[INFO] fetching crate dbgen 0.8.0...
[INFO] testing dbgen-0.8.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate dbgen 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate dbgen 0.8.0
[INFO] finished tweaking crates.io crate dbgen 0.8.0
[INFO] tweaked toml for crates.io crate dbgen 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dbgen 0.8.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dbgen 0.8.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 484162bd1fa8f2b6ae1f70d59eae4119c716ec4c08fe41aaa29867d42dac557a
[INFO] running `Command { std: "docker" "start" "-a" "484162bd1fa8f2b6ae1f70d59eae4119c716ec4c08fe41aaa29867d42dac557a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "484162bd1fa8f2b6ae1f70d59eae4119c716ec4c08fe41aaa29867d42dac557a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484162bd1fa8f2b6ae1f70d59eae4119c716ec4c08fe41aaa29867d42dac557a", kill_on_drop: false }`
[INFO] [stdout] 484162bd1fa8f2b6ae1f70d59eae4119c716ec4c08fe41aaa29867d42dac557a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fc54269b94c10bf7723681bde2a666de7831e87ac99f77927ffd9bc9d52d5c5
[INFO] running `Command { std: "docker" "start" "-a" "7fc54269b94c10bf7723681bde2a666de7831e87ac99f77927ffd9bc9d52d5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
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[INFO] [stderr]    Compiling syn v1.0.60
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[INFO] [stderr]    Compiling flate2 v1.0.20
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[INFO] [stderr]    Compiling rand_distr v0.4.0
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[INFO] [stderr]    Compiling rand_pcg v0.3.0
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[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling numcmp v0.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling dbgen v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling rand_regex v0.15.1
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling zstd v0.6.0+zstd.1.4.8
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         source: std::io::Error,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         source: tzfile::Error,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:305:24
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     if let Ok(v) = n.try_into() {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 | impl_try_from_value!(f64, "floating point number");
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_try_from_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:320:28
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         if let Ok(v) = n.try_into() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 | impl_try_from_value!(f64, "floating point number");
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: this warning originates in the macro `impl_try_from_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `qualified` is never read
[INFO] [stdout]   --> src/writer.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Env<'a, W: Writer> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 54 |     state: &'a mut State,
[INFO] [stdout] 55 |     qualified: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Env` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 2m 15s
[INFO] running `Command { std: "docker" "inspect" "7fc54269b94c10bf7723681bde2a666de7831e87ac99f77927ffd9bc9d52d5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc54269b94c10bf7723681bde2a666de7831e87ac99f77927ffd9bc9d52d5c5", kill_on_drop: false }`
[INFO] [stdout] 7fc54269b94c10bf7723681bde2a666de7831e87ac99f77927ffd9bc9d52d5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbb322a999dd130c808447bcb6a3c0f25b98e70b004538ac5f3797e3151df50d
[INFO] running `Command { std: "docker" "start" "-a" "dbb322a999dd130c808447bcb6a3c0f25b98e70b004538ac5f3797e3151df50d", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]    Compiling zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]    Compiling dbgen v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         source: std::io::Error,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         source: tzfile::Error,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         source: std::io::Error,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         source: tzfile::Error,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:305:24
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     if let Ok(v) = n.try_into() {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 | impl_try_from_value!(f64, "floating point number");
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_try_from_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:320:28
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         if let Ok(v) = n.try_into() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 | impl_try_from_value!(f64, "floating point number");
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: this warning originates in the macro `impl_try_from_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `qualified` is never read
[INFO] [stdout]   --> src/writer.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Env<'a, W: Writer> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 54 |     state: &'a mut State,
[INFO] [stdout] 55 |     qualified: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Env` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:305:24
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     if let Ok(v) = n.try_into() {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 | impl_try_from_value!(f64, "floating point number");
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_try_from_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:320:28
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         if let Ok(v) = n.try_into() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 | impl_try_from_value!(f64, "floating point number");
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: this warning originates in the macro `impl_try_from_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `qualified` is never read
[INFO] [stdout]   --> src/writer.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Env<'a, W: Writer> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 54 |     state: &'a mut State,
[INFO] [stdout] 55 |     qualified: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Env` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 1m 42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "dbb322a999dd130c808447bcb6a3c0f25b98e70b004538ac5f3797e3151df50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb322a999dd130c808447bcb6a3c0f25b98e70b004538ac5f3797e3151df50d", kill_on_drop: false }`
[INFO] [stdout] dbb322a999dd130c808447bcb6a3c0f25b98e70b004538ac5f3797e3151df50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2bf00799a9ca1eb1fb3db84ecf3d254cf6f3f1df8b350b3ab7cff7cf63c4adef
[INFO] running `Command { std: "docker" "start" "-a" "2bf00799a9ca1eb1fb3db84ecf3d254cf6f3f1df8b350b3ab7cff7cf63c4adef", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `source` is never read
[INFO] [stderr]   --> src/error.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         source: std::io::Error,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `source` is never read
[INFO] [stderr]   --> src/error.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         source: tzfile::Error,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]    --> src/value.rs:305:24
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     if let Ok(v) = n.try_into() {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 343 | impl_try_from_value!(f64, "floating point number");
[INFO] [stderr]     | -------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]     = help: consider replacing the `if let` with a `let`
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_try_from_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]    --> src/value.rs:320:28
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         if let Ok(v) = n.try_into() {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 343 | impl_try_from_value!(f64, "floating point number");
[INFO] [stderr]     | -------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]     = help: consider replacing the `if let` with a `let`
[INFO] [stderr]     = note: this warning originates in the macro `impl_try_from_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field `qualified` is never read
[INFO] [stderr]   --> src/writer.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct Env<'a, W: Writer> {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] 54 |     state: &'a mut State,
[INFO] [stderr] 55 |     qualified: bool,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Env` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dbgen` (lib) generated 5 warnings
[INFO] [stderr] warning: `dbgen` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dbgen-42efde960cbc0b8f)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test format::tests::test_write_with_escape ... ok
[INFO] [stdout] test bytes::tests::test_drain_init ... ok
[INFO] [stdout] test functions::string::test_parse_sql_range ... ok
[INFO] [stdout] test bytes::tests::test_push_bytes ... ok
[INFO] [stdout] test bytes::tests::test_truncate ... ok
[INFO] [stdout] test number::tests::test_add ... ok
[INFO] [stdout] test bytes::tests::test_push_str ... ok
[INFO] [stdout] test bytes::tests::test_splice ... ok
[INFO] [stdout] test number::tests::test_display ... ok
[INFO] [stdout] test cli::tests::test_row_args ... ok
[INFO] [stdout] test number::tests::test_div ... ok
[INFO] [stdout] test number::tests::test_eq ... ok
[INFO] [stdout] test number::tests::test_float_div ... ok
[INFO] [stdout] test number::tests::test_from_float ... ok
[INFO] [stdout] test number::tests::test_mul ... ok
[INFO] [stdout] test number::tests::test_rem ... ok
[INFO] [stdout] test number::tests::test_sql_sign ... ok
[INFO] [stdout] test number::tests::test_sub ... ok
[INFO] [stdout] test parser::test_parse_template_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/dbgen.rs (/opt/rustwide/target/debug/deps/dbgen-715e091bbe954165)
[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 unittests src/bin/dbschemagen.rs (/opt/rustwide/target/debug/deps/dbschemagen-3b8230c2027db26b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/check.rs (/opt/rustwide/target/debug/deps/check-149a07267f7bfce5)
[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 1 test
[INFO] [stdout] test run_test ... ok
[INFO] [stderr]    Doc-tests dbgen
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.63s
[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" "2bf00799a9ca1eb1fb3db84ecf3d254cf6f3f1df8b350b3ab7cff7cf63c4adef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf00799a9ca1eb1fb3db84ecf3d254cf6f3f1df8b350b3ab7cff7cf63c4adef", kill_on_drop: false }`
[INFO] [stdout] 2bf00799a9ca1eb1fb3db84ecf3d254cf6f3f1df8b350b3ab7cff7cf63c4adef
