[INFO] fetching crate rollercoaster 0.0.4...
[INFO] testing rollercoaster-0.0.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rollercoaster 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rollercoaster 0.0.4
[INFO] finished tweaking crates.io crate rollercoaster 0.0.4
[INFO] tweaked toml for crates.io crate rollercoaster 0.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rollercoaster 0.0.4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 355ed60a15eb6f63c4098629862a7280226bc466e97334e0866fa359f4a3a61a
[INFO] running `Command { std: "docker" "start" "-a" "355ed60a15eb6f63c4098629862a7280226bc466e97334e0866fa359f4a3a61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "355ed60a15eb6f63c4098629862a7280226bc466e97334e0866fa359f4a3a61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355ed60a15eb6f63c4098629862a7280226bc466e97334e0866fa359f4a3a61a", kill_on_drop: false }`
[INFO] [stdout] 355ed60a15eb6f63c4098629862a7280226bc466e97334e0866fa359f4a3a61a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a16397a858eac2b1acd3eb3836dd6c56c937abbb39de4a2605ae09fb0953ef
[INFO] running `Command { std: "docker" "start" "-a" "28a16397a858eac2b1acd3eb3836dd6c56c937abbb39de4a2605ae09fb0953ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling rollercoaster v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "28a16397a858eac2b1acd3eb3836dd6c56c937abbb39de4a2605ae09fb0953ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a16397a858eac2b1acd3eb3836dd6c56c937abbb39de4a2605ae09fb0953ef", kill_on_drop: false }`
[INFO] [stdout] 28a16397a858eac2b1acd3eb3836dd6c56c937abbb39de4a2605ae09fb0953ef
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f99a62e3d1783a6be4a7c17bc529569ad7b4443cd41f81c7c0ae22771db17839
[INFO] running `Command { std: "docker" "start" "-a" "f99a62e3d1783a6be4a7c17bc529569ad7b4443cd41f81c7c0ae22771db17839", kill_on_drop: false }`
[INFO] [stderr]    Compiling rollercoaster v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "f99a62e3d1783a6be4a7c17bc529569ad7b4443cd41f81c7c0ae22771db17839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99a62e3d1783a6be4a7c17bc529569ad7b4443cd41f81c7c0ae22771db17839", kill_on_drop: false }`
[INFO] [stdout] f99a62e3d1783a6be4a7c17bc529569ad7b4443cd41f81c7c0ae22771db17839
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28ded0524e7d585ec710b2eb754244a718ffb784407541a406ab97319d05c30b
[INFO] running `Command { std: "docker" "start" "-a" "28ded0524e7d585ec710b2eb754244a718ffb784407541a406ab97319d05c30b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rollercoaster-60a9adac5b1438db)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test grouping::test::it_groups_correctly ... ok
[INFO] [stdout] test memory::test::it_remembers ... ok
[INFO] [stdout] test concat::test::it_concats_both_ways ... ok
[INFO] [stdout] test memory::test::it_forgets ... ok
[INFO] [stdout] test unique::test::it_returns_unique ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rollercoaster
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Rollercoaster::group_by (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::prepend (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::memory (line 26) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster (line 11) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::append (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::unique (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::unique_by (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28ded0524e7d585ec710b2eb754244a718ffb784407541a406ab97319d05c30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ded0524e7d585ec710b2eb754244a718ffb784407541a406ab97319d05c30b", kill_on_drop: false }`
[INFO] [stdout] 28ded0524e7d585ec710b2eb754244a718ffb784407541a406ab97319d05c30b