[INFO] cloning repository https://github.com/gre-v-el/RUBBISH
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gre-v-el/RUBBISH" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgre-v-el%2FRUBBISH", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgre-v-el%2FRUBBISH'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5bb60e7a640ba492812cda9337db3cbe69293e9
[INFO] checking gre-v-el/RUBBISH against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgre-v-el%2FRUBBISH" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gre-v-el/RUBBISH 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 git repo https://github.com/gre-v-el/RUBBISH
[INFO] finished tweaking git repo https://github.com/gre-v-el/RUBBISH
[INFO] tweaked toml for git repo https://github.com/gre-v-el/RUBBISH written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gre-v-el/RUBBISH 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoserde v0.1.32
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.19
[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] f213ca15d5cae0278c72092b059e72ed74c522cda91708f3b85e920d87ec67dd
[INFO] running `Command { std: "docker" "start" "-a" "f213ca15d5cae0278c72092b059e72ed74c522cda91708f3b85e920d87ec67dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f213ca15d5cae0278c72092b059e72ed74c522cda91708f3b85e920d87ec67dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f213ca15d5cae0278c72092b059e72ed74c522cda91708f3b85e920d87ec67dd", kill_on_drop: false }`
[INFO] [stdout] f213ca15d5cae0278c72092b059e72ed74c522cda91708f3b85e920d87ec67dd
[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] 01321564475b6c6110b7386cac436d1074cd82251183a2e91eef0ddcf9ed9a40
[INFO] running `Command { std: "docker" "start" "-a" "01321564475b6c6110b7386cac436d1074cd82251183a2e91eef0ddcf9ed9a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling nanoserde-derive v0.1.19
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking nanoserde v0.1.32
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rubbish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_vocab` is never used
[INFO] [stdout]   --> src/printer.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn print_vocab(vocab: &Vec<(Option<(usize, usize)>, String)>) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_vocab` is never used
[INFO] [stdout]   --> src/printer.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn print_vocab(vocab: &Vec<(Option<(usize, usize)>, String)>) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2.41s
[INFO] running `Command { std: "docker" "inspect" "01321564475b6c6110b7386cac436d1074cd82251183a2e91eef0ddcf9ed9a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01321564475b6c6110b7386cac436d1074cd82251183a2e91eef0ddcf9ed9a40", kill_on_drop: false }`
[INFO] [stdout] 01321564475b6c6110b7386cac436d1074cd82251183a2e91eef0ddcf9ed9a40
[INFO] checking gre-v-el/RUBBISH against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgre-v-el%2FRUBBISH" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gre-v-el/RUBBISH 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 git repo https://github.com/gre-v-el/RUBBISH
[INFO] finished tweaking git repo https://github.com/gre-v-el/RUBBISH
[INFO] tweaked toml for git repo https://github.com/gre-v-el/RUBBISH written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gre-v-el/RUBBISH 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] 44765b9ad34e1d4f76d36be1b8260628e276d123003d2cd226babe829eca4fd9
[INFO] running `Command { std: "docker" "start" "-a" "44765b9ad34e1d4f76d36be1b8260628e276d123003d2cd226babe829eca4fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44765b9ad34e1d4f76d36be1b8260628e276d123003d2cd226babe829eca4fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44765b9ad34e1d4f76d36be1b8260628e276d123003d2cd226babe829eca4fd9", kill_on_drop: false }`
[INFO] [stdout] 44765b9ad34e1d4f76d36be1b8260628e276d123003d2cd226babe829eca4fd9
[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] 700337b011f9d2df15ad0fe03b747b73ee65a2dc12b3b836310c5ec2399af398
[INFO] running `Command { std: "docker" "start" "-a" "700337b011f9d2df15ad0fe03b747b73ee65a2dc12b3b836310c5ec2399af398", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling nanoserde-derive v0.1.19
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking nanoserde v0.1.32
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rubbish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_vocab` is never used
[INFO] [stdout]   --> src/printer.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn print_vocab(vocab: &Vec<(Option<(usize, usize)>, String)>) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_vocab` is never used
[INFO] [stdout]   --> src/printer.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn print_vocab(vocab: &Vec<(Option<(usize, usize)>, String)>) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2.78s
[INFO] running `Command { std: "docker" "inspect" "700337b011f9d2df15ad0fe03b747b73ee65a2dc12b3b836310c5ec2399af398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700337b011f9d2df15ad0fe03b747b73ee65a2dc12b3b836310c5ec2399af398", kill_on_drop: false }`
[INFO] [stdout] 700337b011f9d2df15ad0fe03b747b73ee65a2dc12b3b836310c5ec2399af398