aa2bf4a956c64b7c9db76e5e9d1b21bf5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gapbuffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |             try!(write!(f, "{:?}", fst));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 try!(write!(f, ",{:?}", e));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "2b2a1c8ec83647d54574ba602ba867aa2bf4a956c64b7c9db76e5e9d1b21bf5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2a1c8ec83647d54574ba602ba867aa2bf4a956c64b7c9db76e5e9d1b21bf5c", kill_on_drop: false }`
[INFO] [stdout] 2b2a1c8ec83647d54574ba602ba867aa2bf4a956c64b7c9db76e5e9d1b21bf5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 398b844f0b00c143c7de1aa2c940ae554b233ca2a21735d890c0696cfc91ce06
[INFO] running `Command { std: "docker" "start" "-a" "398b844f0b00c143c7de1aa2c940ae554b233ca2a21735d890c0696cfc91ce06", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gapbuffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |             try!(write!(f, "{:?}", fst));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 try!(write!(f, ",{:?}", e));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/lib.rs:336:18
[INFO] [stdout]     |
[INFO] [stdout] 336 |         for x in range(0, 100) {
[INFO] [stdout]     |                  ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/lib.rs:342:18
[INFO] [stdout]     |
[INFO] [stdout] 342 |         for x in range(0, 100) {
[INFO] [stdout]     |                  ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/lib.rs:353:18
[INFO] [stdout]     |
[INFO] [stdout] 353 |         for x in range(0, 100) {
[INFO] [stdout]     |                  ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/lib.rs:358:25
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let mut index = range(0,100);
[INFO] [stdout]     |                         ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/lib.rs:374:18
[INFO] [stdout]     |
[INFO] [stdout] 374 |         for x in range(0, 100) {
[INFO] [stdout]     |                  ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/lib.rs:378:18
[INFO] [stdout]     |
[INFO] [stdout] 378 |         for x in range(0,100) {
[INFO] [stdout]     |                  ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/lib.rs:391:18
[INFO] [stdout]     |
[INFO] [stdout] 391 |         for x in range(0, 10) {
[INFO] [stdout]     |                  ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/lib.rs:395:18
[INFO] [stdout]     |
[INFO] [stdout] 395 |         for x in range(0,10) {
[INFO] [stdout]     |                  ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |             try!(write!(f, "{:?}", fst));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 try!(write!(f, ",{:?}", e));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gapbuffer` due to 9 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "398b844f0b00c143c7de1aa2c940ae554b233ca2a21735d890c0696cfc91ce06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398b844f0b00c143c7de1aa2c940ae554b233ca2a21735d890c0696cfc91ce06", kill_on_drop: false }`
[INFO] [stdout] 398b844f0b00c143c7de1aa2c940ae554b233ca2a21735d890c0696cfc91ce06