[INFO] fetching crate stackstack 0.3.0...
[INFO] testing stackstack-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate stackstack 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stackstack 0.3.0
[INFO] finished tweaking crates.io crate stackstack 0.3.0
[INFO] tweaked toml for crates.io crate stackstack 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackstack 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] d77dc07887813c6da109cba028cb462b85df73296e7d04140e5b8be56470c336
[INFO] running `Command { std: "docker" "start" "-a" "d77dc07887813c6da109cba028cb462b85df73296e7d04140e5b8be56470c336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d77dc07887813c6da109cba028cb462b85df73296e7d04140e5b8be56470c336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77dc07887813c6da109cba028cb462b85df73296e7d04140e5b8be56470c336", kill_on_drop: false }`
[INFO] [stdout] d77dc07887813c6da109cba028cb462b85df73296e7d04140e5b8be56470c336
[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] 3d4cd2bf5c97a7c8eb0913c64864413c0fb2a2b2f054596a964bf37c339346c6
[INFO] running `Command { std: "docker" "start" "-a" "3d4cd2bf5c97a7c8eb0913c64864413c0fb2a2b2f054596a964bf37c339346c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackstack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "3d4cd2bf5c97a7c8eb0913c64864413c0fb2a2b2f054596a964bf37c339346c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4cd2bf5c97a7c8eb0913c64864413c0fb2a2b2f054596a964bf37c339346c6", kill_on_drop: false }`
[INFO] [stdout] 3d4cd2bf5c97a7c8eb0913c64864413c0fb2a2b2f054596a964bf37c339346c6
[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] 54b624847c500d12873d54960406fd2247ef76ad6e05e79461af4b39102aab8a
[INFO] running `Command { std: "docker" "start" "-a" "54b624847c500d12873d54960406fd2247ef76ad6e05e79461af4b39102aab8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling stackstack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.80s
[INFO] running `Command { std: "docker" "inspect" "54b624847c500d12873d54960406fd2247ef76ad6e05e79461af4b39102aab8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b624847c500d12873d54960406fd2247ef76ad6e05e79461af4b39102aab8a", kill_on_drop: false }`
[INFO] [stdout] 54b624847c500d12873d54960406fd2247ef76ad6e05e79461af4b39102aab8a
[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] 28980da1fb68fe6a381c4a3dfc71356b3b729e1a9fa7cc492e3056f7d22f6132
[INFO] running `Command { std: "docker" "start" "-a" "28980da1fb68fe6a381c4a3dfc71356b3b729e1a9fa7cc492e3056f7d22f6132", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stackstack-4b0e2a0828724c53)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::on_chained ... ok
[INFO] [stdout] test tests::rev ... ok
[INFO] [stdout] test tests::get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stackstack
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::is_empty (line 227) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::iter (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::first (line 262) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::last (line 271) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::chained (line 378) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::into_split_last (line 310) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::get (line 235) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::last_mut (line 284) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::pushed (line 198) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::new (line 171) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::len (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::of (line 182) ... ok
[INFO] [stdout] test src/lib.rs - stack (line 456) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::with_all (line 353) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::split_last (line 297) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::with (line 338) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28980da1fb68fe6a381c4a3dfc71356b3b729e1a9fa7cc492e3056f7d22f6132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28980da1fb68fe6a381c4a3dfc71356b3b729e1a9fa7cc492e3056f7d22f6132", kill_on_drop: false }`
[INFO] [stdout] 28980da1fb68fe6a381c4a3dfc71356b3b729e1a9fa7cc492e3056f7d22f6132