[INFO] fetching crate rust_mdd 0.1.2...
[INFO] checking rust_mdd-0.1.2 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate rust_mdd 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rust_mdd 0.1.2
[INFO] finished tweaking crates.io crate rust_mdd 0.1.2
[INFO] tweaked toml for crates.io crate rust_mdd 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_mdd 0.1.2 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "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" "+52995a223f2919dd3e2e427231db90a257350ded" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to highest compatible versions
[INFO] [stderr]       Adding bigdecimal v0.3.1 (available: v0.4.11)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d
[INFO] running `Command { std: "docker" "start" "3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]     Checking bigdecimal v0.3.1
[INFO] [stderr]     Checking rust_mdd v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/cmdc/decode.rs:83:33
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...                   format!("Invalid cMDC header, 6 fields expected").into(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/cmdc/decode.rs:96:25
[INFO] [stdout]     |
[INFO] [stdout]  96 | /                         format!(
[INFO] [stdout]  97 | |                             "Invalid cMDC character '{}' in header, numeric expected",
[INFO] [stdout]  98 | |                             c as char
[INFO] [stdout]  99 | |                         )
[INFO] [stdout] 100 | |                         .into(),
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/cmdc/decode.rs:173:25
[INFO] [stdout]     |
[INFO] [stdout] 173 | /                         format!(
[INFO] [stdout] 174 | |                             "Invalid character '{}', numeric expected for string length",
[INFO] [stdout] 175 | |                             c as char
[INFO] [stdout] 176 | |                         )
[INFO] [stdout] 177 | |                         .into(),
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/cmdc/decode.rs:261:32
[INFO] [stdout]     |
[INFO] [stdout] 261 |             Error::DecodeError(format!("Invalid digit found in '{}'", str_data).into())
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/cmdc/value.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         format!("Invalid string length, {} is too long", len).into(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/cmdc/value.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         format!("Invalid string length, {} is too short", len).into(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_mdd` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/cmdc/decode.rs:83:33
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...                   format!("Invalid cMDC header, 6 fields expected").into(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/cmdc/decode.rs:96:25
[INFO] [stdout]     |
[INFO] [stdout]  96 | /                         format!(
[INFO] [stdout]  97 | |                             "Invalid cMDC character '{}' in header, numeric expected",
[INFO] [stdout]  98 | |                             c as char
[INFO] [stdout]  99 | |                         )
[INFO] [stdout] 100 | |                         .into(),
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/cmdc/decode.rs:173:25
[INFO] [stdout]     |
[INFO] [stdout] 173 | /                         format!(
[INFO] [stdout] 174 | |                             "Invalid character '{}', numeric expected for string length",
[INFO] [stdout] 175 | |                             c as char
[INFO] [stdout] 176 | |                         )
[INFO] [stdout] 177 | |                         .into(),
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/cmdc/decode.rs:261:32
[INFO] [stdout]     |
[INFO] [stdout] 261 |             Error::DecodeError(format!("Invalid digit found in '{}'", str_data).into())
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/cmdc/value.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         format!("Invalid string length, {} is too long", len).into(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/cmdc/value.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         format!("Invalid string length, {} is too short", len).into(),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_mdd` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d", kill_on_drop: false }`
[INFO] [stdout] 3d136e20d5a67f9e8b61f6e84084bf1862e1ff78106ed6af74f56646af69e87d
