[INFO] fetching crate woopsa 0.1.1...
[INFO] checking woopsa-0.1.1 against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] extracting crate woopsa 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate woopsa 0.1.1
[INFO] finished tweaking crates.io crate woopsa 0.1.1
[INFO] tweaked toml for crates.io crate woopsa 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate woopsa 0.1.1 on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "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 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "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-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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3c88157f123642b07f7c44aa7efee4ced9f3956eda0352eb3f21c5aec304e64
[INFO] running `Command { std: "docker" "start" "-a" "d3c88157f123642b07f7c44aa7efee4ced9f3956eda0352eb3f21c5aec304e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c88157f123642b07f7c44aa7efee4ced9f3956eda0352eb3f21c5aec304e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c88157f123642b07f7c44aa7efee4ced9f3956eda0352eb3f21c5aec304e64", kill_on_drop: false }`
[INFO] [stdout] d3c88157f123642b07f7c44aa7efee4ced9f3956eda0352eb3f21c5aec304e64
[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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde90855de013f5527eb04068f01cd27699082f6b9992a8d57cb23dab562bfd5
[INFO] running `Command { std: "docker" "start" "-a" "fde90855de013f5527eb04068f01cd27699082f6b9992a8d57cb23dab562bfd5", kill_on_drop: false }`
[INFO] [stderr]     Checking woopsa v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::protocol::constant::*`
[INFO] [stdout]  --> src/protocol/container.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::protocol::constant::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::protocol::constant::*`
[INFO] [stdout]  --> src/protocol/container.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::protocol::constant::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/json/serialization.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaSerialization {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl dyn WoopsaSerialization {
[INFO] [stdout]   |      +++
[INFO] [stdout] help: you might have intended to implement this trait for a given type
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaSerialization for /* Type */ {
[INFO] [stdout]   |                          ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/json/serialization.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaSerialization {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl dyn WoopsaSerialization {
[INFO] [stdout]   |      +++
[INFO] [stdout] help: you might have intended to implement this trait for a given type
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaSerialization for /* Type */ {
[INFO] [stdout]   |                          ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/json/deserialization.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaDeserialization {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl dyn WoopsaDeserialization {
[INFO] [stdout]   |      +++
[INFO] [stdout] help: you might have intended to implement this trait for a given type
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaDeserialization for /* Type */ {
[INFO] [stdout]   |                            ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/json/deserialization.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaDeserialization {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl dyn WoopsaDeserialization {
[INFO] [stdout]   |      +++
[INFO] [stdout] help: you might have intended to implement this trait for a given type
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaDeserialization for /* Type */ {
[INFO] [stdout]   |                            ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol/method_argument_info.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MethodArgumentInfo {}
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl dyn MethodArgumentInfo {}
[INFO] [stdout]    |      +++
[INFO] [stdout] help: you might have intended to implement this trait for a given type
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MethodArgumentInfo for /* Type */ {}
[INFO] [stdout]    |                         ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol/method_argument_info.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MethodArgumentInfo {}
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl dyn MethodArgumentInfo {}
[INFO] [stdout]    |      +++
[INFO] [stdout] help: you might have intended to implement this trait for a given type
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MethodArgumentInfo for /* Type */ {}
[INFO] [stdout]    |                         ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WoopsaSerialization` is never used
[INFO] [stdout]  --> src/json/serialization.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait WoopsaSerialization {
[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 `WoopsaDeserialization` is never used
[INFO] [stdout]  --> src/json/deserialization.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait WoopsaDeserialization {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Container` is never used
[INFO] [stdout]   --> src/protocol/container.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Container {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Link` is never used
[INFO] [stdout]  --> src/protocol/link.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Link {}
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `URL` is never used
[INFO] [stdout]  --> src/protocol/url.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait URL {}
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WoopsaSerialization` is never used
[INFO] [stdout]  --> src/json/serialization.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait WoopsaSerialization {
[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 `WoopsaDeserialization` is never used
[INFO] [stdout]  --> src/json/deserialization.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait WoopsaDeserialization {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Container` is never used
[INFO] [stdout]   --> src/protocol/container.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait Container {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Link` is never used
[INFO] [stdout]  --> src/protocol/link.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Link {}
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `URL` is never used
[INFO] [stdout]  --> src/protocol/url.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait URL {}
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "fde90855de013f5527eb04068f01cd27699082f6b9992a8d57cb23dab562bfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde90855de013f5527eb04068f01cd27699082f6b9992a8d57cb23dab562bfd5", kill_on_drop: false }`
[INFO] [stdout] fde90855de013f5527eb04068f01cd27699082f6b9992a8d57cb23dab562bfd5
