[INFO] fetching crate shoebill 0.1.5...
[INFO] testing shoebill-0.1.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate shoebill 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate shoebill 0.1.5
[INFO] finished tweaking crates.io crate shoebill 0.1.5
[INFO] tweaked toml for crates.io crate shoebill 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shoebill 0.1.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shoebill 0.1.5 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5f3be39be88214f1a34053de00fd3a56c8d8fd0e99e0e9c2083bfc46d3db866
[INFO] running `Command { std: "docker" "start" "-a" "e5f3be39be88214f1a34053de00fd3a56c8d8fd0e99e0e9c2083bfc46d3db866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5f3be39be88214f1a34053de00fd3a56c8d8fd0e99e0e9c2083bfc46d3db866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f3be39be88214f1a34053de00fd3a56c8d8fd0e99e0e9c2083bfc46d3db866", kill_on_drop: false }`
[INFO] [stdout] e5f3be39be88214f1a34053de00fd3a56c8d8fd0e99e0e9c2083bfc46d3db866
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fbcad278343a9b7f05d97d8072a197c500407b9bf71279da1edefc8bf10b5bd
[INFO] running `Command { std: "docker" "start" "-a" "2fbcad278343a9b7f05d97d8072a197c500407b9bf71279da1edefc8bf10b5bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shoebill v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `dedup` is never read
[INFO] [stdout]    --> src/lib.rs:540:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | pub struct Printer<'p> {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 540 |     dedup : bool,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Printer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "2fbcad278343a9b7f05d97d8072a197c500407b9bf71279da1edefc8bf10b5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbcad278343a9b7f05d97d8072a197c500407b9bf71279da1edefc8bf10b5bd", kill_on_drop: false }`
[INFO] [stdout] 2fbcad278343a9b7f05d97d8072a197c500407b9bf71279da1edefc8bf10b5bd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9db3e8a84b9929b711f34d71bb5e706ab239da282c29500a6ba2eb0f13694b54
[INFO] running `Command { std: "docker" "start" "-a" "9db3e8a84b9929b711f34d71bb5e706ab239da282c29500a6ba2eb0f13694b54", kill_on_drop: false }`
[INFO] [stdout] warning: field `dedup` is never read
[INFO] [stdout]    --> src/lib.rs:540:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | pub struct Printer<'p> {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 540 |     dedup : bool,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Printer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling shoebill v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `dedup` is never read
[INFO] [stdout]    --> src/lib.rs:540:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | pub struct Printer<'p> {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 540 |     dedup : bool,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Printer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "9db3e8a84b9929b711f34d71bb5e706ab239da282c29500a6ba2eb0f13694b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db3e8a84b9929b711f34d71bb5e706ab239da282c29500a6ba2eb0f13694b54", kill_on_drop: false }`
[INFO] [stdout] 9db3e8a84b9929b711f34d71bb5e706ab239da282c29500a6ba2eb0f13694b54
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7932c04406635e2f9c395f5c1a0ee301d4171e752c5be283de2482433c06f51
[INFO] running `Command { std: "docker" "start" "-a" "c7932c04406635e2f9c395f5c1a0ee301d4171e752c5be283de2482433c06f51", kill_on_drop: false }`
[INFO] [stderr] warning: field `dedup` is never read
[INFO] [stderr]    --> src/lib.rs:540:5
[INFO] [stderr]     |
[INFO] [stderr] 537 | pub struct Printer<'p> {
[INFO] [stderr]     |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 540 |     dedup : bool,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Printer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shoebill` (lib) generated 1 warning
[INFO] [stderr] warning: `shoebill` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shoebill-ae83d3c19b17364b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test unit_tests::flat_len_test1 ... ok
[INFO] [stdout] test unit_tests::flat_len_test4 ... ok
[INFO] [stdout] test unit_tests::flat_len_test2 ... ok
[INFO] [stdout] test unit_tests::flat_len_test5 ... ok
[INFO] [stdout] test unit_tests::flat_len_test6 ... ok
[INFO] [stdout] test unit_tests::flat_len_test7 ... ok
[INFO] [stdout] test unit_tests::flat_len_test8 ... ok
[INFO] [stdout] test unit_tests::flat_len_test3 ... ok
[INFO] [stdout] test unit_tests::flat_len_test9 ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bracket_tests.rs (/opt/rustwide/target/debug/deps/bracket_tests-1b6fb8515505f3f2)
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test bracket_test1 ... ok
[INFO] [stdout] test bracket_test2 ... ok
[INFO] [stdout] test bracket_test4 ... ok
[INFO] [stdout] test bracket_test5 ... ok
[INFO] [stdout] test bracket_test3 ... ok
[INFO] [stdout] test bracket_test6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pp_tests.rs (/opt/rustwide/target/debug/deps/pp_tests-4748366385761842)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test group_test0 ... ok
[INFO] [stdout] test group_test1 ... ok
[INFO] [stdout] test group_test3 ... ok
[INFO] [stdout] test group_test2 ... ok
[INFO] [stdout] test group_test4 ... ok
[INFO] [stdout] test test10 ... ok
[INFO] [stdout] test test11 ... ok
[INFO] [stdout] test test14 ... ok
[INFO] [stdout] test test13 ... ok
[INFO] [stdout] test test16 ... ok
[INFO] [stdout] test test12 ... ok
[INFO] [stdout] test test18 ... ok
[INFO] [stdout] test test19 ... ok
[INFO] [stdout] test test2 ... ok
[INFO] [stdout] test test15 ... ok
[INFO] [stdout] test test1 ... ok
[INFO] [stdout] test test20 ... ok
[INFO] [stdout] test test22 ... ok
[INFO] [stdout] test test23 ... ok
[INFO] [stdout] test test24 ... ok
[INFO] [stdout] test test25 ... ok
[INFO] [stdout] test test26 ... ok
[INFO] [stdout] test test27 ... ok
[INFO] [stdout] test test28 ... ok
[INFO] [stdout] test test29 ... ok
[INFO] [stdout] test test3 ... ok
[INFO] [stdout] test test31 ... ok
[INFO] [stdout] test test30 ... ok
[INFO] [stdout] test test5 ... ok
[INFO] [stdout] test test4 ... ok
[INFO] [stdout] test test6 ... ok
[INFO] [stdout] test test8 ... ok
[INFO] [stdout] test test7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ron_tests.rs (/opt/rustwide/target/debug/deps/ron_tests-728f04246b878ddc)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test ron_test0_1 ... ok
[INFO] [stdout] test ron_test0_0 ... ok
[INFO] [stdout] test ron_test1_1 ... ok
[INFO] [stdout] test ron_test2_0 ... ok
[INFO] [stdout] test ron_test2_0_1 ... ok
[INFO] [stdout] test ron_test1_0 ... ok
[INFO] [stdout] test ron_test3_0 ... ok
[INFO] [stdout] test ron_test2_1 ... ok
[INFO] [stdout] test ron_test3_1 ... ok
[INFO] [stdout] test ron_test4_1 ... ok
[INFO] [stdout] test ron_test4_2 ... ok
[INFO] [stdout] test ron_test5_1 ... ok
[INFO] [stdout] test ron_test5_0 ... ok
[INFO] [stdout] test ron_test_unit_struct0 ... ok
[INFO] [stdout] test ron_test6_1 ... ok
[INFO] [stdout] test ron_test_unit_struct1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shoebill
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - concat_w (line 86) ... ok
[INFO] [stdout] test src/lib.rs - Renderable (line 440) ... ok
[INFO] [stdout] test src/lib.rs - HasPrinter (line 566) ... ok
[INFO] [stdout] test src/lib.rs - compose (line 154) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 61) ... ok
[INFO] [stdout] test src/lib.rs - compose (line 166) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7932c04406635e2f9c395f5c1a0ee301d4171e752c5be283de2482433c06f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7932c04406635e2f9c395f5c1a0ee301d4171e752c5be283de2482433c06f51", kill_on_drop: false }`
[INFO] [stdout] c7932c04406635e2f9c395f5c1a0ee301d4171e752c5be283de2482433c06f51