[INFO] fetching crate irgo 0.2.0...
[INFO] testing irgo-0.2.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate irgo 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate irgo 0.2.0
[INFO] finished tweaking crates.io crate irgo 0.2.0
[INFO] tweaked toml for crates.io crate irgo 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate irgo 0.2.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate irgo 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe231148b1f4beabaf995e25da013722c202f7a609a36a95113e7d45b87c19cf
[INFO] running `Command { std: "docker" "start" "-a" "fe231148b1f4beabaf995e25da013722c202f7a609a36a95113e7d45b87c19cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe231148b1f4beabaf995e25da013722c202f7a609a36a95113e7d45b87c19cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe231148b1f4beabaf995e25da013722c202f7a609a36a95113e7d45b87c19cf", kill_on_drop: false }`
[INFO] [stdout] fe231148b1f4beabaf995e25da013722c202f7a609a36a95113e7d45b87c19cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6a2c960d40d1836d0563cd65c2dbd3c308ff869f8f201e83fe50147a576303
[INFO] running `Command { std: "docker" "start" "-a" "7f6a2c960d40d1836d0563cd65c2dbd3c308ff869f8f201e83fe50147a576303", kill_on_drop: false }`
[INFO] [stderr]    Compiling irgo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "7f6a2c960d40d1836d0563cd65c2dbd3c308ff869f8f201e83fe50147a576303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6a2c960d40d1836d0563cd65c2dbd3c308ff869f8f201e83fe50147a576303", kill_on_drop: false }`
[INFO] [stdout] 7f6a2c960d40d1836d0563cd65c2dbd3c308ff869f8f201e83fe50147a576303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d479d4a392bbda1d629bae54f92609905110e8fcb32e1bb3b89e3cb7bd1eb731
[INFO] running `Command { std: "docker" "start" "-a" "d479d4a392bbda1d629bae54f92609905110e8fcb32e1bb3b89e3cb7bd1eb731", kill_on_drop: false }`
[INFO] [stderr]    Compiling irgo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:623:13
[INFO] [stdout]     |
[INFO] [stdout] 623 |         let mut dropped = Leak { sa: String::from("foo")  };
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "d479d4a392bbda1d629bae54f92609905110e8fcb32e1bb3b89e3cb7bd1eb731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d479d4a392bbda1d629bae54f92609905110e8fcb32e1bb3b89e3cb7bd1eb731", kill_on_drop: false }`
[INFO] [stdout] d479d4a392bbda1d629bae54f92609905110e8fcb32e1bb3b89e3cb7bd1eb731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00fb138e0b7c302be4c674fde9d5b869b24560fab7a0dfe667faca122cc4ac88
[INFO] running `Command { std: "docker" "start" "-a" "00fb138e0b7c302be4c674fde9d5b869b24560fab7a0dfe667faca122cc4ac88", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:623:13
[INFO] [stderr]     |
[INFO] [stderr] 623 |         let mut dropped = Leak { sa: String::from("foo")  };
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `irgo` (lib test) generated 1 warning (run `cargo fix --lib -p irgo --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/irgo-20e893c09d565952)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_defer ... ok
[INFO] [stdout] test tests::test_defer_unwind_2 ... ok
[INFO] [stdout] test tests::test_dropped_once_when_not_run ... ok
[INFO] [stdout] test tests::test_into_inner ... ok
[INFO] [stdout] test tests::test_defer_success_1 ... ok
[INFO] [stdout] test tests::test_only_dropped_by_closure_when_run ... ok
[INFO] [stdout] test tests::test_guard_leak ... ok
[INFO] [stdout] test tests::test_defer_success_2 ... ok
[INFO] [stdout] test tests::test_defer_unwind_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests irgo
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - guard_on_unwind (line 421) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 73) ... FAILED
[INFO] [stdout] test src/lib.rs - Scope<T,F,S>::into_inner (line 335) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 36) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 105) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - guard_on_unwind (line 421) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `rgo`
[INFO] [stdout]    --> src/lib.rs:422:1
[INFO] [stdout]     |
[INFO] [stdout] 422 | extern crate rgo;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 73) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `rgo`
[INFO] [stdout]   --> src/lib.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | extern crate rgo;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut file = rgo::ensure(f, |f| {
[INFO] [stdout]    |                                    ^
[INFO] [stdout] 89 |         // ensure we flush file at return or panic
[INFO] [stdout] 90 |         let _ = f.sync_all();
[INFO] [stdout]    |                 - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut file = rgo::ensure(f, |f: /* Type */| {
[INFO] [stdout]    |                                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0463.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Scope<T,F,S>::into_inner (line 335) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `rgo`
[INFO] [stdout]    --> src/lib.rs:336:1
[INFO] [stdout]     |
[INFO] [stdout] 336 | extern crate rgo;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:342:41
[INFO] [stdout]     |
[INFO] [stdout] 342 |     let mut guard = ensure(Vec::new(), |mut v| v.clear());
[INFO] [stdout]     |                                         ^^^^^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 342 |     let mut guard = ensure(Vec::new(), |mut v: /* Type */| v.clear());
[INFO] [stdout]     |                                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0463.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 36) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `rgo`
[INFO] [stdout]   --> src/lib.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[macro_use(defer)] extern crate rgo;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `defer` in this scope
[INFO] [stdout]   --> src/lib.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         defer! {
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 38 + use irgo::defer;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `rgo`
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate rgo;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 105) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `rgo`
[INFO] [stdout]    --> src/lib.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | extern crate rgo;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 105)
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout]     src/lib.rs - (line 36)
[INFO] [stdout]     src/lib.rs - (line 73)
[INFO] [stdout]     src/lib.rs - Scope<T,F,S>::into_inner (line 335)
[INFO] [stdout]     src/lib.rs - guard_on_unwind (line 421)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "00fb138e0b7c302be4c674fde9d5b869b24560fab7a0dfe667faca122cc4ac88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00fb138e0b7c302be4c674fde9d5b869b24560fab7a0dfe667faca122cc4ac88", kill_on_drop: false }`
[INFO] [stdout] 00fb138e0b7c302be4c674fde9d5b869b24560fab7a0dfe667faca122cc4ac88
