[INFO] fetching crate sealed 0.6.0...
[INFO] checking sealed-0.6.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate sealed 0.6.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate sealed 0.6.0
[INFO] finished tweaking crates.io crate sealed 0.6.0
[INFO] tweaked toml for crates.io crate sealed 0.6.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sealed 0.6.0 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sealed 0.6.0 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca34cf472002ee4d7045f951c99e87d06b5b633335d4a437a420ef6c723d2259
[INFO] running `Command { std: "docker" "start" "-a" "ca34cf472002ee4d7045f951c99e87d06b5b633335d4a437a420ef6c723d2259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca34cf472002ee4d7045f951c99e87d06b5b633335d4a437a420ef6c723d2259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca34cf472002ee4d7045f951c99e87d06b5b633335d4a437a420ef6c723d2259", kill_on_drop: false }`
[INFO] [stdout] ca34cf472002ee4d7045f951c99e87d06b5b633335d4a437a420ef6c723d2259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e97e21b6d2083fc1ecfc8d7bc2cd87fdfb8da652beb5011594efda754e044a81
[INFO] running `Command { std: "docker" "start" "-a" "e97e21b6d2083fc1ecfc8d7bc2cd87fdfb8da652beb5011594efda754e044a81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking once_cell v1.17.2
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.41
[INFO] [stderr]     Checking basic-toml v0.1.7
[INFO] [stderr]     Checking sealed v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stdout] error: struct `B` is never constructed
[INFO] [stdout]   --> examples/nesting.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct B(i32);
[INFO] [stdout]    |            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/nesting.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct B(i32);
[INFO] [stdout]    |            - ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Foo` is never used
[INFO] [stdout]  --> examples/bound-erasure-fn.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     trait Foo {}
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LongerSnakeCaseType` is never used
[INFO] [stdout]  --> examples/nesting.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |                 pub trait LongerSnakeCaseType {}
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Bar` is never used
[INFO] [stdout]  --> examples/bound-erasure-fn.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     trait Bar {}
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]  --> examples/bound-erasure-fn.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     trait Trait<T: ?Sized + Foo> {}
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Implementor` is never constructed
[INFO] [stdout]   --> examples/bound-erasure-fn.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     struct Implementor {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `B` is never constructed
[INFO] [stdout]  --> examples/simple.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct B(i32);
[INFO] [stdout]   |            ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/simple.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct B(i32);
[INFO] [stdout]   |            - ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Foo` is never used
[INFO] [stdout]  --> examples/bound-erasure.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Foo {}
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]  --> examples/bound-erasure.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Trait<T: ?Sized + Foo> {}
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sealed` (example "nesting") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sealed` (example "simple") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e97e21b6d2083fc1ecfc8d7bc2cd87fdfb8da652beb5011594efda754e044a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97e21b6d2083fc1ecfc8d7bc2cd87fdfb8da652beb5011594efda754e044a81", kill_on_drop: false }`
[INFO] [stdout] e97e21b6d2083fc1ecfc8d7bc2cd87fdfb8da652beb5011594efda754e044a81
