[INFO] fetching crate acme-macros 0.3.1...
[INFO] checking acme-macros-0.3.1 against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] extracting crate acme-macros 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate acme-macros 0.3.1 on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acme-macros 0.3.1
[INFO] finished tweaking crates.io crate acme-macros 0.3.1
[INFO] tweaked toml for crates.io crate acme-macros 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78db58d15301b19897ff2f33df14bac9d0827691386f5402709ceeb144ed870b
[INFO] running `Command { std: "docker" "start" "-a" "78db58d15301b19897ff2f33df14bac9d0827691386f5402709ceeb144ed870b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78db58d15301b19897ff2f33df14bac9d0827691386f5402709ceeb144ed870b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78db58d15301b19897ff2f33df14bac9d0827691386f5402709ceeb144ed870b", kill_on_drop: false }`
[INFO] [stdout] 78db58d15301b19897ff2f33df14bac9d0827691386f5402709ceeb144ed870b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3c973b5aa1682cb8516411aec8eea83ea13064ead2f4eefd871af6c3ccb0bd4
[INFO] running `Command { std: "docker" "start" "-a" "d3c973b5aa1682cb8516411aec8eea83ea13064ead2f4eefd871af6c3ccb0bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.75
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking acme-macros v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Ast` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 8 |     Ast(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/lib.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub type Result<T = ()> = std::result::Result<T, crate::Error>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ast` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 8 |     Ast(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/lib.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub type Result<T = ()> = std::result::Result<T, crate::Error>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ast` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 8 |     Ast(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/lib.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub type Result<T = ()> = std::result::Result<T, crate::Error>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "d3c973b5aa1682cb8516411aec8eea83ea13064ead2f4eefd871af6c3ccb0bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c973b5aa1682cb8516411aec8eea83ea13064ead2f4eefd871af6c3ccb0bd4", kill_on_drop: false }`
[INFO] [stdout] d3c973b5aa1682cb8516411aec8eea83ea13064ead2f4eefd871af6c3ccb0bd4
[INFO] checking acme-macros-0.3.1 against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] extracting crate acme-macros 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate acme-macros 0.3.1 on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acme-macros 0.3.1
[INFO] finished tweaking crates.io crate acme-macros 0.3.1
[INFO] tweaked toml for crates.io crate acme-macros 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d544e201e85daf479797f9ea59a314956d29e5db126840860d04e84979491f89
[INFO] running `Command { std: "docker" "start" "-a" "d544e201e85daf479797f9ea59a314956d29e5db126840860d04e84979491f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d544e201e85daf479797f9ea59a314956d29e5db126840860d04e84979491f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d544e201e85daf479797f9ea59a314956d29e5db126840860d04e84979491f89", kill_on_drop: false }`
[INFO] [stdout] d544e201e85daf479797f9ea59a314956d29e5db126840860d04e84979491f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0d366a2745369331ae0bf00b410860596dc6bb0089e5981aa068d11d3fcd90
[INFO] running `Command { std: "docker" "start" "-a" "8e0d366a2745369331ae0bf00b410860596dc6bb0089e5981aa068d11d3fcd90", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.75
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking acme-macros v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Ast` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 8 |     Ast(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/lib.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub type Result<T = ()> = std::result::Result<T, crate::Error>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ast` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 8 |     Ast(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/lib.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub type Result<T = ()> = std::result::Result<T, crate::Error>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ast` is never constructed
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 8 |     Ast(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/lib.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub type Result<T = ()> = std::result::Result<T, crate::Error>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "8e0d366a2745369331ae0bf00b410860596dc6bb0089e5981aa068d11d3fcd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0d366a2745369331ae0bf00b410860596dc6bb0089e5981aa068d11d3fcd90", kill_on_drop: false }`
[INFO] [stdout] 8e0d366a2745369331ae0bf00b410860596dc6bb0089e5981aa068d11d3fcd90
