[INFO] fetching crate grss 0.1.0... [INFO] testing grss-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate grss 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate grss 0.1.0 [INFO] finished tweaking crates.io crate grss 0.1.0 [INFO] tweaked toml for crates.io crate grss 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate grss 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 104 packages to latest compatible versions [INFO] [stderr] Adding assert_cmd v0.10.2 (available: v2.0.17) [INFO] [stderr] Adding indicatif v0.11.0 (available: v0.17.11) [INFO] [stderr] Adding predicates v1.0.8 (available: v3.1.3) [INFO] [stderr] Adding structopt v0.2.18 (available: v0.3.26) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indicatif v0.11.0 [INFO] [stderr] Downloaded exitfailure v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcbe9b658bc9c31b705296435c3ea753df9be4ce56372fa2fe8daa99d6425011 [INFO] running `Command { std: "docker" "start" "-a" "fcbe9b658bc9c31b705296435c3ea753df9be4ce56372fa2fe8daa99d6425011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcbe9b658bc9c31b705296435c3ea753df9be4ce56372fa2fe8daa99d6425011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcbe9b658bc9c31b705296435c3ea753df9be4ce56372fa2fe8daa99d6425011", kill_on_drop: false }` [INFO] [stdout] fcbe9b658bc9c31b705296435c3ea753df9be4ce56372fa2fe8daa99d6425011 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 3d70cdbc7f1de600d8947fee52676f74b17bac19d2f18f946adc7306ff57c289 [INFO] running `Command { std: "docker" "start" "-a" "3d70cdbc7f1de600d8947fee52676f74b17bac19d2f18f946adc7306ff57c289", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling gimli v0.31.1 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling console v0.16.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling indicatif v0.11.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling addr2line v0.24.2 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling exitfailure v0.5.1 [INFO] [stderr] Compiling grss v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.84s [INFO] running `Command { std: "docker" "inspect" "3d70cdbc7f1de600d8947fee52676f74b17bac19d2f18f946adc7306ff57c289", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d70cdbc7f1de600d8947fee52676f74b17bac19d2f18f946adc7306ff57c289", kill_on_drop: false }` [INFO] [stdout] 3d70cdbc7f1de600d8947fee52676f74b17bac19d2f18f946adc7306ff57c289 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] ab4194c2b0e80885e31e7fd0c44c1e0cb9ec3c2183cdef817d5da35f14ec37f0 [INFO] running `Command { std: "docker" "start" "-a" "ab4194c2b0e80885e31e7fd0c44c1e0cb9ec3c2183cdef817d5da35f14ec37f0", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Compiling predicates-core v1.0.9 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling termtree v0.5.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling linux-raw-sys v0.9.4 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling predicates-tree v1.0.12 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling tempfile v3.20.0 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling assert_cmd v0.10.2 [INFO] [stderr] Compiling grss v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> tests/cli.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/cli.rs:8:42 [INFO] [stdout] | [INFO] [stdout] 8 | fn file_doesnt_exist() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | fn file_doesnt_exist() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/cli.rs:21:45 [INFO] [stdout] | [INFO] [stdout] 21 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 9.52s [INFO] running `Command { std: "docker" "inspect" "ab4194c2b0e80885e31e7fd0c44c1e0cb9ec3c2183cdef817d5da35f14ec37f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab4194c2b0e80885e31e7fd0c44c1e0cb9ec3c2183cdef817d5da35f14ec37f0", kill_on_drop: false }` [INFO] [stdout] ab4194c2b0e80885e31e7fd0c44c1e0cb9ec3c2183cdef817d5da35f14ec37f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4ff79cde58d938ff159780e3f42fb9009547686a81ffbec0d63c9cfbfd47ecb0 [INFO] running `Command { std: "docker" "start" "-a" "4ff79cde58d938ff159780e3f42fb9009547686a81ffbec0d63c9cfbfd47ecb0", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | writeln!(writer, "{}", line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `grss` (lib) generated 1 warning [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> tests/cli.rs:5:15 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/cli.rs:8:42 [INFO] [stderr] | [INFO] [stderr] 8 | fn file_doesnt_exist() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 8 | fn file_doesnt_exist() -> Result<(), Box> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/cli.rs:21:45 [INFO] [stderr] | [INFO] [stderr] 21 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 21 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `grss` (test "cli") generated 3 warnings (run `cargo fix --test "cli"` to apply 3 suggestions) [INFO] [stderr] warning: `grss` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/grss-2922d2dba461ddaa) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/grss-724805f359fb260c) [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] [stderr] Running tests/cli.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cli-fd0386344f56d84d) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test find_content_in_file ... ok [INFO] [stdout] test file_doesnt_exist ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4ff79cde58d938ff159780e3f42fb9009547686a81ffbec0d63c9cfbfd47ecb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ff79cde58d938ff159780e3f42fb9009547686a81ffbec0d63c9cfbfd47ecb0", kill_on_drop: false }` [INFO] [stdout] 4ff79cde58d938ff159780e3f42fb9009547686a81ffbec0d63c9cfbfd47ecb0