[INFO] fetching crate envsub 0.1.3...
[INFO] testing envsub-0.1.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate envsub 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate envsub 0.1.3
[INFO] finished tweaking crates.io crate envsub 0.1.3
[INFO] tweaked toml for crates.io crate envsub 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate envsub 0.1.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate envsub 0.1.3 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99da58bca03ba772f3714237318dcb69aef22284262bd6291c1a77cf18000437
[INFO] running `Command { std: "docker" "start" "-a" "99da58bca03ba772f3714237318dcb69aef22284262bd6291c1a77cf18000437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99da58bca03ba772f3714237318dcb69aef22284262bd6291c1a77cf18000437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99da58bca03ba772f3714237318dcb69aef22284262bd6291c1a77cf18000437", kill_on_drop: false }`
[INFO] [stdout] 99da58bca03ba772f3714237318dcb69aef22284262bd6291c1a77cf18000437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6897fd47616e7e73080459d29055549d3bb217f2738f9918875bde24d2c17ef9
[INFO] running `Command { std: "docker" "start" "-a" "6897fd47616e7e73080459d29055549d3bb217f2738f9918875bde24d2c17ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling envsub v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:179:46
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   ":-" => match val.borrow() {
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 179 -                             ":-" => match val.borrow() {
[INFO] [stdout] 179 +                             ":-" => match val {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:189:43
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   _ => match val.borrow() {
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 189 -                             _ => match val.borrow() {
[INFO] [stdout] 189 +                             _ => match val {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:194:42
[INFO] [stdout]     |
[INFO] [stdout] 194 |                         None => match val.borrow() {
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 194 -                         None => match val.borrow() {
[INFO] [stdout] 194 +                         None => match val {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:208:52
[INFO] [stdout]     |
[INFO] [stdout] 208 |                           .map_or("", |m| m.as_str())
[INFO] [stdout]     |  ____________________________________________________^
[INFO] [stdout] 209 | |                         .clone()
[INFO] [stdout]     | |________________________________^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "6897fd47616e7e73080459d29055549d3bb217f2738f9918875bde24d2c17ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6897fd47616e7e73080459d29055549d3bb217f2738f9918875bde24d2c17ef9", kill_on_drop: false }`
[INFO] [stdout] 6897fd47616e7e73080459d29055549d3bb217f2738f9918875bde24d2c17ef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8853025e17a1371e3178c90dfa8d485261cc495e533bd61dfa2e7e6d092d73c
[INFO] running `Command { std: "docker" "start" "-a" "a8853025e17a1371e3178c90dfa8d485261cc495e533bd61dfa2e7e6d092d73c", kill_on_drop: false }`
[INFO] [stderr]    Compiling envsub v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:179:46
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   ":-" => match val.borrow() {
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 179 -                             ":-" => match val.borrow() {
[INFO] [stdout] 179 +                             ":-" => match val {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:189:43
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   _ => match val.borrow() {
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 189 -                             _ => match val.borrow() {
[INFO] [stdout] 189 +                             _ => match val {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:194:42
[INFO] [stdout]     |
[INFO] [stdout] 194 |                         None => match val.borrow() {
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 194 -                         None => match val.borrow() {
[INFO] [stdout] 194 +                         None => match val {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:208:52
[INFO] [stdout]     |
[INFO] [stdout] 208 |                           .map_or("", |m| m.as_str())
[INFO] [stdout]     |  ____________________________________________________^
[INFO] [stdout] 209 | |                         .clone()
[INFO] [stdout]     | |________________________________^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "a8853025e17a1371e3178c90dfa8d485261cc495e533bd61dfa2e7e6d092d73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8853025e17a1371e3178c90dfa8d485261cc495e533bd61dfa2e7e6d092d73c", kill_on_drop: false }`
[INFO] [stdout] a8853025e17a1371e3178c90dfa8d485261cc495e533bd61dfa2e7e6d092d73c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a11d7c675cd67c54ac07740e29217acb803bae5014eb9c2d15024e154cf98b44
[INFO] running `Command { std: "docker" "start" "-a" "a11d7c675cd67c54ac07740e29217acb803bae5014eb9c2d15024e154cf98b44", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/main.rs:74:26
[INFO] [stderr]    |
[INFO] [stderr] 74 |         Err(f) => panic!(f.to_string()),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 74 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stderr]    |                          +++++
[INFO] [stderr] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/main.rs:179:46
[INFO] [stderr]     |
[INFO] [stderr] 179 | ...                   ":-" => match val.borrow() {
[INFO] [stderr]     |                                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 179 -                             ":-" => match val.borrow() {
[INFO] [stderr] 179 +                             ":-" => match val {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/main.rs:189:43
[INFO] [stderr]     |
[INFO] [stderr] 189 | ...                   _ => match val.borrow() {
[INFO] [stderr]     |                                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 189 -                             _ => match val.borrow() {
[INFO] [stderr] 189 +                             _ => match val {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:1: 599:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs" }) }
[INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/main.rs:194:42
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         None => match val.borrow() {
[INFO] [stderr]     |                                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Option<String>` does not implement `Borrow`, so calling `borrow` on `&Option<String>` copies the reference, which does not do anything and can be removed
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 194 -                         None => match val.borrow() {
[INFO] [stderr] 194 +                         None => match val {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/main.rs:208:52
[INFO] [stderr]     |
[INFO] [stderr] 208 |                           .map_or("", |m| m.as_str())
[INFO] [stderr]     |  ____________________________________________________^
[INFO] [stderr] 209 | |                         .clone()
[INFO] [stderr]     | |________________________________^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `envsub` (bin "envsub" test) generated 5 warnings (run `cargo fix --bin "envsub" -p envsub --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/envsub-ea9be631ebb16104)
[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" "a11d7c675cd67c54ac07740e29217acb803bae5014eb9c2d15024e154cf98b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11d7c675cd67c54ac07740e29217acb803bae5014eb9c2d15024e154cf98b44", kill_on_drop: false }`
[INFO] [stdout] a11d7c675cd67c54ac07740e29217acb803bae5014eb9c2d15024e154cf98b44
