[INFO] fetching crate confined_encoding_test 0.9.0-alpha.1...
[INFO] testing confined_encoding_test-0.9.0-alpha.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate confined_encoding_test 0.9.0-alpha.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate confined_encoding_test 0.9.0-alpha.1
[INFO] finished tweaking crates.io crate confined_encoding_test 0.9.0-alpha.1
[INFO] tweaked toml for crates.io crate confined_encoding_test 0.9.0-alpha.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate confined_encoding_test 0.9.0-alpha.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding amplify v3.14.2 (available: v4.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cc78bd2c6256ba101e8e371e17c255b4f321301b23e4e97c6c09579bef48801
[INFO] running `Command { std: "docker" "start" "-a" "8cc78bd2c6256ba101e8e371e17c255b4f321301b23e4e97c6c09579bef48801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc78bd2c6256ba101e8e371e17c255b4f321301b23e4e97c6c09579bef48801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc78bd2c6256ba101e8e371e17c255b4f321301b23e4e97c6c09579bef48801", kill_on_drop: false }`
[INFO] [stdout] 8cc78bd2c6256ba101e8e371e17c255b4f321301b23e4e97c6c09579bef48801
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57c36976df071f3d9e730c113919835853cef14fcf244b9cb478c77896711d29
[INFO] running `Command { std: "docker" "start" "-a" "57c36976df071f3d9e730c113919835853cef14fcf244b9cb478c77896711d29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling amplify_num v0.4.1
[INFO] [stderr]    Compiling bitcoin_hashes v0.11.0
[INFO] [stderr]    Compiling amplify_num v0.5.3
[INFO] [stderr]    Compiling bech32 v0.9.1
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling amplify_apfloat v0.3.1
[INFO] [stderr]    Compiling amplify_syn v1.1.6
[INFO] [stderr]    Compiling amplify_syn v2.0.1
[INFO] [stderr]    Compiling amplify_derive v2.11.3
[INFO] [stderr]    Compiling amplify_derive v4.0.1
[INFO] [stderr]    Compiling secp256k1 v0.24.3
[INFO] [stderr]    Compiling bitcoin v0.29.2
[INFO] [stderr]    Compiling amplify v3.14.2
[INFO] [stderr]    Compiling encoding_derive_helpers v2.0.0-alpha.2
[INFO] [stderr]    Compiling confined_encoding_derive v0.9.0-alpha.2
[INFO] [stderr]    Compiling amplify v4.9.0
[INFO] [stderr]    Compiling confined_encoding v0.9.0-alpha.5
[INFO] [stderr]    Compiling confined_encoding_test v0.9.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:574:19
[INFO] [stdout]     |
[INFO] [stdout] 574 |     if written != len {
[INFO] [stdout]     |        -------    ^^^ expected `()`, found `usize`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        expected because this is `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:577:23
[INFO] [stdout]     |
[INFO] [stdout] 577 |             returned: written,
[INFO] [stdout]     |                       ^^^^^^^ expected `usize`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:581:28
[INFO] [stdout]     |
[INFO] [stdout] 581 |         T::confined_decode(&encoded_object[..]).map_err(|e| {
[INFO] [stdout]     |         ------------------ ^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |         |
[INFO] [stdout]     |         arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                        found reference `&[u8]`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/confined_encoding-0.9.0-alpha.5/src/lib.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn confined_decode(d: &mut impl io::Read) -> Result<Self, Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:638:45
[INFO] [stdout]     |
[INFO] [stdout] 638 |     let decoded_object = T::confined_decode(test_vec).map_err(|e| {
[INFO] [stdout]     |                          ------------------ ^^^^^^^^ types differ in mutability
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                        found reference `&[u8]`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/confined_encoding-0.9.0-alpha.5/src/lib.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn confined_decode(d: &mut impl io::Read) -> Result<Self, Error>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `confined_encoding_test` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "57c36976df071f3d9e730c113919835853cef14fcf244b9cb478c77896711d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c36976df071f3d9e730c113919835853cef14fcf244b9cb478c77896711d29", kill_on_drop: false }`
[INFO] [stdout] 57c36976df071f3d9e730c113919835853cef14fcf244b9cb478c77896711d29