[INFO] fetching crate dyn-context 0.19.0...
[INFO] checking dyn-context-0.19.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate dyn-context 0.19.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dyn-context 0.19.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dyn-context 0.19.0
[INFO] finished tweaking crates.io crate dyn-context 0.19.0
[INFO] tweaked toml for crates.io crate dyn-context 0.19.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generics v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41a2d4931af2c388e6a8c422d7fd294430d2c99dd2bf74af9378b5cb15a3f196
[INFO] running `Command { std: "docker" "start" "-a" "41a2d4931af2c388e6a8c422d7fd294430d2c99dd2bf74af9378b5cb15a3f196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41a2d4931af2c388e6a8c422d7fd294430d2c99dd2bf74af9378b5cb15a3f196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a2d4931af2c388e6a8c422d7fd294430d2c99dd2bf74af9378b5cb15a3f196", kill_on_drop: false }`
[INFO] [stdout] 41a2d4931af2c388e6a8c422d7fd294430d2c99dd2bf74af9378b5cb15a3f196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 296fb4429fe0554f0d4e5117ab5843272cfa40e431e2c7eed6b0ee0beb0832e8
[INFO] running `Command { std: "docker" "start" "-a" "296fb4429fe0554f0d4e5117ab5843272cfa40e431e2c7eed6b0ee0beb0832e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking generics v0.5.3
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking dyn-context v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `free_lifetimes` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 78  | / macro_rules! free_lifetimes {
[INFO] [stdout] 79  | |     (
[INFO] [stdout] 80  | |         $(#[$attr:meta])*
[INFO] [stdout] 81  | |         $vis:vis struct $name:ident $($token:tt)*
[INFO] [stdout] ...   |
[INFO] [stdout] 89  | |     };
[INFO] [stdout] 90  | | }
[INFO] [stdout]     | |_- the item `free_lifetimes` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 354 |       use crate::free_lifetimes;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PrivStr` is never constructed
[INFO] [stdout]    --> src/lib.rs:401:12
[INFO] [stdout]     |
[INFO] [stdout] 401 |     struct PrivStr;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrivStr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dyn-context` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "296fb4429fe0554f0d4e5117ab5843272cfa40e431e2c7eed6b0ee0beb0832e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296fb4429fe0554f0d4e5117ab5843272cfa40e431e2c7eed6b0ee0beb0832e8", kill_on_drop: false }`
[INFO] [stdout] 296fb4429fe0554f0d4e5117ab5843272cfa40e431e2c7eed6b0ee0beb0832e8
[INFO] checking dyn-context-0.19.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate dyn-context 0.19.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate dyn-context 0.19.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dyn-context 0.19.0
[INFO] finished tweaking crates.io crate dyn-context 0.19.0
[INFO] tweaked toml for crates.io crate dyn-context 0.19.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e576b79b83e0705f75cc16f9b058480aff3923038bc6e444d1760d6866e107c4
[INFO] running `Command { std: "docker" "start" "-a" "e576b79b83e0705f75cc16f9b058480aff3923038bc6e444d1760d6866e107c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e576b79b83e0705f75cc16f9b058480aff3923038bc6e444d1760d6866e107c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e576b79b83e0705f75cc16f9b058480aff3923038bc6e444d1760d6866e107c4", kill_on_drop: false }`
[INFO] [stdout] e576b79b83e0705f75cc16f9b058480aff3923038bc6e444d1760d6866e107c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63cbad16c99ad41c8ec1371d08603b0bed9947240b1c329d72e93162fdf9a1ae
[INFO] running `Command { std: "docker" "start" "-a" "63cbad16c99ad41c8ec1371d08603b0bed9947240b1c329d72e93162fdf9a1ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking generics v0.5.3
[INFO] [stderr]     Checking dyn-context v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `free_lifetimes` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 78  | / macro_rules! free_lifetimes {
[INFO] [stdout] 79  | |     (
[INFO] [stdout] 80  | |         $(#[$attr:meta])*
[INFO] [stdout] 81  | |         $vis:vis struct $name:ident $($token:tt)*
[INFO] [stdout] ...   |
[INFO] [stdout] 89  | |     };
[INFO] [stdout] 90  | | }
[INFO] [stdout]     | |_- the item `free_lifetimes` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 354 |       use crate::free_lifetimes;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PrivStr` is never constructed
[INFO] [stdout]    --> src/lib.rs:401:12
[INFO] [stdout]     |
[INFO] [stdout] 401 |     struct PrivStr;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrivStr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dyn-context` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "63cbad16c99ad41c8ec1371d08603b0bed9947240b1c329d72e93162fdf9a1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cbad16c99ad41c8ec1371d08603b0bed9947240b1c329d72e93162fdf9a1ae", kill_on_drop: false }`
[INFO] [stdout] 63cbad16c99ad41c8ec1371d08603b0bed9947240b1c329d72e93162fdf9a1ae
