[INFO] fetching crate scanmut 0.2.0...
[INFO] testing scanmut-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate scanmut 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate scanmut 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scanmut 0.2.0
[INFO] finished tweaking crates.io crate scanmut 0.2.0
[INFO] tweaked toml for crates.io crate scanmut 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bedac236d09db07604ae54ee0f1eb55f85986f3a5e8c5bf41f04a01369110cdf
[INFO] running `Command { std: "docker" "start" "-a" "bedac236d09db07604ae54ee0f1eb55f85986f3a5e8c5bf41f04a01369110cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bedac236d09db07604ae54ee0f1eb55f85986f3a5e8c5bf41f04a01369110cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bedac236d09db07604ae54ee0f1eb55f85986f3a5e8c5bf41f04a01369110cdf", kill_on_drop: false }`
[INFO] [stdout] bedac236d09db07604ae54ee0f1eb55f85986f3a5e8c5bf41f04a01369110cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9558897462e53a15046560caaa468fda7516471a56bfb01d2c5c78701ae39e00
[INFO] running `Command { std: "docker" "start" "-a" "9558897462e53a15046560caaa468fda7516471a56bfb01d2c5c78701ae39e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling scanmut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "9558897462e53a15046560caaa468fda7516471a56bfb01d2c5c78701ae39e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9558897462e53a15046560caaa468fda7516471a56bfb01d2c5c78701ae39e00", kill_on_drop: false }`
[INFO] [stdout] 9558897462e53a15046560caaa468fda7516471a56bfb01d2c5c78701ae39e00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44d053368074710c6b8b99d5d5e4973212e29c4d09e463ff14559a0a4ea49d4
[INFO] running `Command { std: "docker" "start" "-a" "d44d053368074710c6b8b99d5d5e4973212e29c4d09e463ff14559a0a4ea49d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling scanmut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.57s
[INFO] running `Command { std: "docker" "inspect" "d44d053368074710c6b8b99d5d5e4973212e29c4d09e463ff14559a0a4ea49d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44d053368074710c6b8b99d5d5e4973212e29c4d09e463ff14559a0a4ea49d4", kill_on_drop: false }`
[INFO] [stdout] d44d053368074710c6b8b99d5d5e4973212e29c4d09e463ff14559a0a4ea49d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94749e883e5911747c6529baa900ed67881c2b2c76070c73af6d9e32f756d80e
[INFO] running `Command { std: "docker" "start" "-a" "94749e883e5911747c6529baa900ed67881c2b2c76070c73af6d9e32f756d80e", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scanmut-f2c311fb2a64e762)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test inserter::tests::inserter_max_index ... ok
[INFO] [stdout] test inserter::tests::inserter_empty ... ok
[INFO] [stdout] test inserter::tests::inserter_slices ... ok
[INFO] [stdout] test inserter::tests::inserter_threes ... ok
[INFO] [stdout] test inserter::tests::inserter_threes_additional_cap ... ok
[INFO] [stdout] test remover::tests::remover_advance_one_past ... ok
[INFO] [stdout] test remover::tests::remover_empty ... ok
[INFO] [stdout] test remover::tests::remover_index ... ok
[INFO] [stdout] test remover::tests::remover_slices ... ok
[INFO] [stdout] test remover::tests::remover_two_both ... ok
[INFO] [stdout] test remover::tests::remover_two_first ... ok
[INFO] [stdout] test remover::tests::remover_two_second ... ok
[INFO] [stdout] test tests::insert_slice_clone ... ok
[INFO] [stdout] test tests::insert_all ... ok
[INFO] [stdout] test tests::insert_all_rev_end ... ok
[INFO] [stdout] test tests::insert_all_end ... ok
[INFO] [stdout] test remover::tests::remover_single ... ok
[INFO] [stdout] test inserter::tests::inserter_single_pre ... ok
[INFO] [stdout] test tests::multimutate_single_insert ... ok
[INFO] [stdout] test tests::multimutate_single_insert_post ... ok
[INFO] [stdout] test tests::multimutate_single_insert_mid ... ok
[INFO] [stdout] test tests::insert_slice_copy ... ok
[INFO] [stdout] test inserter::tests::inserter_single_post ... ok
[INFO] [stdout] test tests::multimutate_multiple_insert ... ok
[INFO] [stdout] test tests::insert_all_rev ... ok
[INFO] [stdout] test tests::multimutate_single_insert_pre ... ok
[INFO] [stdout] test tests::multimutate_single_insert_zero_sized ... ok
[INFO] [stdout] test remover::tests::remover_advance_out_of_bounds ... ok
[INFO] [stdout] test remover::tests::remover_out_of_bounds ... ok
[INFO] [stdout] test inserter::tests::inserter_oob ... ok
[INFO] [stdout] test remover::tests::remover_two_out_of_order ... ok
[INFO] [stdout] test inserter::tests::inserter_out_of_order ... ok
[INFO] [stdout] test tests::multimutate_single_insert_zero_sized_out_of_bounds ... ok
[INFO] [stdout] test tests::multimutate_remove ... ok
[INFO] [stdout] test tests::multimutate_single_insert_out_of_bounds ... ok
[INFO] [stdout] test remover::tests::equals_naive_remover ... ok
[INFO] [stdout] test inserter::tests::equals_naive_inserter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.24s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scanmut
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/remover.rs - remover::Remover (line 45) ... ok
[INFO] [stdout] test src/inserter.rs - inserter::Inserter (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - ScanMut::multi_remove (line 94) ... ok
[INFO] [stdout] test src/remover.rs - remover::Remover (line 20) ... ok
[INFO] [stdout] test src/inserter.rs - inserter::Inserter (line 40) ... ok
[INFO] [stdout] test src/lib.rs - ScanMut::multi_insert (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94749e883e5911747c6529baa900ed67881c2b2c76070c73af6d9e32f756d80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94749e883e5911747c6529baa900ed67881c2b2c76070c73af6d9e32f756d80e", kill_on_drop: false }`
[INFO] [stdout] 94749e883e5911747c6529baa900ed67881c2b2c76070c73af6d9e32f756d80e