[INFO] fetching crate merkle_tree 0.1.0... [INFO] checking merkle_tree-0.1.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate merkle_tree 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate merkle_tree 0.1.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate merkle_tree 0.1.0 [INFO] finished tweaking crates.io crate merkle_tree 0.1.0 [INFO] tweaked toml for crates.io crate merkle_tree 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 50 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding bincode v0.8.0 (latest: v1.3.3) [INFO] [stderr] Adding env_logger v0.4.3 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rayon v0.7.1 (latest: v1.10.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding rmp-serde v0.13.7 (latest: v1.1.2) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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 env_logger v0.4.3 [INFO] [stderr] Downloaded hex-slice v0.1.4 [INFO] [stderr] Downloaded rmp-serde v0.13.7 [INFO] [stderr] Downloaded rayon v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f8ed76a6444454c09af33ef0c9cc65f35424283ffaad50e83dab2eed427710d [INFO] running `Command { std: "docker" "start" "-a" "7f8ed76a6444454c09af33ef0c9cc65f35424283ffaad50e83dab2eed427710d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f8ed76a6444454c09af33ef0c9cc65f35424283ffaad50e83dab2eed427710d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f8ed76a6444454c09af33ef0c9cc65f35424283ffaad50e83dab2eed427710d", kill_on_drop: false }` [INFO] [stdout] 7f8ed76a6444454c09af33ef0c9cc65f35424283ffaad50e83dab2eed427710d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 712ec67f889a5cc12b8c3818781be2265be448c80296197a2d5a26fb3432b564 [INFO] running `Command { std: "docker" "start" "-a" "712ec67f889a5cc12b8c3818781be2265be448c80296197a2d5a26fb3432b564", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking rayon v0.7.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling syn v2.0.57 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking hex-slice v0.1.4 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rmp v0.8.12 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking rmp-serde v0.13.7 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking merkle_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: the item `Default` is imported redundantly [INFO] [stdout] --> src/merkle_tree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `bincode` is imported redundantly [INFO] [stdout] --> src/serialization_format.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/serialization_format.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `rmp_serde` is imported redundantly [INFO] [stdout] --> src/serialization_format.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rmp_serde; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate rmp_serde; [INFO] [stdout] | ----------------------- the item `rmp_serde` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `Default` is imported redundantly [INFO] [stdout] --> src/merkle_tree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `bincode` is imported redundantly [INFO] [stdout] --> src/serialization_format.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/serialization_format.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `rmp_serde` is imported redundantly [INFO] [stdout] --> src/serialization_format.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rmp_serde; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate rmp_serde; [INFO] [stdout] | ----------------------- the item `rmp_serde` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `merkle_tree` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `merkle_tree` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "712ec67f889a5cc12b8c3818781be2265be448c80296197a2d5a26fb3432b564", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "712ec67f889a5cc12b8c3818781be2265be448c80296197a2d5a26fb3432b564", kill_on_drop: false }` [INFO] [stdout] 712ec67f889a5cc12b8c3818781be2265be448c80296197a2d5a26fb3432b564