[INFO] fetching crate clone_from 0.1.0...
[INFO] checking clone_from-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate clone_from 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate clone_from 0.1.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clone_from 0.1.0
[INFO] finished tweaking crates.io crate clone_from 0.1.0
[INFO] tweaked toml for crates.io crate clone_from 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dbc4f58707e09be8cf3f5b8ce311096f39f0aceadf57b4d4054a503b5996677
[INFO] running `Command { std: "docker" "start" "-a" "9dbc4f58707e09be8cf3f5b8ce311096f39f0aceadf57b4d4054a503b5996677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dbc4f58707e09be8cf3f5b8ce311096f39f0aceadf57b4d4054a503b5996677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbc4f58707e09be8cf3f5b8ce311096f39f0aceadf57b4d4054a503b5996677", kill_on_drop: false }`
[INFO] [stdout] 9dbc4f58707e09be8cf3f5b8ce311096f39f0aceadf57b4d4054a503b5996677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5cb420db78d02dcf87a751bd75ce36d22390acbcc121c3e295b34da7e4ab843
[INFO] running `Command { std: "docker" "start" "-a" "b5cb420db78d02dcf87a751bd75ce36d22390acbcc121c3e295b34da7e4ab843", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking clone_from v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MyTest` is never constructed
[INFO] [stdout]  --> tests/integration_test.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct MyTest {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyTestGeneric` is never constructed
[INFO] [stdout]   --> tests/integration_test.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct MyTestGeneric<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnnamedStruct` is never constructed
[INFO] [stdout]   --> tests/integration_test.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct UnnamedStruct<'a, T>(T, &'a T, String, u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "b5cb420db78d02dcf87a751bd75ce36d22390acbcc121c3e295b34da7e4ab843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cb420db78d02dcf87a751bd75ce36d22390acbcc121c3e295b34da7e4ab843", kill_on_drop: false }`
[INFO] [stdout] b5cb420db78d02dcf87a751bd75ce36d22390acbcc121c3e295b34da7e4ab843
[INFO] checking clone_from-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate clone_from 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate clone_from 0.1.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clone_from 0.1.0
[INFO] finished tweaking crates.io crate clone_from 0.1.0
[INFO] tweaked toml for crates.io crate clone_from 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93362e430757abb557a5b3d09601b80dccca883ad43ab8610a4087b77c9e5ad1
[INFO] running `Command { std: "docker" "start" "-a" "93362e430757abb557a5b3d09601b80dccca883ad43ab8610a4087b77c9e5ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93362e430757abb557a5b3d09601b80dccca883ad43ab8610a4087b77c9e5ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93362e430757abb557a5b3d09601b80dccca883ad43ab8610a4087b77c9e5ad1", kill_on_drop: false }`
[INFO] [stdout] 93362e430757abb557a5b3d09601b80dccca883ad43ab8610a4087b77c9e5ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb7ac1c4683c4a16bffab635e9931ca50420c0d6853a3de7d8f6bb4780f6fdc6
[INFO] running `Command { std: "docker" "start" "-a" "eb7ac1c4683c4a16bffab635e9931ca50420c0d6853a3de7d8f6bb4780f6fdc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking clone_from v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MyTest` is never constructed
[INFO] [stdout]  --> tests/integration_test.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct MyTest {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyTestGeneric` is never constructed
[INFO] [stdout]   --> tests/integration_test.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct MyTestGeneric<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnnamedStruct` is never constructed
[INFO] [stdout]   --> tests/integration_test.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct UnnamedStruct<'a, T>(T, &'a T, String, u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "eb7ac1c4683c4a16bffab635e9931ca50420c0d6853a3de7d8f6bb4780f6fdc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7ac1c4683c4a16bffab635e9931ca50420c0d6853a3de7d8f6bb4780f6fdc6", kill_on_drop: false }`
[INFO] [stdout] eb7ac1c4683c4a16bffab635e9931ca50420c0d6853a3de7d8f6bb4780f6fdc6