[INFO] fetching crate hopper 0.4.2...
[INFO] checking hopper-0.4.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate hopper 0.4.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate hopper 0.4.2 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hopper 0.4.2
[INFO] finished tweaking crates.io crate hopper 0.4.2
[INFO] tweaked toml for crates.io crate hopper 0.4.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3c8ffa9d11ae06444f2404c8a4aa591b218b9d4dacdf00f321b6b9aa9faae67
[INFO] running `Command { std: "docker" "start" "-a" "f3c8ffa9d11ae06444f2404c8a4aa591b218b9d4dacdf00f321b6b9aa9faae67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3c8ffa9d11ae06444f2404c8a4aa591b218b9d4dacdf00f321b6b9aa9faae67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c8ffa9d11ae06444f2404c8a4aa591b218b9d4dacdf00f321b6b9aa9faae67", kill_on_drop: false }`
[INFO] [stdout] f3c8ffa9d11ae06444f2404c8a4aa591b218b9d4dacdf00f321b6b9aa9faae67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dbe354a9f9b886f0c5b9e296dfc1c94967505361a35cf4dd9f7205dbf20b550
[INFO] running `Command { std: "docker" "start" "-a" "4dbe354a9f9b886f0c5b9e296dfc1c94967505361a35cf4dd9f7205dbf20b550", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking hopper v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/receiver.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]   --> src/sender.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 | const PAYLOAD_LEN_BYTES: usize = ::std::mem::size_of::<u32>();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:73
[INFO] [stdout]    |
[INFO] [stdout] 2  |         trivial_numeric_casts, unstable_features, unused_import_braces, unused_qualifications)]
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 16 - const PAYLOAD_LEN_BYTES: usize = ::std::mem::size_of::<u32>();
[INFO] [stdout] 16 + const PAYLOAD_LEN_BYTES: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]   --> src/deque.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     S: ::std::default::Default,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 76 -     S: ::std::default::Default,
[INFO] [stdout] 76 +     S: Default,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/deque.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl<T, S> ::std::fmt::Debug for Queue<T, S> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 156 - impl<T, S> ::std::fmt::Debug for Queue<T, S> {
[INFO] [stdout] 156 + impl<T, S> std::fmt::Debug for Queue<T, S> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/deque.rs:157:27
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 157 -     fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
[INFO] [stdout] 157 +     fn fmt(&self, f: &mut std::fmt::Formatter) -> ::std::fmt::Result {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/deque.rs:157:53
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 157 -     fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
[INFO] [stdout] 157 +     fn fmt(&self, f: &mut ::std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/deque.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     S: ::std::default::Default,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 172 -     S: ::std::default::Default,
[INFO] [stdout] 172 +     S: Default,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:163:26
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let max_disk_bytes = ::std::cmp::max(0x100_000, max_disk_bytes);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 163 -     let max_disk_bytes = ::std::cmp::max(0x100_000, max_disk_bytes);
[INFO] [stdout] 163 +     let max_disk_bytes = std::cmp::max(0x100_000, max_disk_bytes);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:164:37
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let total_memory_limit: usize = ::std::cmp::max(1, max_memory_bytes / sz);
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 164 -     let total_memory_limit: usize = ::std::cmp::max(1, max_memory_bytes / sz);
[INFO] [stdout] 164 +     let total_memory_limit: usize = std::cmp::max(1, max_memory_bytes / sz);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hopper` (lib) due to 9 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4dbe354a9f9b886f0c5b9e296dfc1c94967505361a35cf4dd9f7205dbf20b550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbe354a9f9b886f0c5b9e296dfc1c94967505361a35cf4dd9f7205dbf20b550", kill_on_drop: false }`
[INFO] [stdout] 4dbe354a9f9b886f0c5b9e296dfc1c94967505361a35cf4dd9f7205dbf20b550
