[INFO] fetching crate mangle 0.0.5...
[INFO] testing mangle-0.0.5 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mangle 0.0.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mangle 0.0.5
[INFO] finished tweaking crates.io crate mangle 0.0.5
[INFO] tweaked toml for crates.io crate mangle 0.0.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mangle 0.0.5 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mangle 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--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]  Downloading crates ...
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[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
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[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded cfg-if v1.0.0
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[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0186f0aa255c42233168c1f71c920983e5410b99671e79c28d74a55f0d1a4689
[INFO] running `Command { std: "docker" "start" "-a" "0186f0aa255c42233168c1f71c920983e5410b99671e79c28d74a55f0d1a4689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0186f0aa255c42233168c1f71c920983e5410b99671e79c28d74a55f0d1a4689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0186f0aa255c42233168c1f71c920983e5410b99671e79c28d74a55f0d1a4689", kill_on_drop: false }`
[INFO] [stdout] 0186f0aa255c42233168c1f71c920983e5410b99671e79c28d74a55f0d1a4689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03ab72801d917210c46c4e591b8446a031e87037a646ff0369b8a2045a4fbc4a
[INFO] running `Command { std: "docker" "start" "-a" "03ab72801d917210c46c4e591b8446a031e87037a646ff0369b8a2045a4fbc4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.34.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling linux-raw-sys v0.0.42
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling fd-lock v3.0.5
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling rustyline v9.1.2
[INFO] [stderr]    Compiling clap v3.1.8
[INFO] [stderr]    Compiling mangle v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `scope` is never read
[INFO] [stdout]  --> src/interpreter.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Interpreter {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     word_separator: char,
[INFO] [stdout] 7 |     scope: Scope,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.65s
[INFO] running `Command { std: "docker" "inspect" "03ab72801d917210c46c4e591b8446a031e87037a646ff0369b8a2045a4fbc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ab72801d917210c46c4e591b8446a031e87037a646ff0369b8a2045a4fbc4a", kill_on_drop: false }`
[INFO] [stdout] 03ab72801d917210c46c4e591b8446a031e87037a646ff0369b8a2045a4fbc4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b096964a2dee432450d49269dad3e5bf90f678693cfc6804ca596e1e1e35bf
[INFO] running `Command { std: "docker" "start" "-a" "26b096964a2dee432450d49269dad3e5bf90f678693cfc6804ca596e1e1e35bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stdout] warning: field `scope` is never read
[INFO] [stdout]  --> src/interpreter.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Interpreter {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     word_separator: char,
[INFO] [stdout] 7 |     scope: Scope,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling assert_cmd v2.0.4
[INFO] [stderr]    Compiling mangle v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> tests/readfile.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     drop(cmd_stdin);
[INFO] [stdout]    |     ^^^^^---------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&mut ChildStdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 28 -     drop(cmd_stdin);
[INFO] [stdout] 28 +     let _ = cmd_stdin;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scope` is never read
[INFO] [stdout]  --> src/interpreter.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Interpreter {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     word_separator: char,
[INFO] [stdout] 7 |     scope: Scope,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "26b096964a2dee432450d49269dad3e5bf90f678693cfc6804ca596e1e1e35bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b096964a2dee432450d49269dad3e5bf90f678693cfc6804ca596e1e1e35bf", kill_on_drop: false }`
[INFO] [stdout] 26b096964a2dee432450d49269dad3e5bf90f678693cfc6804ca596e1e1e35bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98290b5496494b60374a1f0395779e7dd13b733c793b3a53262a36fea995ed33
[INFO] running `Command { std: "docker" "start" "-a" "98290b5496494b60374a1f0395779e7dd13b733c793b3a53262a36fea995ed33", kill_on_drop: false }`
[INFO] [stderr] warning: field `scope` is never read
[INFO] [stderr]  --> src/interpreter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Interpreter {
[INFO] [stderr]   |            ----------- field in this struct
[INFO] [stderr] 6 |     word_separator: char,
[INFO] [stderr] 7 |     scope: Scope,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mangle` (lib) generated 1 warning
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> tests/readfile.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     drop(cmd_stdin);
[INFO] [stderr]    |     ^^^^^---------^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          argument has type `&mut ChildStdin`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 28 -     drop(cmd_stdin);
[INFO] [stderr] 28 +     let _ = cmd_stdin;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mangle` (test "readfile") generated 1 warning
[INFO] [stderr] warning: `mangle` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mangle-c1c3d5e449cd060a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test interpreter::tests::sum ... ok
[INFO] [stdout] test interpreter::tests::sum_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mangle-050bec138c4c9131)
[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] [stderr]      Running tests/readfile.rs (/opt/rustwide/target/debug/deps/readfile-2c1d7a6698e36538)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test stdin ... ok
[INFO] [stdout] test read_file_cat ... ok
[INFO] [stdout] test file_doesnt_exist ... ok
[INFO] [stderr]    Doc-tests mangle
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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" "98290b5496494b60374a1f0395779e7dd13b733c793b3a53262a36fea995ed33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98290b5496494b60374a1f0395779e7dd13b733c793b3a53262a36fea995ed33", kill_on_drop: false }`
[INFO] [stdout] 98290b5496494b60374a1f0395779e7dd13b733c793b3a53262a36fea995ed33