[INFO] fetching crate fehler 1.0.0...
[INFO] testing fehler-1.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate fehler 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fehler 1.0.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fehler 1.0.0
[INFO] finished tweaking crates.io crate fehler 1.0.0
[INFO] tweaked toml for crates.io crate fehler 1.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate fehler 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb63339161c6f6c66fcfbad71f2d306c2b435a184991d19a0767439ed2403246
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cb63339161c6f6c66fcfbad71f2d306c2b435a184991d19a0767439ed2403246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb63339161c6f6c66fcfbad71f2d306c2b435a184991d19a0767439ed2403246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb63339161c6f6c66fcfbad71f2d306c2b435a184991d19a0767439ed2403246", kill_on_drop: false }`
[INFO] [stdout] cb63339161c6f6c66fcfbad71f2d306c2b435a184991d19a0767439ed2403246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c493bb5d0956d78b2f93568aa71ca7f5fc9339aec3dc346c9bb6ba28ea604ecf
[INFO] running `Command { std: "docker" "start" "-a" "c493bb5d0956d78b2f93568aa71ca7f5fc9339aec3dc346c9bb6ba28ea604ecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling fehler v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.84s
[INFO] running `Command { std: "docker" "inspect" "c493bb5d0956d78b2f93568aa71ca7f5fc9339aec3dc346c9bb6ba28ea604ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c493bb5d0956d78b2f93568aa71ca7f5fc9339aec3dc346c9bb6ba28ea604ecf", kill_on_drop: false }`
[INFO] [stdout] c493bb5d0956d78b2f93568aa71ca7f5fc9339aec3dc346c9bb6ba28ea604ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1673df4bc17dfee8079afb9092f09301378a62271e5d4fef9d8c09dacaa02c92
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1673df4bc17dfee8079afb9092f09301378a62271e5d4fef9d8c09dacaa02c92", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fehler v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> tests/throws.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout] 99  |     #[throws]
[INFO] [stdout]     |     ^^^^^^^^^ unreachable expression
[INFO] [stdout] 100 |     fn throws_integer() {
[INFO] [stdout] 101 |         throw!(0);
[INFO] [stdout]     |         --------- any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]  --> tests/no_std.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[throws(i32)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 6 | fn no_std_fn() {
[INFO] [stdout] 7 |     throw!(0);
[INFO] [stdout]   |     --------- any code following this expression is unreachable
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]   = note: this warning originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Error`
[INFO] [stdout]   --> tests/throws.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     type Error = i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `throws_integer`
[INFO] [stdout]    --> tests/throws.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn throws_integer() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "1673df4bc17dfee8079afb9092f09301378a62271e5d4fef9d8c09dacaa02c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1673df4bc17dfee8079afb9092f09301378a62271e5d4fef9d8c09dacaa02c92", kill_on_drop: false }`
[INFO] [stdout] 1673df4bc17dfee8079afb9092f09301378a62271e5d4fef9d8c09dacaa02c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 955cdec2a4759945ff0410102465e5a3dd9f2cbd8da194285f63f3e6fc599eb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "955cdec2a4759945ff0410102465e5a3dd9f2cbd8da194285f63f3e6fc599eb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]  --> tests/no_std.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[throws(i32)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 6 | fn no_std_fn() {
[INFO] [stderr] 7 |     throw!(0);
[INFO] [stderr]   |     --------- any code following this expression is unreachable
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]   = note: this warning originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> tests/throws.rs:99:5
[INFO] [stderr]     |
[INFO] [stderr] 99  |     #[throws]
[INFO] [stderr]     |     ^^^^^^^^^ unreachable expression
[INFO] [stderr] 100 |     fn throws_integer() {
[INFO] [stderr] 101 |         throw!(0);
[INFO] [stderr]     |         --------- any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Error`
[INFO] [stderr]   --> tests/throws.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     type Error = i32;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `throws_integer`
[INFO] [stderr]    --> tests/throws.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn throws_integer() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fehler` (test "no_std") generated 1 warning
[INFO] [stderr] warning: `fehler` (test "throws") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fehler-ba8ba73141a0171f)
[INFO] [stderr]      Running tests/no_std.rs (/opt/rustwide/target/debug/deps/no_std-e93a3e231f2f553d)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/option.rs (/opt/rustwide/target/debug/deps/option-337b316cd1761c7d)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_expansion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_outcome_true ... ok
[INFO] [stdout] test test_outcome_false ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/throw.rs (/opt/rustwide/target/debug/deps/throw-2254d539ea2b4e50)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/throws.rs (/opt/rustwide/target/debug/deps/throws-8b50c4c214d08f6f)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test throw_works ... ok
[INFO] [stdout] test throw_infers_ok_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fehler
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - throws (line 42) ... ok
[INFO] [stdout] test src/lib.rs - throws (line 65) ... ok
[INFO] [stdout] test src/lib.rs - throws (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "955cdec2a4759945ff0410102465e5a3dd9f2cbd8da194285f63f3e6fc599eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955cdec2a4759945ff0410102465e5a3dd9f2cbd8da194285f63f3e6fc599eb1", kill_on_drop: false }`
[INFO] [stdout] 955cdec2a4759945ff0410102465e5a3dd9f2cbd8da194285f63f3e6fc599eb1