[INFO] cloning repository https://github.com/jlgerber/maniparse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlgerber/maniparse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fmaniparse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fmaniparse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 977f8cc8343ac3df0b83458528c1f6839850f0bf
[INFO] checking jlgerber/maniparse against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fmaniparse" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlgerber/maniparse 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 git repo https://github.com/jlgerber/maniparse
[INFO] finished tweaking git repo https://github.com/jlgerber/maniparse
[INFO] tweaked toml for git repo https://github.com/jlgerber/maniparse written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jlgerber/maniparse 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]     Updating maniparse v0.1.0 (/workspace/builds/worker-6-tc1/source) -> v0.2.0
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f4ace4a40a5bbf7f6a5e6570ad2259afa6f746e1df3ae546c6059a61d6e0605c
[INFO] running `Command { std: "docker" "start" "-a" "f4ace4a40a5bbf7f6a5e6570ad2259afa6f746e1df3ae546c6059a61d6e0605c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4ace4a40a5bbf7f6a5e6570ad2259afa6f746e1df3ae546c6059a61d6e0605c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ace4a40a5bbf7f6a5e6570ad2259afa6f746e1df3ae546c6059a61d6e0605c", kill_on_drop: false }`
[INFO] [stdout] f4ace4a40a5bbf7f6a5e6570ad2259afa6f746e1df3ae546c6059a61d6e0605c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4dce2c62f86dfa97409faabbd0b85debd83f53112e9a4411477c6d3d9ff54ea6
[INFO] running `Command { std: "docker" "start" "-a" "4dce2c62f86dfa97409faabbd0b85debd83f53112e9a4411477c6d3d9ff54ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking maniparse v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/manifest.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mustache` is imported redundantly
[INFO] [stdout]   --> src/manifest.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mustache;
[INFO] [stdout]    |     ^^^^^^^^ the item `mustache` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/manifest.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mustache` is imported redundantly
[INFO] [stdout]   --> src/manifest.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mustache;
[INFO] [stdout]    |     ^^^^^^^^ the item `mustache` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.58s
[INFO] running `Command { std: "docker" "inspect" "4dce2c62f86dfa97409faabbd0b85debd83f53112e9a4411477c6d3d9ff54ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dce2c62f86dfa97409faabbd0b85debd83f53112e9a4411477c6d3d9ff54ea6", kill_on_drop: false }`
[INFO] [stdout] 4dce2c62f86dfa97409faabbd0b85debd83f53112e9a4411477c6d3d9ff54ea6
[INFO] checking jlgerber/maniparse against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fmaniparse" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlgerber/maniparse 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 git repo https://github.com/jlgerber/maniparse
[INFO] finished tweaking git repo https://github.com/jlgerber/maniparse
[INFO] tweaked toml for git repo https://github.com/jlgerber/maniparse written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jlgerber/maniparse 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]     Updating maniparse v0.1.0 (/workspace/builds/worker-6-tc2/source) -> v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 50749cb82002936a492e56131a92a0545d40d31ff90d6b1883139a7005edf7c4
[INFO] running `Command { std: "docker" "start" "-a" "50749cb82002936a492e56131a92a0545d40d31ff90d6b1883139a7005edf7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50749cb82002936a492e56131a92a0545d40d31ff90d6b1883139a7005edf7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50749cb82002936a492e56131a92a0545d40d31ff90d6b1883139a7005edf7c4", kill_on_drop: false }`
[INFO] [stdout] 50749cb82002936a492e56131a92a0545d40d31ff90d6b1883139a7005edf7c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d097452baef86dbdf2f16c8a387a68de18e4aef8f17aaa027aa52d507e564a64
[INFO] running `Command { std: "docker" "start" "-a" "d097452baef86dbdf2f16c8a387a68de18e4aef8f17aaa027aa52d507e564a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking maniparse v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/manifest.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mustache` is imported redundantly
[INFO] [stdout]   --> src/manifest.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mustache;
[INFO] [stdout]    |     ^^^^^^^^ the item `mustache` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]  --> src/manifest.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_yaml;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mustache` is imported redundantly
[INFO] [stdout]   --> src/manifest.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mustache;
[INFO] [stdout]    |     ^^^^^^^^ the item `mustache` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "d097452baef86dbdf2f16c8a387a68de18e4aef8f17aaa027aa52d507e564a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d097452baef86dbdf2f16c8a387a68de18e4aef8f17aaa027aa52d507e564a64", kill_on_drop: false }`
[INFO] [stdout] d097452baef86dbdf2f16c8a387a68de18e4aef8f17aaa027aa52d507e564a64