[INFO] fetching crate muta-codec-derive 0.2.2...
[INFO] checking muta-codec-derive-0.2.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate muta-codec-derive 0.2.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate muta-codec-derive 0.2.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate muta-codec-derive 0.2.2
[INFO] finished tweaking crates.io crate muta-codec-derive 0.2.2
[INFO] tweaked toml for crates.io crate muta-codec-derive 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate muta-codec-derive 0.2.2 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlp v0.4.5
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e3495e0a6d0a8f83a62b83bbe42e7bc08c8b31a7cfdb6583cebe872a06465f1
[INFO] running `Command { std: "docker" "start" "-a" "5e3495e0a6d0a8f83a62b83bbe42e7bc08c8b31a7cfdb6583cebe872a06465f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e3495e0a6d0a8f83a62b83bbe42e7bc08c8b31a7cfdb6583cebe872a06465f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3495e0a6d0a8f83a62b83bbe42e7bc08c8b31a7cfdb6583cebe872a06465f1", kill_on_drop: false }`
[INFO] [stdout] 5e3495e0a6d0a8f83a62b83bbe42e7bc08c8b31a7cfdb6583cebe872a06465f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd7c814aeba1882f1fcb35efb95b69ae4168c50700d33c2b6a567d1cd4906cae
[INFO] running `Command { std: "docker" "start" "-a" "fd7c814aeba1882f1fcb35efb95b69ae4168c50700d33c2b6a567d1cd4906cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking muta-codec-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `muta_protocol`
[INFO] [stdout]  --> examples/example.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use muta_protocol::fixed_codec::{FixedCodec, FixedCodecError};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `muta_protocol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `muta_protocol`
[INFO] [stdout]  --> examples/example.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use muta_protocol::{Bytes, ProtocolResult};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `muta_protocol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `muta-codec-derive` (example "example") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd7c814aeba1882f1fcb35efb95b69ae4168c50700d33c2b6a567d1cd4906cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7c814aeba1882f1fcb35efb95b69ae4168c50700d33c2b6a567d1cd4906cae", kill_on_drop: false }`
[INFO] [stdout] fd7c814aeba1882f1fcb35efb95b69ae4168c50700d33c2b6a567d1cd4906cae
[INFO] checking muta-codec-derive-0.2.2 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate muta-codec-derive 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate muta-codec-derive 0.2.2 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate muta-codec-derive 0.2.2
[INFO] finished tweaking crates.io crate muta-codec-derive 0.2.2
[INFO] tweaked toml for crates.io crate muta-codec-derive 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate muta-codec-derive 0.2.2 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 361b501132ec19dd87f8e1ae58d4d8ce46f7bbda06df9def9d5bb53c89fa7f19
[INFO] running `Command { std: "docker" "start" "-a" "361b501132ec19dd87f8e1ae58d4d8ce46f7bbda06df9def9d5bb53c89fa7f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "361b501132ec19dd87f8e1ae58d4d8ce46f7bbda06df9def9d5bb53c89fa7f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361b501132ec19dd87f8e1ae58d4d8ce46f7bbda06df9def9d5bb53c89fa7f19", kill_on_drop: false }`
[INFO] [stdout] 361b501132ec19dd87f8e1ae58d4d8ce46f7bbda06df9def9d5bb53c89fa7f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb1551015c7063bddd1ae45d21b263ebd544d901d0d1c6afbcca6ebfa51635a2
[INFO] running `Command { std: "docker" "start" "-a" "fb1551015c7063bddd1ae45d21b263ebd544d901d0d1c6afbcca6ebfa51635a2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "fb1551015c7063bddd1ae45d21b263ebd544d901d0d1c6afbcca6ebfa51635a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1551015c7063bddd1ae45d21b263ebd544d901d0d1c6afbcca6ebfa51635a2", kill_on_drop: false }`
[INFO] [stdout] fb1551015c7063bddd1ae45d21b263ebd544d901d0d1c6afbcca6ebfa51635a2