[INFO] cloning repository https://github.com/learnrust/rusty-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learnrust/rusty-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnrust%2Frusty-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnrust%2Frusty-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] feb9d35d1d446e27ade3a9ddd2e684cf9915fbd0
[INFO] testing learnrust/rusty-tools against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnrust%2Frusty-tools" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/learnrust/rusty-tools
[INFO] finished tweaking git repo https://github.com/learnrust/rusty-tools
[INFO] tweaked toml for git repo https://github.com/learnrust/rusty-tools written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/learnrust/rusty-tools on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/learnrust/rusty-tools 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94c72292b8258890c494c2bf54323f8a8fb39f2d732c330226177576f297fa17
[INFO] running `Command { std: "docker" "start" "-a" "94c72292b8258890c494c2bf54323f8a8fb39f2d732c330226177576f297fa17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c72292b8258890c494c2bf54323f8a8fb39f2d732c330226177576f297fa17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c72292b8258890c494c2bf54323f8a8fb39f2d732c330226177576f297fa17", kill_on_drop: false }`
[INFO] [stdout] 94c72292b8258890c494c2bf54323f8a8fb39f2d732c330226177576f297fa17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b2836cf3c22843bfc6cbb5a3572744c01a4ac8e19300f7ce28f89a2c2ff6503
[INFO] running `Command { std: "docker" "start" "-a" "7b2836cf3c22843bfc6cbb5a3572744c01a4ac8e19300f7ce28f89a2c2ff6503", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tracing-core v0.1.28
[INFO] [stderr]    Compiling untrusted v0.7.1
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[INFO] [stderr]    Compiling spin v0.5.2
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[INFO] [stderr]    Compiling httparse v1.7.1
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[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
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[INFO] [stderr]    Compiling time v0.3.11
[INFO] [stderr]    Compiling bytes-utils v0.1.2
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[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling parking_lot v0.12.1
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[INFO] [stderr]    Compiling zeroize v1.5.6
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
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[INFO] [stderr]    Compiling hex v0.4.3
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[INFO] [stderr]    Compiling form_urlencoded v1.0.1
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.1.3
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[INFO] [stderr]    Compiling aws-smithy-types v0.45.0
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[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling ct-logs v0.8.0
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling pin-project v1.0.11
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tokio-stream v0.1.9
[INFO] [stderr]    Compiling aws-smithy-async v0.45.0
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling hyper v0.14.20
[INFO] [stderr]    Compiling aws-smithy-http v0.45.0
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling aws-smithy-http-tower v0.45.0
[INFO] [stderr]    Compiling aws-sigv4 v0.15.0
[INFO] [stderr]    Compiling aws-smithy-client v0.45.0
[INFO] [stderr]    Compiling aws-sig-auth v0.15.0
[INFO] [stderr]    Compiling aws-endpoint v0.15.0
[INFO] [stderr]    Compiling aws-http v0.15.0
[INFO] [stderr]    Compiling aws-sdk-sts v0.15.0
[INFO] [stderr]    Compiling aws-sdk-sso v0.15.0
[INFO] [stderr]    Compiling aws-sdk-ssm v0.15.0
[INFO] [stderr]    Compiling aws-config v0.15.0
[INFO] [stderr]    Compiling ami-helper v0.1.0 (/opt/rustwide/workdir/ami-helper)
[INFO] [stdout] warning: struct `AmiDetailsWithFilterIteratorRef` is never constructed
[INFO] [stdout]    --> ami-helper/src/main.rs:747:8
[INFO] [stdout]     |
[INFO] [stdout] 747 | struct AmiDetailsWithFilterIteratorRef<'d> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> ami-helper/src/main.rs:793:35
[INFO] [stdout]     |
[INFO] [stdout] 793 |                 for parameters in chunk.parameters {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 793 -                 for parameters in chunk.parameters {
[INFO] [stdout] 793 +                 while let Some(parameters) = chunk.parameters {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 793 -                 for parameters in chunk.parameters {
[INFO] [stdout] 793 +                 if let Some(parameters) = chunk.parameters {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "7b2836cf3c22843bfc6cbb5a3572744c01a4ac8e19300f7ce28f89a2c2ff6503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2836cf3c22843bfc6cbb5a3572744c01a4ac8e19300f7ce28f89a2c2ff6503", kill_on_drop: false }`
[INFO] [stdout] 7b2836cf3c22843bfc6cbb5a3572744c01a4ac8e19300f7ce28f89a2c2ff6503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96f98e685f80e093b4260ccdd139832e9fabcfe477949361cee0c147186d4842
[INFO] running `Command { std: "docker" "start" "-a" "96f98e685f80e093b4260ccdd139832e9fabcfe477949361cee0c147186d4842", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling ami-helper v0.1.0 (/opt/rustwide/workdir/ami-helper)
[INFO] [stdout] warning: struct `AmiDetailsWithFilterIteratorRef` is never constructed
[INFO] [stdout]    --> ami-helper/src/main.rs:747:8
[INFO] [stdout]     |
[INFO] [stdout] 747 | struct AmiDetailsWithFilterIteratorRef<'d> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> ami-helper/src/main.rs:793:35
[INFO] [stdout]     |
[INFO] [stdout] 793 |                 for parameters in chunk.parameters {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 793 -                 for parameters in chunk.parameters {
[INFO] [stdout] 793 +                 while let Some(parameters) = chunk.parameters {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 793 -                 for parameters in chunk.parameters {
[INFO] [stdout] 793 +                 if let Some(parameters) = chunk.parameters {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "96f98e685f80e093b4260ccdd139832e9fabcfe477949361cee0c147186d4842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f98e685f80e093b4260ccdd139832e9fabcfe477949361cee0c147186d4842", kill_on_drop: false }`
[INFO] [stdout] 96f98e685f80e093b4260ccdd139832e9fabcfe477949361cee0c147186d4842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9301627c492b6531b5db9f42d14f2f51f9dbdbc9374a34ac1398d4ae4c5c137c
[INFO] running `Command { std: "docker" "start" "-a" "9301627c492b6531b5db9f42d14f2f51f9dbdbc9374a34ac1398d4ae4c5c137c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: struct `AmiDetailsWithFilterIteratorRef` is never constructed
[INFO] [stderr]    --> ami-helper/src/main.rs:747:8
[INFO] [stderr]     |
[INFO] [stderr] 747 | struct AmiDetailsWithFilterIteratorRef<'d> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> ami-helper/src/main.rs:793:35
[INFO] [stderr]     |
[INFO] [stderr] 793 |                 for parameters in chunk.parameters {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 793 -                 for parameters in chunk.parameters {
[INFO] [stderr] 793 +                 while let Some(parameters) = chunk.parameters {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 793 -                 for parameters in chunk.parameters {
[INFO] [stderr] 793 +                 if let Some(parameters) = chunk.parameters {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `ami-helper` (bin "ami-helper" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ami_helper-d3e44638b10334f5)
[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" "9301627c492b6531b5db9f42d14f2f51f9dbdbc9374a34ac1398d4ae4c5c137c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9301627c492b6531b5db9f42d14f2f51f9dbdbc9374a34ac1398d4ae4c5c137c", kill_on_drop: false }`
[INFO] [stdout] 9301627c492b6531b5db9f42d14f2f51f9dbdbc9374a34ac1398d4ae4c5c137c