[INFO] fetching crate python-objects 0.0.7...
[INFO] testing python-objects-0.0.7 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate python-objects 0.0.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate python-objects 0.0.7
[INFO] finished tweaking crates.io crate python-objects 0.0.7
[INFO] tweaked toml for crates.io crate python-objects 0.0.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate python-objects 0.0.7 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] crate crates.io crate python-objects 0.0.7 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 13f77c766d784d136f25a65e9ef1d7e2c96c6a5991e3ef4d657f0eb3a23f323c
[INFO] running `Command { std: "docker" "start" "-a" "13f77c766d784d136f25a65e9ef1d7e2c96c6a5991e3ef4d657f0eb3a23f323c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f77c766d784d136f25a65e9ef1d7e2c96c6a5991e3ef4d657f0eb3a23f323c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f77c766d784d136f25a65e9ef1d7e2c96c6a5991e3ef4d657f0eb3a23f323c", kill_on_drop: false }`
[INFO] [stdout] 13f77c766d784d136f25a65e9ef1d7e2c96c6a5991e3ef4d657f0eb3a23f323c
[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] 80c93c9a82128b8f5b56f2e884b23354db3bde4f1e825b1a08e81a977a3aeb30
[INFO] running `Command { std: "docker" "start" "-a" "80c93c9a82128b8f5b56f2e884b23354db3bde4f1e825b1a08e81a977a3aeb30", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling color-backtrace v0.5.1
[INFO] [stderr]    Compiling python-objects v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "80c93c9a82128b8f5b56f2e884b23354db3bde4f1e825b1a08e81a977a3aeb30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c93c9a82128b8f5b56f2e884b23354db3bde4f1e825b1a08e81a977a3aeb30", kill_on_drop: false }`
[INFO] [stdout] 80c93c9a82128b8f5b56f2e884b23354db3bde4f1e825b1a08e81a977a3aeb30
[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] 6796dda7f4a97ca602802529f9f3060bc89d56ac4844d3a8a165158902ad91e8
[INFO] running `Command { std: "docker" "start" "-a" "6796dda7f4a97ca602802529f9f3060bc89d56ac4844d3a8a165158902ad91e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling pretty_assertions v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]    Compiling python-objects v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/enum_dict.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Int` is never constructed
[INFO] [stdout]  --> examples/enum_dict.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Int {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> examples/unicode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> examples/unicode.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> examples/unicode.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterate_over_unicode` is never used
[INFO] [stdout]  --> examples/unicode.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn iterate_over_unicode() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> examples/float_example.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let string = String::from("asd");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "6796dda7f4a97ca602802529f9f3060bc89d56ac4844d3a8a165158902ad91e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6796dda7f4a97ca602802529f9f3060bc89d56ac4844d3a8a165158902ad91e8", kill_on_drop: false }`
[INFO] [stdout] 6796dda7f4a97ca602802529f9f3060bc89d56ac4844d3a8a165158902ad91e8
[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] 1507ac8cf1c0d94420f94a2ce565a5f4aa2e5e75512c3c4d545562331796b518
[INFO] running `Command { std: "docker" "start" "-a" "1507ac8cf1c0d94420f94a2ce565a5f4aa2e5e75512c3c4d545562331796b518", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]   --> examples/float_example.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let string = String::from("asd");
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops`
[INFO] [stderr]  --> examples/unicode.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Index`
[INFO] [stderr]  --> examples/unicode.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::Index;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]  --> examples/unicode.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::string;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iterate_over_unicode` is never used
[INFO] [stderr]  --> examples/unicode.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn iterate_over_unicode() {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> examples/enum_dict.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Int` is never constructed
[INFO] [stderr]  --> examples/enum_dict.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Int {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `python-objects` (example "float_example") generated 1 warning
[INFO] [stderr] warning: `python-objects` (example "unicode") generated 4 warnings (run `cargo fix --example "unicode"` to apply 3 suggestions)
[INFO] [stderr] warning: `python-objects` (example "enum_dict") generated 2 warnings (run `cargo fix --example "enum_dict"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/python-2d416d3cd74443a2)
[INFO] [stderr]      Running tests/test_list.rs (/opt/rustwide/target/debug/deps/test_list-ee602e91193c34f0)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_append_int ... ok
[INFO] [stdout] test test_append_bool ... ok
[INFO] [stdout] test test_extend ... ok
[INFO] [stdout] test test_str ... ok
[INFO] [stdout] test test_initialization ... ok
[INFO] [stdout] test test_repr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests python
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/list/list.rs - list::list::List::from (line 341) ... ok
[INFO] [stdout] test src/list/append_front.rs - list::append_front::List::append_front (line 85) ... ok
[INFO] [stdout] test src/list/extend.rs - list::extend::Extend::extend (line 12) ... ok
[INFO] [stdout] test src/list/append.rs - list::append::List::append_back (line 156) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1507ac8cf1c0d94420f94a2ce565a5f4aa2e5e75512c3c4d545562331796b518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1507ac8cf1c0d94420f94a2ce565a5f4aa2e5e75512c3c4d545562331796b518", kill_on_drop: false }`
[INFO] [stdout] 1507ac8cf1c0d94420f94a2ce565a5f4aa2e5e75512c3c4d545562331796b518