[INFO] fetching crate peekable_reader 0.0.2...
[INFO] testing peekable_reader-0.0.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate peekable_reader 0.0.2 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate peekable_reader 0.0.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peekable_reader 0.0.2
[INFO] finished tweaking crates.io crate peekable_reader 0.0.2
[INFO] tweaked toml for crates.io crate peekable_reader 0.0.2 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf542e7cbb9b731357c093f84a8e337da769470abd3ddf20b5c6c272930ca065
[INFO] running `Command { std: "docker" "start" "-a" "cf542e7cbb9b731357c093f84a8e337da769470abd3ddf20b5c6c272930ca065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf542e7cbb9b731357c093f84a8e337da769470abd3ddf20b5c6c272930ca065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf542e7cbb9b731357c093f84a8e337da769470abd3ddf20b5c6c272930ca065", kill_on_drop: false }`
[INFO] [stdout] cf542e7cbb9b731357c093f84a8e337da769470abd3ddf20b5c6c272930ca065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9a3d63484b86f7a175875d67131eae53f8aa3efaee1a06624071516e84e1ae
[INFO] running `Command { std: "docker" "start" "-a" "8b9a3d63484b86f7a175875d67131eae53f8aa3efaee1a06624071516e84e1ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling peekable_reader v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> src/lib.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::old_io::IoResult;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<R: Reader> PeekableReader<R> {
[INFO] [stdout]    |         ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stdout]   --> src/lib.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<R: Reader> Reader for PeekableReader<R> {
[INFO] [stdout]    |                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Reader` in this scope
[INFO] [stdout]   --> src/lib.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<R: Reader> Reader for PeekableReader<R> {
[INFO] [stdout]    |         ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:79:16
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Ok(try!(self.inner.read(&mut buf[offset..])) + offset)
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peekable_reader` due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8b9a3d63484b86f7a175875d67131eae53f8aa3efaee1a06624071516e84e1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9a3d63484b86f7a175875d67131eae53f8aa3efaee1a06624071516e84e1ae", kill_on_drop: false }`
[INFO] [stdout] 8b9a3d63484b86f7a175875d67131eae53f8aa3efaee1a06624071516e84e1ae