[INFO] fetching crate csv-guillotine 0.3.5...
[INFO] testing csv-guillotine-0.3.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate csv-guillotine 0.3.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate csv-guillotine 0.3.5 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate csv-guillotine 0.3.5
[INFO] finished tweaking crates.io crate csv-guillotine 0.3.5
[INFO] tweaked toml for crates.io crate csv-guillotine 0.3.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6be79f5d19d523916fd48ea8f8cb95724694f2fcbdaec06f3ccb6ee026318a52
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6be79f5d19d523916fd48ea8f8cb95724694f2fcbdaec06f3ccb6ee026318a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6be79f5d19d523916fd48ea8f8cb95724694f2fcbdaec06f3ccb6ee026318a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be79f5d19d523916fd48ea8f8cb95724694f2fcbdaec06f3ccb6ee026318a52", kill_on_drop: false }`
[INFO] [stdout] 6be79f5d19d523916fd48ea8f8cb95724694f2fcbdaec06f3ccb6ee026318a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e37ccb15cfc403bde637d98ba2b25c7a44233a4ef7dbf89bb61ada9618ddb69
[INFO] running `Command { std: "docker" "start" "-a" "2e37ccb15cfc403bde637d98ba2b25c7a44233a4ef7dbf89bb61ada9618ddb69", kill_on_drop: false }`
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling csv-guillotine v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/csv-guillotine.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let stdin: Box<Read> = match args_input {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/csv-guillotine.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut stdout: Box<Write> = match args_output {
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "2e37ccb15cfc403bde637d98ba2b25c7a44233a4ef7dbf89bb61ada9618ddb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e37ccb15cfc403bde637d98ba2b25c7a44233a4ef7dbf89bb61ada9618ddb69", kill_on_drop: false }`
[INFO] [stdout] 2e37ccb15cfc403bde637d98ba2b25c7a44233a4ef7dbf89bb61ada9618ddb69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 222052ce1a529400913bc6531c638f4145bdea0f64a53b697886d65bbad07693
[INFO] running `Command { std: "docker" "start" "-a" "222052ce1a529400913bc6531c638f4145bdea0f64a53b697886d65bbad07693", kill_on_drop: false }`
[INFO] [stderr]    Compiling csv-guillotine v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/csv-guillotine.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let stdin: Box<Read> = match args_input {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/csv-guillotine.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut stdout: Box<Write> = match args_output {
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "222052ce1a529400913bc6531c638f4145bdea0f64a53b697886d65bbad07693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222052ce1a529400913bc6531c638f4145bdea0f64a53b697886d65bbad07693", kill_on_drop: false }`
[INFO] [stdout] 222052ce1a529400913bc6531c638f4145bdea0f64a53b697886d65bbad07693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 525ff3a605d7a5dd7c4c6bed1264fb0b02622fe8c78fd47849fc7fabd1d8c80f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "525ff3a605d7a5dd7c4c6bed1264fb0b02622fe8c78fd47849fc7fabd1d8c80f", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/csv-guillotine.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let stdin: Box<Read> = match args_input {
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/csv-guillotine.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let mut stdout: Box<Write> = match args_output {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/csv_guillotine-ed99e429feb68900
[INFO] [stdout] running 11 tests
[INFO] [stdout] test fake_reader_works ... ok
[INFO] [stdout] test test_fill ... ok
[INFO] [stdout] test test_get_line ... ok
[INFO] [stdout] test test_read_from_buffer_empty ... ok
[INFO] [stdout] test test_read_from_buffer_partial_line ... ok
[INFO] [stdout] test test_prepare_fill_needs_multiple_reads ... ok
[INFO] [stdout] test test_has_nl ... ok
[INFO] [stdout] test test_count_seperators ... ok
[INFO] [stdout] test it_only_considers_upto_considers ... ok
[INFO] [stdout] test it_skips_header ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/csv_guillotine-bdd67b2419c82a84
[INFO] [stdout] test test_read_from_buffer_full_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests csv-guillotine
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "525ff3a605d7a5dd7c4c6bed1264fb0b02622fe8c78fd47849fc7fabd1d8c80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525ff3a605d7a5dd7c4c6bed1264fb0b02622fe8c78fd47849fc7fabd1d8c80f", kill_on_drop: false }`
[INFO] [stdout] 525ff3a605d7a5dd7c4c6bed1264fb0b02622fe8c78fd47849fc7fabd1d8c80f