[INFO] fetching crate tl 0.7.7...
[INFO] checking tl-0.7.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tl 0.7.7 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tl 0.7.7 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tl 0.7.7
[INFO] finished tweaking crates.io crate tl 0.7.7
[INFO] tweaked toml for crates.io crate tl 0.7.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 61 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77bf18eb9e2be938d5e1f666081fcbd6557f21871a7f14deef17c6a3bfabebe4
[INFO] running `Command { std: "docker" "start" "-a" "77bf18eb9e2be938d5e1f666081fcbd6557f21871a7f14deef17c6a3bfabebe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77bf18eb9e2be938d5e1f666081fcbd6557f21871a7f14deef17c6a3bfabebe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bf18eb9e2be938d5e1f666081fcbd6557f21871a7f14deef17c6a3bfabebe4", kill_on_drop: false }`
[INFO] [stdout] 77bf18eb9e2be938d5e1f666081fcbd6557f21871a7f14deef17c6a3bfabebe4
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9beb3c92d965794c5b233ff9994215ba4e37fe228fb242419422b514e9a32bc0
[INFO] running `Command { std: "docker" "start" "-a" "9beb3c92d965794c5b233ff9994215ba4e37fe228fb242419422b514e9a32bc0", kill_on_drop: false }`
[INFO] [stderr]     Checking tl v0.7.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: the item `HTMLTag` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{parser::*, HTMLTag, Node};
[INFO] [stdout]   |             ---------  ^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the item `HTMLTag` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Node` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{parser::*, HTMLTag, Node};
[INFO] [stdout]   |             ---------           ^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the item `Node` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "9beb3c92d965794c5b233ff9994215ba4e37fe228fb242419422b514e9a32bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9beb3c92d965794c5b233ff9994215ba4e37fe228fb242419422b514e9a32bc0", kill_on_drop: false }`
[INFO] [stdout] 9beb3c92d965794c5b233ff9994215ba4e37fe228fb242419422b514e9a32bc0
[INFO] checking tl-0.7.7 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tl 0.7.7 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate tl 0.7.7 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tl 0.7.7
[INFO] finished tweaking crates.io crate tl 0.7.7
[INFO] tweaked toml for crates.io crate tl 0.7.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25bdd9ad892ea2d3357685c911f262431627ceb189bf8fb85aadaf768756beca
[INFO] running `Command { std: "docker" "start" "-a" "25bdd9ad892ea2d3357685c911f262431627ceb189bf8fb85aadaf768756beca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25bdd9ad892ea2d3357685c911f262431627ceb189bf8fb85aadaf768756beca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25bdd9ad892ea2d3357685c911f262431627ceb189bf8fb85aadaf768756beca", kill_on_drop: false }`
[INFO] [stdout] 25bdd9ad892ea2d3357685c911f262431627ceb189bf8fb85aadaf768756beca
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40499e9919d1c947c74a1fbd2c8573658c894dc8c20188033ef719d352636381
[INFO] running `Command { std: "docker" "start" "-a" "40499e9919d1c947c74a1fbd2c8573658c894dc8c20188033ef719d352636381", kill_on_drop: false }`
[INFO] [stderr]     Checking tl v0.7.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: the item `HTMLTag` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{parser::*, HTMLTag, Node};
[INFO] [stdout]   |             ---------  ^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the item `HTMLTag` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Node` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{parser::*, HTMLTag, Node};
[INFO] [stdout]   |             ---------           ^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the item `Node` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "40499e9919d1c947c74a1fbd2c8573658c894dc8c20188033ef719d352636381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40499e9919d1c947c74a1fbd2c8573658c894dc8c20188033ef719d352636381", kill_on_drop: false }`
[INFO] [stdout] 40499e9919d1c947c74a1fbd2c8573658c894dc8c20188033ef719d352636381