[INFO] cloning repository https://github.com/fm-elpac/fmls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fm-elpac/fmls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffm-elpac%2Ffmls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffm-elpac%2Ffmls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cecff17d63aad229ae07d2058b3d0502fbb33de
[INFO] checking fm-elpac/fmls against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffm-elpac%2Ffmls" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fm-elpac/fmls on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fm-elpac/fmls
[INFO] finished tweaking git repo https://github.com/fm-elpac/fmls
[INFO] tweaked toml for git repo https://github.com/fm-elpac/fmls written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fm-elpac/fmls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time-macros v0.2.13
[INFO] [stderr]   Downloaded octets v0.2.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cdb9a30b134adb114396cffa16fd7d45dd2418e930ad2772d721284e704ba2b
[INFO] running `Command { std: "docker" "start" "-a" "6cdb9a30b134adb114396cffa16fd7d45dd2418e930ad2772d721284e704ba2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cdb9a30b134adb114396cffa16fd7d45dd2418e930ad2772d721284e704ba2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cdb9a30b134adb114396cffa16fd7d45dd2418e930ad2772d721284e704ba2b", kill_on_drop: false }`
[INFO] [stdout] 6cdb9a30b134adb114396cffa16fd7d45dd2418e930ad2772d721284e704ba2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8858699edf89569bfc1f49dd559cf51abf79bfece1e0507bbd22e74c3b348b08
[INFO] running `Command { std: "docker" "start" "-a" "8858699edf89569bfc1f49dd559cf51abf79bfece1e0507bbd22e74c3b348b08", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling deranged v0.3.8
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]     Checking crc-catalog v2.2.0
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]    Compiling rustls v0.21.6
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking libfmlsc v0.1.0 (/opt/rustwide/workdir/libfmlsc)
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking octets v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking libfmlsm v0.1.0 (/opt/rustwide/workdir/libfmlsm)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/eat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/escape_crc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/send/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/sender.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/hex/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/port/eat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/send/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vergen v8.2.4
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling time v0.3.27
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quiche v0.17.2
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking rustls-webpki v0.101.4
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling toml v0.7.6
[INFO] [stderr]    Compiling cargo-lock v9.0.0
[INFO] [stderr]    Compiling built v0.6.1
[INFO] [stderr]    Compiling fmls-r2d v0.1.0-a1 (/opt/rustwide/workdir/fmls-r2d)
[INFO] [stderr]    Compiling fmls-cli v0.1.0-a1 (/opt/rustwide/workdir/fmls-cli)
[INFO] [stderr]    Compiling fmlsd v0.1.0-a1 (/opt/rustwide/workdir/fmlsd)
[INFO] [stdout] warning: the item `built` is imported redundantly
[INFO] [stdout]  --> fmls-r2d/build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use built;
[INFO] [stdout]   |     ^^^^^ the item `built` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `built` is imported redundantly
[INFO] [stdout]  --> fmlsd/build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use built;
[INFO] [stdout]   |     ^^^^^ the item `built` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `built` is imported redundantly
[INFO] [stdout]  --> fmls-cli/build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use built;
[INFO] [stdout]   |     ^^^^^ the item `built` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking libfmls v0.1.0 (/opt/rustwide/workdir/libfmls)
[INFO] [stdout] warning: the item `crc32fast` is imported redundantly
[INFO] [stdout]  --> libfmls/src/r2c3p/escape_crc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crc32fast;
[INFO] [stdout]   |     ^^^^^^^^^ the item `crc32fast` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/eat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/escape_crc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/send/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> libfmlsm/src/r2c3p_low/send/test.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `Iterator` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `P_VERSION` is imported redundantly
[INFO] [stdout]   --> libfmlsm/src/r2c3p_low/send/test.rs:11:83
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ConfItem, FeedResult, Msg, MsgAt, MsgReq, MsgRes, MsgS, MsgType, R2c3pServer, P_VERSION,
[INFO] [stdout]    |                                                                                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `P_VERSION` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/sender.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/hex/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/port/eat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/send/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> libfmlsm/src/r2c3p_util/send/test.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     -------- the item `Iterator` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `P_VERSION` is imported redundantly
[INFO] [stdout]   --> libfmlsm/src/r2c3p_util/send/test.rs:11:83
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ConfItem, FeedResult, Msg, MsgAt, MsgReq, MsgRes, MsgS, MsgType, R2c3pServer, P_VERSION,
[INFO] [stdout]    |                                                                                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     -------- the item `P_VERSION` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BStaticSender` is imported redundantly
[INFO] [stdout]   --> libfmlsm/src/r2c3p_util/send/test.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::r2c3p_low::{BStaticSender, NoneSender};
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     -------- the item `BStaticSender` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> fmls-r2d/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> fmls-r2d/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> fmls-cli/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> fmlsd/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> fmls-cli/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> fmlsd/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.71s
[INFO] running `Command { std: "docker" "inspect" "8858699edf89569bfc1f49dd559cf51abf79bfece1e0507bbd22e74c3b348b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8858699edf89569bfc1f49dd559cf51abf79bfece1e0507bbd22e74c3b348b08", kill_on_drop: false }`
[INFO] [stdout] 8858699edf89569bfc1f49dd559cf51abf79bfece1e0507bbd22e74c3b348b08
[INFO] checking fm-elpac/fmls against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffm-elpac%2Ffmls" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fm-elpac/fmls on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fm-elpac/fmls
[INFO] finished tweaking git repo https://github.com/fm-elpac/fmls
[INFO] tweaked toml for git repo https://github.com/fm-elpac/fmls written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fm-elpac/fmls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f6ebb59fa72ace9ee99c5f1f8640131ccebeeb17e74cc915ee20cdd2ef5745d
[INFO] running `Command { std: "docker" "start" "-a" "0f6ebb59fa72ace9ee99c5f1f8640131ccebeeb17e74cc915ee20cdd2ef5745d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f6ebb59fa72ace9ee99c5f1f8640131ccebeeb17e74cc915ee20cdd2ef5745d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6ebb59fa72ace9ee99c5f1f8640131ccebeeb17e74cc915ee20cdd2ef5745d", kill_on_drop: false }`
[INFO] [stdout] 0f6ebb59fa72ace9ee99c5f1f8640131ccebeeb17e74cc915ee20cdd2ef5745d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17880ba3577554dde2c070d2fd21d7d5d3382ac396381f498fd7bac633a4ab08
[INFO] running `Command { std: "docker" "start" "-a" "17880ba3577554dde2c070d2fd21d7d5d3382ac396381f498fd7bac633a4ab08", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling deranged v0.3.8
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]     Checking crc-catalog v2.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]    Compiling rustls v0.21.6
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking libfmlsc v0.1.0 (/opt/rustwide/workdir/libfmlsc)
[INFO] [stderr]     Checking octets v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking libfmlsm v0.1.0 (/opt/rustwide/workdir/libfmlsm)
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/eat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/escape_crc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/send/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_low/sender.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/hex/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/port/eat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> libfmlsm/src/r2c3p_util/send/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vergen v8.2.4
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling time v0.3.27
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quiche v0.17.2
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking rustls-webpki v0.101.4
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/bin/rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.197/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' -C metadata=8e75e18b3e6505d1 -C extra-filename=-8e75e18b3e6505d1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-635f30ffc223a555.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-74065144d46b7366.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-f9fab2bc7af4339b.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "17880ba3577554dde2c070d2fd21d7d5d3382ac396381f498fd7bac633a4ab08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17880ba3577554dde2c070d2fd21d7d5d3382ac396381f498fd7bac633a4ab08", kill_on_drop: false }`
[INFO] [stdout] 17880ba3577554dde2c070d2fd21d7d5d3382ac396381f498fd7bac633a4ab08
