[INFO] fetching crate polynomial 0.2.6...
[INFO] testing polynomial-0.2.6 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate polynomial 0.2.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate polynomial 0.2.6
[INFO] finished tweaking crates.io crate polynomial 0.2.6
[INFO] tweaked toml for crates.io crate polynomial 0.2.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial 0.2.6 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3f8b504528e510cc21d2121cba6b1fec60cb1670fb66af1f5f37be71dfdb280e
[INFO] running `Command { std: "docker" "start" "-a" "3f8b504528e510cc21d2121cba6b1fec60cb1670fb66af1f5f37be71dfdb280e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f8b504528e510cc21d2121cba6b1fec60cb1670fb66af1f5f37be71dfdb280e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8b504528e510cc21d2121cba6b1fec60cb1670fb66af1f5f37be71dfdb280e", kill_on_drop: false }`
[INFO] [stdout] 3f8b504528e510cc21d2121cba6b1fec60cb1670fb66af1f5f37be71dfdb280e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b144718d0187f2aabf27814fedcc73e0356f92023cc3dd64578568e1a5b22634
[INFO] running `Command { std: "docker" "start" "-a" "b144718d0187f2aabf27814fedcc73e0356f92023cc3dd64578568e1a5b22634", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling polynomial v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "b144718d0187f2aabf27814fedcc73e0356f92023cc3dd64578568e1a5b22634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b144718d0187f2aabf27814fedcc73e0356f92023cc3dd64578568e1a5b22634", kill_on_drop: false }`
[INFO] [stdout] b144718d0187f2aabf27814fedcc73e0356f92023cc3dd64578568e1a5b22634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9ea98a5779e7c70967e5433f7569d62f5edccb13f58553ff952b080426e01ac9
[INFO] running `Command { std: "docker" "start" "-a" "9ea98a5779e7c70967e5433f7569d62f5edccb13f58553ff952b080426e01ac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "9ea98a5779e7c70967e5433f7569d62f5edccb13f58553ff952b080426e01ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea98a5779e7c70967e5433f7569d62f5edccb13f58553ff952b080426e01ac9", kill_on_drop: false }`
[INFO] [stdout] 9ea98a5779e7c70967e5433f7569d62f5edccb13f58553ff952b080426e01ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f4e49a1ac3ece1cbec33ace57318b09a4fd6d6ee6b588738ef911c4eabb87c74
[INFO] running `Command { std: "docker" "start" "-a" "f4e49a1ac3ece1cbec33ace57318b09a4fd6d6ee6b588738ef911c4eabb87c74", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polynomial-09a277068ac30f2b)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::eval ... ok
[INFO] [stdout] test tests::lagrange ... ok
[INFO] [stdout] test tests::chebyshev ... ok
[INFO] [stdout] test tests::mul ... ok
[INFO] [stdout] test tests::neg_add_sub ... ok
[INFO] [stdout] test tests::pretty ... ok
[INFO] [stderr]    Doc-tests polynomial
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Polynomial<T>::lagrange (line 66) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::eval (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::new (line 40) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::chebyshev (line 116) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4e49a1ac3ece1cbec33ace57318b09a4fd6d6ee6b588738ef911c4eabb87c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e49a1ac3ece1cbec33ace57318b09a4fd6d6ee6b588738ef911c4eabb87c74", kill_on_drop: false }`
[INFO] [stdout] f4e49a1ac3ece1cbec33ace57318b09a4fd6d6ee6b588738ef911c4eabb87c74