[INFO] fetching crate dawgdic 0.1.2... [INFO] testing dawgdic-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate dawgdic 0.1.2 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate dawgdic 0.1.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate dawgdic 0.1.2 [INFO] tweaked toml for crates.io crate dawgdic 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate dawgdic 0.1.2 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] crate crates.io crate dawgdic 0.1.2 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cd882e9916aea97ce6bcdad525ae8d7cedf908ee4e3d296f4e214534e1f353d0 [INFO] running `Command { std: "docker" "start" "-a" "cd882e9916aea97ce6bcdad525ae8d7cedf908ee4e3d296f4e214534e1f353d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd882e9916aea97ce6bcdad525ae8d7cedf908ee4e3d296f4e214534e1f353d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd882e9916aea97ce6bcdad525ae8d7cedf908ee4e3d296f4e214534e1f353d0", kill_on_drop: false }` [INFO] [stdout] cd882e9916aea97ce6bcdad525ae8d7cedf908ee4e3d296f4e214534e1f353d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4d50b8168a39fb99e5a37df03b34309ab416f9d174661213df961fd96c01e11a [INFO] running `Command { std: "docker" "start" "-a" "4d50b8168a39fb99e5a37df03b34309ab416f9d174661213df961fd96c01e11a", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling dawgdic v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `next` is never read [INFO] [stdout] --> src/dawg.rs:264:21 [INFO] [stdout] | [INFO] [stdout] 264 | let mut next = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "4d50b8168a39fb99e5a37df03b34309ab416f9d174661213df961fd96c01e11a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d50b8168a39fb99e5a37df03b34309ab416f9d174661213df961fd96c01e11a", kill_on_drop: false }` [INFO] [stdout] 4d50b8168a39fb99e5a37df03b34309ab416f9d174661213df961fd96c01e11a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1d8e8118ff926dc2f28d4f6cce6a3de709350bcd5d54230e704a4eba51ac0708 [INFO] running `Command { std: "docker" "start" "-a" "1d8e8118ff926dc2f28d4f6cce6a3de709350bcd5d54230e704a4eba51ac0708", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling ryu v1.0.19 [INFO] [stderr] Compiling serde_json v1.0.138 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling oorandom v11.1.4 [INFO] [stdout] warning: value assigned to `next` is never read [INFO] [stdout] --> src/dawg.rs:264:21 [INFO] [stdout] | [INFO] [stdout] 264 | let mut next = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stderr] Compiling dawgdic v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> tests/dawg_smoketest.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufRead, BufWriter, Cursor}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/dawg_smoketest.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | builder.insert_key(&key, value); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = builder.insert_key(&key, value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/dawg_smoketest.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | builder.insert_key(key, *value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 32 | let _ = builder.insert_key(key, *value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/dawg_smoketest.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | builder.insert_key(key, *value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 61 | let _ = builder.insert_key(key, *value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/dawg_smoketest.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | dictionary.write(&mut BufWriter::new(&mut data_buf)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = dictionary.write(&mut BufWriter::new(&mut data_buf)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `next` is never read [INFO] [stdout] --> src/dawg.rs:264:21 [INFO] [stdout] | [INFO] [stdout] 264 | let mut next = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 26.11s [INFO] running `Command { std: "docker" "inspect" "1d8e8118ff926dc2f28d4f6cce6a3de709350bcd5d54230e704a4eba51ac0708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d8e8118ff926dc2f28d4f6cce6a3de709350bcd5d54230e704a4eba51ac0708", kill_on_drop: false }` [INFO] [stdout] 1d8e8118ff926dc2f28d4f6cce6a3de709350bcd5d54230e704a4eba51ac0708 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 51c71c32b0a2a659a2b2f89d43b096cd6de0c8993c0cdf667f332fe54b366eb6 [INFO] running `Command { std: "docker" "start" "-a" "51c71c32b0a2a659a2b2f89d43b096cd6de0c8993c0cdf667f332fe54b366eb6", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `next` is never read [INFO] [stderr] --> src/dawg.rs:264:21 [INFO] [stderr] | [INFO] [stderr] 264 | let mut next = 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `dawgdic` (lib) generated 1 warning [INFO] [stderr] warning: unused import: `BufRead` [INFO] [stderr] --> tests/dawg_smoketest.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{BufRead, BufWriter, Cursor}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tests/dawg_smoketest.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | builder.insert_key(&key, value); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 13 | let _ = builder.insert_key(&key, value); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tests/dawg_smoketest.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | builder.insert_key(key, *value); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 32 | let _ = builder.insert_key(key, *value); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tests/dawg_smoketest.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | builder.insert_key(key, *value); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 61 | let _ = builder.insert_key(key, *value); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tests/dawg_smoketest.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | dictionary.write(&mut BufWriter::new(&mut data_buf)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 69 | let _ = dictionary.write(&mut BufWriter::new(&mut data_buf)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `dawgdic` (test "dawg_smoketest") generated 5 warnings [INFO] [stderr] warning: `dawgdic` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/dawgdic-185187f1f2cc122c) [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/dawg_smoketest.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/dawg_smoketest-efedefde9e19018a) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test creates_correct_dawg_shape ... ok [INFO] [stdout] test creates_correct_dictionary ... ok [INFO] [stdout] test serializes_and_deserializes_dictionary ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "51c71c32b0a2a659a2b2f89d43b096cd6de0c8993c0cdf667f332fe54b366eb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51c71c32b0a2a659a2b2f89d43b096cd6de0c8993c0cdf667f332fe54b366eb6", kill_on_drop: false }` [INFO] [stdout] 51c71c32b0a2a659a2b2f89d43b096cd6de0c8993c0cdf667f332fe54b366eb6