[INFO] fetching crate misu 0.1.0-alpha.0...
[INFO] testing misu-0.1.0-alpha.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate misu 0.1.0-alpha.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate misu 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate misu 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate misu 0.1.0-alpha.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate misu 0.1.0-alpha.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad21e863dc5ec3e8c471114bca2e8aaf4fc5ab97b0fb21ab1f801e90fd1ecd09
[INFO] running `Command { std: "docker" "start" "-a" "ad21e863dc5ec3e8c471114bca2e8aaf4fc5ab97b0fb21ab1f801e90fd1ecd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad21e863dc5ec3e8c471114bca2e8aaf4fc5ab97b0fb21ab1f801e90fd1ecd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad21e863dc5ec3e8c471114bca2e8aaf4fc5ab97b0fb21ab1f801e90fd1ecd09", kill_on_drop: false }`
[INFO] [stdout] ad21e863dc5ec3e8c471114bca2e8aaf4fc5ab97b0fb21ab1f801e90fd1ecd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6772495c479fffa26b1b6f895e7f2884f9d920560c8480ea0131e97671f3c045
[INFO] running `Command { std: "docker" "start" "-a" "6772495c479fffa26b1b6f895e7f2884f9d920560c8480ea0131e97671f3c045", kill_on_drop: false }`
[INFO] [stderr]    Compiling misu v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ValidStr<V>(Box<str>, PhantomData<V>);
[INFO] [stdout]   |            --------    ^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub struct ValidStr<V>(Box<str>, PhantomData<V>);
[INFO] [stdout] 3 + pub struct ValidStr<V>((), PhantomData<V>);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "6772495c479fffa26b1b6f895e7f2884f9d920560c8480ea0131e97671f3c045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6772495c479fffa26b1b6f895e7f2884f9d920560c8480ea0131e97671f3c045", kill_on_drop: false }`
[INFO] [stdout] 6772495c479fffa26b1b6f895e7f2884f9d920560c8480ea0131e97671f3c045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de20155cafcc116c9934194fd8f34b57a03e21c3e38ecdc59ded7036a0ec693
[INFO] running `Command { std: "docker" "start" "-a" "0de20155cafcc116c9934194fd8f34b57a03e21c3e38ecdc59ded7036a0ec693", kill_on_drop: false }`
[INFO] [stderr]    Compiling misu v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ValidStr<V>(Box<str>, PhantomData<V>);
[INFO] [stdout]   |            --------    ^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub struct ValidStr<V>(Box<str>, PhantomData<V>);
[INFO] [stdout] 3 + pub struct ValidStr<V>((), PhantomData<V>);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ValidStr<V>(Box<str>, PhantomData<V>);
[INFO] [stdout]   |            --------    ^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub struct ValidStr<V>(Box<str>, PhantomData<V>);
[INFO] [stdout] 3 + pub struct ValidStr<V>((), PhantomData<V>);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0de20155cafcc116c9934194fd8f34b57a03e21c3e38ecdc59ded7036a0ec693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de20155cafcc116c9934194fd8f34b57a03e21c3e38ecdc59ded7036a0ec693", kill_on_drop: false }`
[INFO] [stdout] 0de20155cafcc116c9934194fd8f34b57a03e21c3e38ecdc59ded7036a0ec693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 500702b2ea8cd8cd051a751919a333d73ad63f0344380c9add1af4b49ee77dcf
[INFO] running `Command { std: "docker" "start" "-a" "500702b2ea8cd8cd051a751919a333d73ad63f0344380c9add1af4b49ee77dcf", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/lib.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct ValidStr<V>(Box<str>, PhantomData<V>);
[INFO] [stderr]   |            --------    ^^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 3 - pub struct ValidStr<V>(Box<str>, PhantomData<V>);
[INFO] [stderr] 3 + pub struct ValidStr<V>((), PhantomData<V>);
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `misu` (lib) generated 1 warning
[INFO] [stderr] warning: `misu` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/misu-499e167facbb5199)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests misu
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "500702b2ea8cd8cd051a751919a333d73ad63f0344380c9add1af4b49ee77dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500702b2ea8cd8cd051a751919a333d73ad63f0344380c9add1af4b49ee77dcf", kill_on_drop: false }`
[INFO] [stdout] 500702b2ea8cd8cd051a751919a333d73ad63f0344380c9add1af4b49ee77dcf