[INFO] fetching crate include-merkle 0.1.4...
[INFO] checking include-merkle-0.1.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate include-merkle 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate include-merkle 0.1.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate include-merkle 0.1.4
[INFO] finished tweaking crates.io crate include-merkle 0.1.4
[INFO] tweaked toml for crates.io crate include-merkle 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding base58 v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding block-buffer v0.7.3 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (latest: v0.3.3)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding config v0.9.3 (latest: v0.14.0)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding directories v1.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding fixedbitset v0.1.9 (latest: v0.5.7)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.1.0)
[INFO] [stderr]       Adding isatty v0.1.9 (latest: v0.2.0)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.5.0)
[INFO] [stderr]       Adding linked-hash-map v0.3.0 (latest: v0.5.6)
[INFO] [stderr]       Adding nom v4.2.3 (latest: v7.1.3)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding ordered-float v1.1.1 (latest: v4.2.2)
[INFO] [stderr]       Adding ordermap v0.3.5 (latest: v0.5.3)
[INFO] [stderr]       Adding petgraph v0.4.13 (latest: v0.6.5)
[INFO] [stderr]       Adding ptree v0.2.1 (latest: v0.5.0)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.3)
[INFO] [stderr]       Adding rust-ini v0.13.0 (latest: v0.21.1)
[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.209)
[INFO] [stderr]       Adding serde-hjson v0.8.2 (latest: v1.0.0)
[INFO] [stderr]       Adding serde-value v0.5.3 (latest: v0.7.0)
[INFO] [stderr]       Adding serde_test v0.8.23 (latest: v1.0.177)
[INFO] [stderr]       Adding sha2 v0.8.2 (latest: v0.10.8)
[INFO] [stderr]       Adding toml v0.4.10 (latest: v0.8.19)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ptree v0.2.1
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded base58 v0.1.0
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded tint v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4032139b86c40c1218ae74ffc1802228d3265cd995bf0d72d9522a4585d3e44d
[INFO] running `Command { std: "docker" "start" "-a" "4032139b86c40c1218ae74ffc1802228d3265cd995bf0d72d9522a4585d3e44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4032139b86c40c1218ae74ffc1802228d3265cd995bf0d72d9522a4585d3e44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4032139b86c40c1218ae74ffc1802228d3265cd995bf0d72d9522a4585d3e44d", kill_on_drop: false }`
[INFO] [stdout] 4032139b86c40c1218ae74ffc1802228d3265cd995bf0d72d9522a4585d3e44d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bd9e5b5afb2e927e7cc37fafc2984c6d69bea4cdbfdeec529e598645758e46b
[INFO] running `Command { std: "docker" "start" "-a" "7bd9e5b5afb2e927e7cc37fafc2984c6d69bea4cdbfdeec529e598645758e46b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking ptree v0.2.1
[INFO] [stderr]     Checking include-merkle v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |             let mut node = &mut node_weight.node;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let mut node = &mut node_weight.node;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |             let mut node = &mut node_weight.node;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let mut node = &mut node_weight.node;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7bd9e5b5afb2e927e7cc37fafc2984c6d69bea4cdbfdeec529e598645758e46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd9e5b5afb2e927e7cc37fafc2984c6d69bea4cdbfdeec529e598645758e46b", kill_on_drop: false }`
[INFO] [stdout] 7bd9e5b5afb2e927e7cc37fafc2984c6d69bea4cdbfdeec529e598645758e46b