[INFO] cloning repository https://github.com/squiddy/git-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/squiddy/git-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquiddy%2Fgit-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquiddy%2Fgit-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddd6b0ed787bac383111d8ba162afdbefabbbed5
[INFO] testing squiddy/git-rs against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquiddy%2Fgit-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/squiddy/git-rs 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 git repo https://github.com/squiddy/git-rs
[INFO] finished tweaking git repo https://github.com/squiddy/git-rs
[INFO] tweaked toml for git repo https://github.com/squiddy/git-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/squiddy/git-rs already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 46f86711d767c876e0f0720a139a3ee4df39127fccd1bdfb2d440ece04b4b8f9
[INFO] running `Command { std: "docker" "start" "-a" "46f86711d767c876e0f0720a139a3ee4df39127fccd1bdfb2d440ece04b4b8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f86711d767c876e0f0720a139a3ee4df39127fccd1bdfb2d440ece04b4b8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f86711d767c876e0f0720a139a3ee4df39127fccd1bdfb2d440ece04b4b8f9", kill_on_drop: false }`
[INFO] [stdout] 46f86711d767c876e0f0720a139a3ee4df39127fccd1bdfb2d440ece04b4b8f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f84db196f400e5bfc56a626c523602c9d12d19c21ad5f54fec0b2b73fc096d41
[INFO] running `Command { std: "docker" "start" "-a" "f84db196f400e5bfc56a626c523602c9d12d19c21ad5f54fec0b2b73fc096d41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling clap v2.20.5
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling flate2 v0.2.17
[INFO] [stderr]    Compiling git-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.07s
[INFO] running `Command { std: "docker" "inspect" "f84db196f400e5bfc56a626c523602c9d12d19c21ad5f54fec0b2b73fc096d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84db196f400e5bfc56a626c523602c9d12d19c21ad5f54fec0b2b73fc096d41", kill_on_drop: false }`
[INFO] [stdout] f84db196f400e5bfc56a626c523602c9d12d19c21ad5f54fec0b2b73fc096d41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6b39c448a90f769e4b5721fc325c7928686018948bd02c59d73fe201647635e8
[INFO] running `Command { std: "docker" "start" "-a" "6b39c448a90f769e4b5721fc325c7928686018948bd02c59d73fe201647635e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling git-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/integration_test.rs:72:36
[INFO] [stdout]    |
[INFO] [stdout] 72 |         Err(err) => assert!(false, err)
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 72 |         Err(err) => assert!(false, "{}", err)
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/objects.rs:240:40
[INFO] [stdout]     |
[INFO] [stdout] 240 |             Err(err) => assert!(false, err),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 240 |             Err(err) => assert!(false, "{}", err),
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/objects.rs:264:40
[INFO] [stdout]     |
[INFO] [stdout] 264 |             Err(err) => assert!(false, err),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 264 |             Err(err) => assert!(false, "{}", err),
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/objects.rs:298:40
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Err(err) => assert!(false, err),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Err(err) => assert!(false, "{}", err),
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "6b39c448a90f769e4b5721fc325c7928686018948bd02c59d73fe201647635e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b39c448a90f769e4b5721fc325c7928686018948bd02c59d73fe201647635e8", kill_on_drop: false }`
[INFO] [stdout] 6b39c448a90f769e4b5721fc325c7928686018948bd02c59d73fe201647635e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b1e0c85bec9e45af342ed0922d5f5800ceb974832eb6c91e7606be1cc9ef64a7
[INFO] running `Command { std: "docker" "start" "-a" "b1e0c85bec9e45af342ed0922d5f5800ceb974832eb6c91e7606be1cc9ef64a7", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/objects.rs:240:40
[INFO] [stderr]     |
[INFO] [stderr] 240 |             Err(err) => assert!(false, err),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 240 |             Err(err) => assert!(false, "{}", err),
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/objects.rs:264:40
[INFO] [stderr]     |
[INFO] [stderr] 264 |             Err(err) => assert!(false, err),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 264 |             Err(err) => assert!(false, "{}", err),
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/objects.rs:298:40
[INFO] [stderr]     |
[INFO] [stderr] 298 |             Err(err) => assert!(false, err),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 298 |             Err(err) => assert!(false, "{}", err),
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/integration_test.rs:72:36
[INFO] [stderr]    |
[INFO] [stderr] 72 |         Err(err) => assert!(false, err)
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 72 |         Err(err) => assert!(false, "{}", err)
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_rs-8e0012bfc1d56721)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test objects::tests::parse_blob ... ok
[INFO] [stdout] test objects::tests::parse_tree ... ok
[INFO] [stdout] test objects::tests::parse_commit ... ok
[INFO] [stdout] test repository::tests::find_git_directory_exists_same_directory ... ok
[INFO] [stdout] test repository::tests::find_git_directory_not_found ... ok
[INFO] [stdout] test repository::tests::find_git_directory_sub_directory ... 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]      Running unittests (/opt/rustwide/target/debug/deps/git_rs-3e2108800c0831e1)
[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/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-f9b1203de21d435b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test find_commit_object ... ok
[INFO] [stdout] test open_repository ... ok
[INFO] [stdout] test find_tree_object ... ok
[INFO] [stderr]    Doc-tests git-rs
[INFO] [stdout] test commit_log ... ok
[INFO] [stdout] test find_commit_object_first_in_history ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "b1e0c85bec9e45af342ed0922d5f5800ceb974832eb6c91e7606be1cc9ef64a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e0c85bec9e45af342ed0922d5f5800ceb974832eb6c91e7606be1cc9ef64a7", kill_on_drop: false }`
[INFO] [stdout] b1e0c85bec9e45af342ed0922d5f5800ceb974832eb6c91e7606be1cc9ef64a7