[INFO] fetching crate introsort 0.6.0...
[INFO] testing introsort-0.6.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate introsort 0.6.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate introsort 0.6.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate introsort 0.6.0
[INFO] finished tweaking crates.io crate introsort 0.6.0
[INFO] tweaked toml for crates.io crate introsort 0.6.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 769e3b6337df57cfbe824bbcc74d57aa8776a73b253835420fa291765a48c904
[INFO] running `Command { std: "docker" "start" "-a" "769e3b6337df57cfbe824bbcc74d57aa8776a73b253835420fa291765a48c904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769e3b6337df57cfbe824bbcc74d57aa8776a73b253835420fa291765a48c904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769e3b6337df57cfbe824bbcc74d57aa8776a73b253835420fa291765a48c904", kill_on_drop: false }`
[INFO] [stdout] 769e3b6337df57cfbe824bbcc74d57aa8776a73b253835420fa291765a48c904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b7955106588ec011db2dd3cb7b656b00568499e42a396771276336064c0cd1
[INFO] running `Command { std: "docker" "start" "-a" "36b7955106588ec011db2dd3cb7b656b00568499e42a396771276336064c0cd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling void v0.0.5
[INFO] [stderr]    Compiling unreachable v0.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling introsort v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "36b7955106588ec011db2dd3cb7b656b00568499e42a396771276336064c0cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b7955106588ec011db2dd3cb7b656b00568499e42a396771276336064c0cd1", kill_on_drop: false }`
[INFO] [stdout] 36b7955106588ec011db2dd3cb7b656b00568499e42a396771276336064c0cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aacfd0b07ba8b0b4307b7eee70df250ae3ab491f8692830cdb09e21675e8d81
[INFO] running `Command { std: "docker" "start" "-a" "3aacfd0b07ba8b0b4307b7eee70df250ae3ab491f8692830cdb09e21675e8d81", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling void v0.0.5
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unreachable v0.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling introsort v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "3aacfd0b07ba8b0b4307b7eee70df250ae3ab491f8692830cdb09e21675e8d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aacfd0b07ba8b0b4307b7eee70df250ae3ab491f8692830cdb09e21675e8d81", kill_on_drop: false }`
[INFO] [stdout] 3aacfd0b07ba8b0b4307b7eee70df250ae3ab491f8692830cdb09e21675e8d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c970b667b3705045a0ae16e81244efd704de9e87c0a6168d942e65f583f5cb1a
[INFO] running `Command { std: "docker" "start" "-a" "c970b667b3705045a0ae16e81244efd704de9e87c0a6168d942e65f583f5cb1a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-c51d77fb9b74eb49)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_introsort ... ok
[INFO] [stdout] test test_heapsort ... ok
[INFO] [stderr]      Running tests/test-floats.rs (/opt/rustwide/target/debug/deps/test_floats-2805981a932b6735)
[INFO] [stdout] test test_insertion_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bench::test_sort_few_zeros ... ok
[INFO] [stdout] test bench::test_sort_zeros ... ok
[INFO] [stdout] test bench::test_sort_floats ... ok
[INFO] [stdout] test bench::test_sort_random_floats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests introsort
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c970b667b3705045a0ae16e81244efd704de9e87c0a6168d942e65f583f5cb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c970b667b3705045a0ae16e81244efd704de9e87c0a6168d942e65f583f5cb1a", kill_on_drop: false }`
[INFO] [stdout] c970b667b3705045a0ae16e81244efd704de9e87c0a6168d942e65f583f5cb1a