[INFO] fetching crate umgap 1.1.0...
[INFO] checking umgap-1.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate umgap 1.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate umgap 1.1.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umgap 1.1.0
[INFO] finished tweaking crates.io crate umgap 1.1.0
[INFO] tweaked toml for crates.io crate umgap 1.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate umgap 1.1.0 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.6.2
[INFO] [stderr]   Downloaded attohttpc v0.15.0
[INFO] [stderr]   Downloaded fst v0.3.5
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba7aadd092156ba58422194bcc71a2d42e2907ca348890e0654e92326f9dab0
[INFO] running `Command { std: "docker" "start" "-a" "cba7aadd092156ba58422194bcc71a2d42e2907ca348890e0654e92326f9dab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba7aadd092156ba58422194bcc71a2d42e2907ca348890e0654e92326f9dab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba7aadd092156ba58422194bcc71a2d42e2907ca348890e0654e92326f9dab0", kill_on_drop: false }`
[INFO] [stdout] cba7aadd092156ba58422194bcc71a2d42e2907ca348890e0654e92326f9dab0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b044714a129cf0b6116984a18e4ea09066ecda7190e9024e7a10883a6d7c9b
[INFO] running `Command { std: "docker" "start" "-a" "f9b044714a129cf0b6116984a18e4ea09066ecda7190e9024e7a10883a6d7c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking attohttpc v0.15.0
[INFO] [stderr]     Checking umgap v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rmq/mix.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let mut weight = weights.entry(left).or_insert_with(Weights::new);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rmq/mix.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let mut weight = weights.entry(left).or_insert_with(Weights::new);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.77s
[INFO] running `Command { std: "docker" "inspect" "f9b044714a129cf0b6116984a18e4ea09066ecda7190e9024e7a10883a6d7c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b044714a129cf0b6116984a18e4ea09066ecda7190e9024e7a10883a6d7c9b", kill_on_drop: false }`
[INFO] [stdout] f9b044714a129cf0b6116984a18e4ea09066ecda7190e9024e7a10883a6d7c9b
[INFO] checking umgap-1.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate umgap 1.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate umgap 1.1.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umgap 1.1.0
[INFO] finished tweaking crates.io crate umgap 1.1.0
[INFO] tweaked toml for crates.io crate umgap 1.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate umgap 1.1.0 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a635bd8e61a44e04f3d31bab92f210cbb6794650c6e2bcb726c61c5724eab8ee
[INFO] running `Command { std: "docker" "start" "-a" "a635bd8e61a44e04f3d31bab92f210cbb6794650c6e2bcb726c61c5724eab8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a635bd8e61a44e04f3d31bab92f210cbb6794650c6e2bcb726c61c5724eab8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a635bd8e61a44e04f3d31bab92f210cbb6794650c6e2bcb726c61c5724eab8ee", kill_on_drop: false }`
[INFO] [stdout] a635bd8e61a44e04f3d31bab92f210cbb6794650c6e2bcb726c61c5724eab8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d47e0f82344adf94019ccf340cc7eeb8621c3f5d4c5db1b75cdd6bdbb3518a00
[INFO] running `Command { std: "docker" "start" "-a" "d47e0f82344adf94019ccf340cc7eeb8621c3f5d4c5db1b75cdd6bdbb3518a00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking attohttpc v0.15.0
[INFO] [stderr]     Checking umgap v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rmq/mix.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let mut weight = weights.entry(left).or_insert_with(Weights::new);
[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/rmq/mix.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let mut weight = weights.entry(left).or_insert_with(Weights::new);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.30s
[INFO] running `Command { std: "docker" "inspect" "d47e0f82344adf94019ccf340cc7eeb8621c3f5d4c5db1b75cdd6bdbb3518a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47e0f82344adf94019ccf340cc7eeb8621c3f5d4c5db1b75cdd6bdbb3518a00", kill_on_drop: false }`
[INFO] [stdout] d47e0f82344adf94019ccf340cc7eeb8621c3f5d4c5db1b75cdd6bdbb3518a00