[INFO] fetching crate ipld_amt 1.0.0...
[INFO] testing ipld_amt-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ipld_amt 1.0.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate ipld_amt 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipld_amt 1.0.0
[INFO] finished tweaking crates.io crate ipld_amt 1.0.0
[INFO] tweaked toml for crates.io crate ipld_amt 1.0.0 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_tuple_macros v0.5.0
[INFO] [stderr]   Downloaded integer-encoding v2.1.3
[INFO] [stderr]   Downloaded forest_db v0.1.0
[INFO] [stderr]   Downloaded serde_tuple v0.5.0
[INFO] [stderr]   Downloaded forest_encoding v0.2.1
[INFO] [stderr]   Downloaded ipld_blockstore v0.1.1
[INFO] [stderr]   Downloaded cs_serde_bytes v0.12.0
[INFO] [stderr]   Downloaded forest_cid v0.3.0
[INFO] [stderr]   Downloaded cs_serde_cbor v0.12.0
[INFO] [stderr]   Downloaded cid v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bd8a9ce5aeacc13113b3c53d9c9cc9f6fe7a8b4a0e35cb2106b44c410b569eb
[INFO] running `Command { std: "docker" "start" "-a" "5bd8a9ce5aeacc13113b3c53d9c9cc9f6fe7a8b4a0e35cb2106b44c410b569eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bd8a9ce5aeacc13113b3c53d9c9cc9f6fe7a8b4a0e35cb2106b44c410b569eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bd8a9ce5aeacc13113b3c53d9c9cc9f6fe7a8b4a0e35cb2106b44c410b569eb", kill_on_drop: false }`
[INFO] [stdout] 5bd8a9ce5aeacc13113b3c53d9c9cc9f6fe7a8b4a0e35cb2106b44c410b569eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19a6b422b08a408be8378336baff283bce620134cf3a68f618599c0a719a490e
[INFO] running `Command { std: "docker" "start" "-a" "19a6b422b08a408be8378336baff283bce620134cf3a68f618599c0a719a490e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
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[INFO] [stderr]    Compiling ipld_blockstore v0.1.1
[INFO] [stderr]    Compiling ipld_amt v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "19a6b422b08a408be8378336baff283bce620134cf3a68f618599c0a719a490e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a6b422b08a408be8378336baff283bce620134cf3a68f618599c0a719a490e", kill_on_drop: false }`
[INFO] [stdout] 19a6b422b08a408be8378336baff283bce620134cf3a68f618599c0a719a490e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22f9da7731684a85921d2eeecc567930cb23d70d746928aff3076b94235b9727
[INFO] running `Command { std: "docker" "start" "-a" "22f9da7731684a85921d2eeecc567930cb23d70d746928aff3076b94235b9727", kill_on_drop: false }`
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[INFO] [stderr]    Compiling plotters-backend v0.3.2
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[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling ipld_amt v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `clone` found for mutable reference `&mut ValueMut<'_, BytesDe>` in the current scope
[INFO] [stdout]    --> tests/amt_tests.rs:382:25
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 **v = v.clone();
[INFO] [stdout]     |                         ^^^^^ method not found in `&mut ValueMut<'_, BytesDe>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `BytesDe: Clone` is not satisfied
[INFO] [stdout]    --> tests/amt_tests.rs:379:10
[INFO] [stdout]     |
[INFO] [stdout] 379 |         .for_each_mut(|i, v: &mut ipld_amt::ValueMut<'_, BytesDe>| {
[INFO] [stdout]     |          ^^^^^^^^^^^^ the trait `Clone` is not implemented for `BytesDe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipld_amt` due to 3 previous errors
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "22f9da7731684a85921d2eeecc567930cb23d70d746928aff3076b94235b9727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f9da7731684a85921d2eeecc567930cb23d70d746928aff3076b94235b9727", kill_on_drop: false }`
[INFO] [stdout] 22f9da7731684a85921d2eeecc567930cb23d70d746928aff3076b94235b9727