[INFO] fetching crate coppers 0.1.1...
[INFO] checking coppers-0.1.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate coppers 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate coppers 0.1.1 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 coppers 0.1.1
[INFO] finished tweaking crates.io crate coppers 0.1.1
[INFO] tweaked toml for crates.io crate coppers 0.1.1 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" "+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 pyo3-build-config v0.16.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.6
[INFO] [stderr]   Downloaded pyo3-macros v0.16.6
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.6
[INFO] [stderr]   Downloaded git2 v0.14.4
[INFO] [stderr]   Downloaded pyo3 v0.16.6
[INFO] [stderr]   Downloaded libgit2-sys v0.13.5+1.4.5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a96467465b119883d9af400686c7f273275004660d6fa22d930a32c1bd3313bf
[INFO] running `Command { std: "docker" "start" "-a" "a96467465b119883d9af400686c7f273275004660d6fa22d930a32c1bd3313bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a96467465b119883d9af400686c7f273275004660d6fa22d930a32c1bd3313bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96467465b119883d9af400686c7f273275004660d6fa22d930a32c1bd3313bf", kill_on_drop: false }`
[INFO] [stdout] a96467465b119883d9af400686c7f273275004660d6fa22d930a32c1bd3313bf
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 615ef875688a170c6bba8f95f106b249aaafd58a4b591f83e572973ee00452da
[INFO] running `Command { std: "docker" "start" "-a" "615ef875688a170c6bba8f95f106b249aaafd58a4b591f83e572973ee00452da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.5+1.4.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking coppers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]   --> src/sensors/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::option::Option;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Option` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/sensors/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]   --> src/sensors/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::option::Option;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Option` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/sensors/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `end_col`, `end_line`, `source_file` and 2 other fields in initializer of `TestDesc`
[INFO] [stdout]    --> src/test_runner/mod.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         TestDesc {
[INFO] [stdout]     |         ^^^^^^^^ missing `end_col`, `end_line`, `source_file` and 2 other fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_duration` is never used
[INFO] [stdout]   --> src/sensors/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait Sensor {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn get_duration(&self) -> Duration;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/test_runner/mod.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |                         f();
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 197 |                         let _ = f();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coppers` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "615ef875688a170c6bba8f95f106b249aaafd58a4b591f83e572973ee00452da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615ef875688a170c6bba8f95f106b249aaafd58a4b591f83e572973ee00452da", kill_on_drop: false }`
[INFO] [stdout] 615ef875688a170c6bba8f95f106b249aaafd58a4b591f83e572973ee00452da
[INFO] checking coppers-0.1.1 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate coppers 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate coppers 0.1.1 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 coppers 0.1.1
[INFO] finished tweaking crates.io crate coppers 0.1.1
[INFO] tweaked toml for crates.io crate coppers 0.1.1 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" "+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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05f15435a6771bb166831f6480ca28e75dd898541c11505cb40bafa70c68a3ba
[INFO] running `Command { std: "docker" "start" "-a" "05f15435a6771bb166831f6480ca28e75dd898541c11505cb40bafa70c68a3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f15435a6771bb166831f6480ca28e75dd898541c11505cb40bafa70c68a3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f15435a6771bb166831f6480ca28e75dd898541c11505cb40bafa70c68a3ba", kill_on_drop: false }`
[INFO] [stdout] 05f15435a6771bb166831f6480ca28e75dd898541c11505cb40bafa70c68a3ba
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 631c4d9beecea30a9b717aed699d384b51a440ad4c26545815f9a83ce3b47dc7
[INFO] running `Command { std: "docker" "start" "-a" "631c4d9beecea30a9b717aed699d384b51a440ad4c26545815f9a83ce3b47dc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.5+1.4.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking coppers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]   --> src/sensors/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::option::Option;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Option` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/sensors/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]   --> src/sensors/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::option::Option;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Option` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/sensors/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_duration` is never used
[INFO] [stdout]   --> src/sensors/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait Sensor {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn get_duration(&self) -> Duration;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `end_col`, `end_line`, `source_file` and 2 other fields in initializer of `TestDesc`
[INFO] [stdout]    --> src/test_runner/mod.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         TestDesc {
[INFO] [stdout]     |         ^^^^^^^^ missing `end_col`, `end_line`, `source_file` and 2 other fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/test_runner/mod.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |                         f();
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 197 |                         let _ = f();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coppers` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "631c4d9beecea30a9b717aed699d384b51a440ad4c26545815f9a83ce3b47dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631c4d9beecea30a9b717aed699d384b51a440ad4c26545815f9a83ce3b47dc7", kill_on_drop: false }`
[INFO] [stdout] 631c4d9beecea30a9b717aed699d384b51a440ad4c26545815f9a83ce3b47dc7
