[INFO] fetching crate itaf 0.1.0...
[INFO] testing itaf-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate itaf 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate itaf 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate itaf 0.1.0
[INFO] tweaked toml for crates.io crate itaf 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate itaf 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate itaf 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bcd8ae9ebe25d53853e49306f20371a9f5fcc2c46b8c3afbe3e4d123e3b65bd
[INFO] running `Command { std: "docker" "start" "-a" "0bcd8ae9ebe25d53853e49306f20371a9f5fcc2c46b8c3afbe3e4d123e3b65bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bcd8ae9ebe25d53853e49306f20371a9f5fcc2c46b8c3afbe3e4d123e3b65bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcd8ae9ebe25d53853e49306f20371a9f5fcc2c46b8c3afbe3e4d123e3b65bd", kill_on_drop: false }`
[INFO] [stdout] 0bcd8ae9ebe25d53853e49306f20371a9f5fcc2c46b8c3afbe3e4d123e3b65bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5946ab8b8affe1f19f205529a055e25c1a6b6213bcf2db1a5baab3db0638e2d3
[INFO] running `Command { std: "docker" "start" "-a" "5946ab8b8affe1f19f205529a055e25c1a6b6213bcf2db1a5baab3db0638e2d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling crc v3.4.0
[INFO] [stderr]    Compiling itaf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "5946ab8b8affe1f19f205529a055e25c1a6b6213bcf2db1a5baab3db0638e2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5946ab8b8affe1f19f205529a055e25c1a6b6213bcf2db1a5baab3db0638e2d3", kill_on_drop: false }`
[INFO] [stdout] 5946ab8b8affe1f19f205529a055e25c1a6b6213bcf2db1a5baab3db0638e2d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8557dec85818fdd4f76b94a340d398dabf52a6f0038b98c6a14b9bee75e1d8cf
[INFO] running `Command { std: "docker" "start" "-a" "8557dec85818fdd4f76b94a340d398dabf52a6f0038b98c6a14b9bee75e1d8cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling itaf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `io` in this scope
[INFO] [stdout]   --> examples/writing.rs:39:67
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_recursive(encoder: &mut ItafEncoder<File>, path: &Path) -> io::Result<()> {
[INFO] [stdout]    |                                                                   ^^ use of unresolved module or unlinked crate `io`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `io`, use `cargo add io` to add it to your `Cargo.toml`
[INFO] [stdout] help: a builtin type with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 39 - fn add_recursive(encoder: &mut ItafEncoder<File>, path: &Path) -> io::Result<()> {
[INFO] [stdout] 39 + fn add_recursive(encoder: &mut ItafEncoder<File>, path: &Path) -> i8::Result<()> {
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itaf` (example "writing") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> examples/reading.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 |             ArchiveEntry::Directory(dir) => {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8557dec85818fdd4f76b94a340d398dabf52a6f0038b98c6a14b9bee75e1d8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8557dec85818fdd4f76b94a340d398dabf52a6f0038b98c6a14b9bee75e1d8cf", kill_on_drop: false }`
[INFO] [stdout] 8557dec85818fdd4f76b94a340d398dabf52a6f0038b98c6a14b9bee75e1d8cf