[INFO] fetching crate libsugar 2.4.1...
[INFO] testing libsugar-2.4.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate libsugar 2.4.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate libsugar 2.4.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsugar 2.4.1
[INFO] finished tweaking crates.io crate libsugar 2.4.1
[INFO] tweaked toml for crates.io crate libsugar 2.4.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuples v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e26a26c25ebcae3d1da1597f90da323170b471fc5be5d28869e90cd6d8556c80
[INFO] running `Command { std: "docker" "start" "-a" "e26a26c25ebcae3d1da1597f90da323170b471fc5be5d28869e90cd6d8556c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e26a26c25ebcae3d1da1597f90da323170b471fc5be5d28869e90cd6d8556c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26a26c25ebcae3d1da1597f90da323170b471fc5be5d28869e90cd6d8556c80", kill_on_drop: false }`
[INFO] [stdout] e26a26c25ebcae3d1da1597f90da323170b471fc5be5d28869e90cd6d8556c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7101d162f44bc2caf602998c688e1be49e81754c22f7db8242734392c8464929
[INFO] running `Command { std: "docker" "start" "-a" "7101d162f44bc2caf602998c688e1be49e81754c22f7db8242734392c8464929", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuples v1.4.1
[INFO] [stderr]    Compiling libsugar v2.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/chain_panic.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         panic!(self)
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]   = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]   |
[INFO] [stdout] 8 |         panic!("{}", self)
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]   |
[INFO] [stdout] 8 |         std::panic::panic_any(self)
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "7101d162f44bc2caf602998c688e1be49e81754c22f7db8242734392c8464929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7101d162f44bc2caf602998c688e1be49e81754c22f7db8242734392c8464929", kill_on_drop: false }`
[INFO] [stdout] 7101d162f44bc2caf602998c688e1be49e81754c22f7db8242734392c8464929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d90a5797e7af9bfcac0d783169bca6c894cb0c4f94405a6ce3f1d20842600871
[INFO] running `Command { std: "docker" "start" "-a" "d90a5797e7af9bfcac0d783169bca6c894cb0c4f94405a6ce3f1d20842600871", kill_on_drop: false }`
[INFO] [stderr]    Compiling libsugar v2.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/chain_panic.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         panic!(self)
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]   = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]   |
[INFO] [stdout] 8 |         panic!("{}", self)
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]   |
[INFO] [stdout] 8 |         std::panic::panic_any(self)
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/chain_panic.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         panic!(self)
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]   = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]   |
[INFO] [stdout] 8 |         panic!("{}", self)
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]   |
[INFO] [stdout] 8 |         std::panic::panic_any(self)
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "d90a5797e7af9bfcac0d783169bca6c894cb0c4f94405a6ce3f1d20842600871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90a5797e7af9bfcac0d783169bca6c894cb0c4f94405a6ce3f1d20842600871", kill_on_drop: false }`
[INFO] [stdout] d90a5797e7af9bfcac0d783169bca6c894cb0c4f94405a6ce3f1d20842600871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 876cd8b5c32cfdb4ede76a18692eb7d81f8b9f5ee0733ecc0d0b4dc05213408c
[INFO] running `Command { std: "docker" "start" "-a" "876cd8b5c32cfdb4ede76a18692eb7d81f8b9f5ee0733ecc0d0b4dc05213408c", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]  --> src/chain_panic.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |         panic!(self)
[INFO] [stderr]   |                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]   = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]   |
[INFO] [stderr] 8 |         panic!("{}", self)
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]   |
[INFO] [stderr] 8 |         std::panic::panic_any(self)
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]  --> src/chain_panic.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |         panic!(self)
[INFO] [stderr]   |                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]   = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]   |
[INFO] [stderr] 8 |         panic!("{}", self)
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]   |
[INFO] [stderr] 8 |         std::panic::panic_any(self)
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libsugar-5f085362069a3281)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::test_in ... ok
[INFO] [stdout] test tests::test_match ... ok
[INFO] [stdout] test tests::test_macro_map_map_like ... ok
[INFO] [stdout] test tests::test_let ... ok
[INFO] [stdout] test tests::test_macro_set_set_like ... ok
[INFO] [stdout] test tests::test_using ... ok
[INFO] [stdout] test tests::test_batch ... ok
[INFO] [stdout] test combin::tests::test_combin_tuple ... ok
[INFO] [stdout] test once_get::test ... ok
[INFO] [stdout] test chain_panic::tests::test_panic - should panic ... ok
[INFO] [stdout] test chain_todo::tests::test_todo - should panic ... ok
[INFO] [stdout] test chain_todo::tests::test_todo_msg - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libsugar
[INFO] [stdout] 
[INFO] [stdout] running 65 tests
[INFO] [stdout] test src/lib.rs - bop (line 277) ... ignored
[INFO] [stdout] test src/lib.rs - bop (line 282) ... ignored
[INFO] [stdout] test src/lib.rs - bop (line 130) - compile ... ok
[INFO] [stdout] test src/macro_lit.rs - map (line 160) ... FAILED
[INFO] [stdout] test src/macro_lit.rs - set (line 291) ... FAILED
[INFO] [stdout] test src/macro_lit.rs - btmap (line 226) ... FAILED
[INFO] [stdout] test src/macro_lit.rs - btset (line 351) ... FAILED
[INFO] [stdout] test src/macro_lit.rs - map (line 184) ... FAILED
[INFO] [stdout] test src/macro_lit.rs - map_append (line 261) ... FAILED
[INFO] [stdout] test src/side_effect.rs - using (line 19) - compile ... ok
[INFO] [stdout] test src/macro_lit.rs - set (line 312) ... FAILED
[INFO] [stdout] test src/side_effect.rs - side_effect::Used::used (line 47) ... FAILED
[INFO] [stdout] test src/macro_lit.rs - map_append (line 273) ... FAILED
[INFO] [stdout] test src/macro_lit.rs - new (line 9) ... FAILED
[INFO] [stdout] test src/side_effect.rs - side_effect::Also (line 62) ... FAILED
[INFO] [stdout] test src/macro_lit.rs - set (line 320) ... FAILED
[INFO] [stdout] test src/side_effect.rs - side_effect::Also::also (line 70) ... FAILED
[INFO] [stdout] test src/side_effect.rs - using (line 5) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name libsugar --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libsugar=/opt/rustwide/target/debug/deps/liblibsugar-691b2a61a8326610.rlib --extern tuples=/opt/rustwide/target/debug/deps/libtuples-1efee2abeb81de12.rlib -C embed-bitcode=no --cfg 'feature="chain_drop"' --cfg 'feature="chain_panic"' --cfg 'feature="chain_todo"' --cfg 'feature="combin"' --cfg 'feature="default"' --cfg 'feature="macro-lit"' --cfg 'feature="named-into"' --cfg 'feature="once_get"' --cfg 'feature="re-exports"' --cfg 'feature="side-effect"' --cfg 'feature="std"' --cfg 'feature="tuples"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "876cd8b5c32cfdb4ede76a18692eb7d81f8b9f5ee0733ecc0d0b4dc05213408c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876cd8b5c32cfdb4ede76a18692eb7d81f8b9f5ee0733ecc0d0b4dc05213408c", kill_on_drop: false }`
[INFO] [stdout] 876cd8b5c32cfdb4ede76a18692eb7d81f8b9f5ee0733ecc0d0b4dc05213408c
