[INFO] fetching crate icacher 0.1.4...
[INFO] testing icacher-0.1.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate icacher 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate icacher 0.1.4
[INFO] finished tweaking crates.io crate icacher 0.1.4
[INFO] tweaked toml for crates.io crate icacher 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icacher 0.1.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79ab92b926f48e2bba6696e771e8305edba9638258659d644957e0160632f6ed
[INFO] running `Command { std: "docker" "start" "-a" "79ab92b926f48e2bba6696e771e8305edba9638258659d644957e0160632f6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79ab92b926f48e2bba6696e771e8305edba9638258659d644957e0160632f6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ab92b926f48e2bba6696e771e8305edba9638258659d644957e0160632f6ed", kill_on_drop: false }`
[INFO] [stdout] 79ab92b926f48e2bba6696e771e8305edba9638258659d644957e0160632f6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b07748a6fd6d23c29b37f621740fff404699b4e2be6f5a1a63d3d772aad4a60
[INFO] running `Command { std: "docker" "start" "-a" "3b07748a6fd6d23c29b37f621740fff404699b4e2be6f5a1a63d3d772aad4a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling icacher v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3b07748a6fd6d23c29b37f621740fff404699b4e2be6f5a1a63d3d772aad4a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b07748a6fd6d23c29b37f621740fff404699b4e2be6f5a1a63d3d772aad4a60", kill_on_drop: false }`
[INFO] [stdout] 3b07748a6fd6d23c29b37f621740fff404699b4e2be6f5a1a63d3d772aad4a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47da529e5cf0ac761fba9d9b2d02a5d82d345d7521f0f04141781808246da446
[INFO] running `Command { std: "docker" "start" "-a" "47da529e5cf0ac761fba9d9b2d02a5d82d345d7521f0f04141781808246da446", kill_on_drop: false }`
[INFO] [stderr]    Compiling icacher v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "47da529e5cf0ac761fba9d9b2d02a5d82d345d7521f0f04141781808246da446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47da529e5cf0ac761fba9d9b2d02a5d82d345d7521f0f04141781808246da446", kill_on_drop: false }`
[INFO] [stdout] 47da529e5cf0ac761fba9d9b2d02a5d82d345d7521f0f04141781808246da446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51ddbe97be70ed41e18ae782dc573e42796239a300affbcc17a8987d04d4738d
[INFO] running `Command { std: "docker" "start" "-a" "51ddbe97be70ed41e18ae782dc573e42796239a300affbcc17a8987d04d4738d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/icacher-5a4fe0b9bbdebd5b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests icacher
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - ICacher<IFunc,IType,IReturn>::cache_if (line 230) ... FAILED
[INFO] [stdout] test src/lib.rs - ICacher<IFunc,IType,IReturn>::with_arg (line 141) ... FAILED
[INFO] [stdout] test src/lib.rs - ICacher<IFunc,IType,IReturn>::remove_cache (line 195) ... ok
[INFO] [stdout] test src/lib.rs - ICacher<IFunc,IType,IReturn>::new (line 122) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ICacher<IFunc,IType,IReturn>::cache_if (line 230) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:233:58
[INFO] [stdout]     |
[INFO] [stdout]   6 | let mut adder = ICacher::new(|(a, b): (i32, i32)| a + b, 1);
[INFO] [stdout]     |                 ------------                             ^ expected `Option<usize>`, found integer
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<usize>`
[INFO] [stdout]                found type `{integer}`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn new(func: IFunc, capacity: Option<usize>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]     |
[INFO] [stdout]   6 | let mut adder = ICacher::new(|(a, b): (i32, i32)| a + b, Some(1));
[INFO] [stdout]     |                                                          +++++ +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ICacher<IFunc,IType,IReturn>::with_arg (line 141) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:145:46
[INFO] [stdout]     |
[INFO] [stdout]   7 | let mut adder = ICacher::new(|(a, b)| a + b, 1);
[INFO] [stdout]     |                 ------------                 ^ expected `Option<usize>`, found integer
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<usize>`
[INFO] [stdout]                found type `{integer}`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn new(func: IFunc, capacity: Option<usize>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]     |
[INFO] [stdout]   7 | let mut adder = ICacher::new(|(a, b)| a + b, Some(1));
[INFO] [stdout]     |                                              +++++ +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - ICacher<IFunc,IType,IReturn>::cache_if (line 230)
[INFO] [stdout]     src/lib.rs - ICacher<IFunc,IType,IReturn>::with_arg (line 141)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "51ddbe97be70ed41e18ae782dc573e42796239a300affbcc17a8987d04d4738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ddbe97be70ed41e18ae782dc573e42796239a300affbcc17a8987d04d4738d", kill_on_drop: false }`
[INFO] [stdout] 51ddbe97be70ed41e18ae782dc573e42796239a300affbcc17a8987d04d4738d